./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 389f662f7096bd36438270dc54f296be4073de8eeb864b893c17044d6fb4cc06
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 14:53:35,492 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 14:53:35,547 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 14:53:35,551 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 14:53:35,551 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 14:53:35,573 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 14:53:35,574 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 14:53:35,574 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 14:53:35,574 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 14:53:35,574 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 14:53:35,575 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 14:53:35,575 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 14:53:35,575 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 14:53:35,575 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 14:53:35,575 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 14:53:35,575 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 14:53:35,576 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 14:53:35,576 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 14:53:35,576 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 14:53:35,576 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 14:53:35,576 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 14:53:35,576 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 14:53:35,576 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 14:53:35,576 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 14:53:35,576 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 14:53:35,577 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 14:53:35,577 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 14:53:35,577 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:53:35,577 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 14:53:35,577 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:53:35,577 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 14:53:35,577 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 14:53:35,577 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:53:35,577 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 14:53:35,578 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:53:35,578 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 14:53:35,578 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 14:53:35,578 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 14:53:35,578 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 14:53:35,578 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 14:53:35,578 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 14:53:35,578 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 14:53:35,578 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 14:53:35,579 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 14:53:35,579 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 14:53:35,579 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1
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 -> Automizer
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 -> 389f662f7096bd36438270dc54f296be4073de8eeb864b893c17044d6fb4cc06
[2024-12-02 14:53:35,810 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 14:53:35,818 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 14:53:35,821 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 14:53:35,822 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 14:53:35,822 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 14:53:35,823 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i
[2024-12-02 14:53:38,545 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/data/b5e3ee171/5aa6f7f9219b47faba343a09c8452297/FLAGa08147053
[2024-12-02 14:53:39,002 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 14:53:39,003 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i
[2024-12-02 14:53:39,032 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/data/b5e3ee171/5aa6f7f9219b47faba343a09c8452297/FLAGa08147053
[2024-12-02 14:53:39,139 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/data/b5e3ee171/5aa6f7f9219b47faba343a09c8452297
[2024-12-02 14:53:39,141 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 14:53:39,142 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 14:53:39,144 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 14:53:39,144 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 14:53:39,148 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 14:53:39,149 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:39" (1/1) ...
[2024-12-02 14:53:39,150 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d188cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:39, skipping insertion in model container
[2024-12-02 14:53:39,150 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:39" (1/1) ...
[2024-12-02 14:53:39,233 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 14:53:39,979 WARN  L250   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_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520]
[2024-12-02 14:53:40,258 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:53:40,275 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 14:53:40,363 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"); [5277]
[2024-12-02 14:53:40,364 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)); [5284]
[2024-12-02 14:53:40,365 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 %2, %0; setc %1": "+m" (*addr),
                       "=qm" (c): "Ir" (nr): "memory"); [5292-5293]
[2024-12-02 14:53:40,365 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 %2, %0; setc %1": "+m" (*addr),
                       "=qm" (c): "Ir" (nr): "memory"); [5301-5302]
[2024-12-02 14:53:40,369 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; incl %0": "+m" (v->counter)); [5349]
[2024-12-02 14:53:40,369 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; decl %0; sete %1": "+m" (v->counter),
                       "=qm" (c): : "memory"); [5357-5358]
[2024-12-02 14:53:40,387 WARN  L250   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_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520]
[2024-12-02 14:53:40,403 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5939]
[2024-12-02 14:53:40,403 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5942]
[2024-12-02 14:53:40,404 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5945]
[2024-12-02 14:53:40,404 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5948]
[2024-12-02 14:53:40,404 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5951]
[2024-12-02 14:53:40,405 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [5967-5968]
[2024-12-02 14:53:40,406 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [5971-5972]
[2024-12-02 14:53:40,406 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [5975-5976]
[2024-12-02 14:53:40,406 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [5979-5980]
[2024-12-02 14:53:40,406 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [5983-5984]
[2024-12-02 14:53:40,407 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6007-6008]
[2024-12-02 14:53:40,408 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6011-6012]
[2024-12-02 14:53:40,408 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6015-6016]
[2024-12-02 14:53:40,408 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6019-6020]
[2024-12-02 14:53:40,408 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6023-6024]
[2024-12-02 14:53:40,415 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6152]
[2024-12-02 14:53:40,415 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6155]
[2024-12-02 14:53:40,416 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6158]
[2024-12-02 14:53:40,416 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6161]
[2024-12-02 14:53:40,416 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6164]
[2024-12-02 14:53:40,417 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)argp),
                       "i" (4UL)); [6176-6177]
[2024-12-02 14:53:40,418 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [6194-6195]
[2024-12-02 14:53:40,418 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [6198-6199]
[2024-12-02 14:53:40,418 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [6202-6203]
[2024-12-02 14:53:40,419 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [6206-6207]
[2024-12-02 14:53:40,419 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [6210-6211]
[2024-12-02 14:53:40,419 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (p),
                       "i" (4UL)); [6223-6224]
[2024-12-02 14:53:40,420 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6237-6238]
[2024-12-02 14:53:40,420 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6241-6242]
[2024-12-02 14:53:40,420 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6245-6246]
[2024-12-02 14:53:40,420 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6249-6250]
[2024-12-02 14:53:40,421 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6253-6254]
[2024-12-02 14:53:40,421 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" (p),
                       "i" (4UL)); [6266-6267]
[2024-12-02 14:53:40,423 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2),
                       "c" ((int *)argp): "ebx"); [6304-6305]
[2024-12-02 14:53:40,423 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2),
                       "c" ((int *)argp): "ebx"); [6308-6309]
[2024-12-02 14:53:40,424 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2),
                       "c" ((int *)argp): "ebx"); [6312-6313]
[2024-12-02 14:53:40,424 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2),
                       "c" ((int *)argp): "ebx"); [6316-6317]
[2024-12-02 14:53:40,424 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2),
                       "c" ((int *)argp): "ebx"); [6320-6321]
[2024-12-02 14:53:40,425 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___2), "=r" (__val_gu___2): "0" ((int *)argp),
                       "i" (4UL)); [6333-6334]
[2024-12-02 14:53:40,507 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:53:40,584 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 14:53:40,585 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40 WrapperNode
[2024-12-02 14:53:40,585 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 14:53:40,586 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 14:53:40,587 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 14:53:40,587 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 14:53:40,595 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:40,631 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:40,721 INFO  L138                Inliner]: procedures = 176, calls = 475, calls flagged for inlining = 92, calls inlined = 85, statements flattened = 1953
[2024-12-02 14:53:40,721 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 14:53:40,722 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 14:53:40,722 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 14:53:40,722 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 14:53:40,734 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:40,734 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:40,751 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:41,040 INFO  L175           MemorySlicer]: Split 190 memory accesses to 9 slices as follows [2, 120, 7, 1, 24, 20, 2, 1, 13]. 63 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 10, 0, 1, 0, 15, 2, 1, 0]. The 86 writes are split as follows [0, 41, 6, 0, 24, 2, 0, 0, 13].
[2024-12-02 14:53:41,041 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:41,041 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:41,103 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:41,106 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:41,119 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:41,132 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:41,142 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:41,184 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 14:53:41,185 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 14:53:41,186 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 14:53:41,186 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 14:53:41,187 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (1/1) ...
[2024-12-02 14:53:41,193 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:53:41,207 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:53:41,222 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 14:53:41,225 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 14:53:41,254 INFO  L130     BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init
[2024-12-02 14:53:41,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init
[2024-12-02 14:53:41,254 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15
[2024-12-02 14:53:41,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15
[2024-12-02 14:53:41,254 INFO  L130     BoogieDeclarations]: Found specification of procedure ppp_sync_poll
[2024-12-02 14:53:41,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure ppp_sync_poll
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#6
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#7
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#8
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_reserve
[2024-12-02 14:53:41,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_reserve
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2
[2024-12-02 14:53:41,255 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8
[2024-12-02 14:53:41,256 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2024-12-02 14:53:41,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#4
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#5
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#6
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#7
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#8
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_push
[2024-12-02 14:53:41,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_push
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure ppp_output_wakeup
[2024-12-02 14:53:41,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1
[2024-12-02 14:53:41,257 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2
[2024-12-02 14:53:41,258 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3
[2024-12-02 14:53:41,258 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4
[2024-12-02 14:53:41,258 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5
[2024-12-02 14:53:41,258 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6
[2024-12-02 14:53:41,258 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7
[2024-12-02 14:53:41,258 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8
[2024-12-02 14:53:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0
[2024-12-02 14:53:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1
[2024-12-02 14:53:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2
[2024-12-02 14:53:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3
[2024-12-02 14:53:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4
[2024-12-02 14:53:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5
[2024-12-02 14:53:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6
[2024-12-02 14:53:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7
[2024-12-02 14:53:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8
[2024-12-02 14:53:41,258 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free
[2024-12-02 14:53:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free
[2024-12-02 14:53:41,259 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2024-12-02 14:53:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2024-12-02 14:53:41,259 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_trylock_bh
[2024-12-02 14:53:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_trylock_bh
[2024-12-02 14:53:41,259 INFO  L130     BoogieDeclarations]: Found specification of procedure constant_test_bit
[2024-12-02 14:53:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure constant_test_bit
[2024-12-02 14:53:41,259 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_trim
[2024-12-02 14:53:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_trim
[2024-12-02 14:53:41,259 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_alloc
[2024-12-02 14:53:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc
[2024-12-02 14:53:41,259 INFO  L130     BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl
[2024-12-02 14:53:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl
[2024-12-02 14:53:41,259 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2024-12-02 14:53:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2024-12-02 14:53:41,259 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#3
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#4
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#5
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#6
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#7
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#8
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2024-12-02 14:53:41,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_pull
[2024-12-02 14:53:41,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_pull
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure ppp_sync_close
[2024-12-02 14:53:41,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure ppp_sync_close
[2024-12-02 14:53:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2024-12-02 14:53:41,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure clear_bit
[2024-12-02 14:53:41,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure clear_bit
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ppp_print_buffer
[2024-12-02 14:53:41,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure ppp_print_buffer
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 14:53:41,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure test_and_set_bit
[2024-12-02 14:53:41,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure test_and_set_bit
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure spinlock_check
[2024-12-02 14:53:41,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure spinlock_check
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2024-12-02 14:53:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#5
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#6
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#7
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#8
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure _copy_to_user
[2024-12-02 14:53:41,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure _copy_to_user
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure tasklet_schedule
[2024-12-02 14:53:41,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure tasklet_schedule
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-12-02 14:53:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#8
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_remove
[2024-12-02 14:53:41,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_remove
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_dec_and_test
[2024-12-02 14:53:41,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure sp_put
[2024-12-02 14:53:41,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure sp_put
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_queue_tail
[2024-12-02 14:53:41,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_queue_tail
[2024-12-02 14:53:41,263 INFO  L130     BoogieDeclarations]: Found specification of procedure ppp_sync_hangup
[2024-12-02 14:53:41,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup
[2024-12-02 14:53:41,264 INFO  L130     BoogieDeclarations]: Found specification of procedure might_fault
[2024-12-02 14:53:41,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure might_fault
[2024-12-02 14:53:41,264 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2024-12-02 14:53:41,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2024-12-02 14:53:41,264 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_put
[2024-12-02 14:53:41,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_put
[2024-12-02 14:53:41,264 INFO  L130     BoogieDeclarations]: Found specification of procedure sp_get
[2024-12-02 14:53:41,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure sp_get
[2024-12-02 14:53:41,264 INFO  L130     BoogieDeclarations]: Found specification of procedure set_bit
[2024-12-02 14:53:41,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_bit
[2024-12-02 14:53:41,264 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 14:53:41,264 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 14:53:41,264 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-12-02 14:53:41,264 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-12-02 14:53:41,264 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#6
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#7
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#8
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_bh
[2024-12-02 14:53:41,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_bh
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int#0
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int#1
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int#2
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int#3
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int#4
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int#5
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int#6
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int#7
[2024-12-02 14:53:41,265 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int#8
[2024-12-02 14:53:41,266 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2024-12-02 14:53:41,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2024-12-02 14:53:41,266 INFO  L130     BoogieDeclarations]: Found specification of procedure _copy_from_user
[2024-12-02 14:53:41,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure _copy_from_user
[2024-12-02 14:53:41,266 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 14:53:41,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 14:53:41,266 INFO  L130     BoogieDeclarations]: Found specification of procedure ppp_sync_push
[2024-12-02 14:53:41,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure ppp_sync_push
[2024-12-02 14:53:41,736 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 14:53:41,738 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 14:53:41,796 INFO  L727   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2024-12-02 14:53:47,956 INFO  L?                        ?]: Removed 1114 outVars from TransFormulas that were not future-live.
[2024-12-02 14:53:47,957 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 14:53:47,982 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 14:53:47,983 INFO  L312             CfgBuilder]: Removed 6 assume(true) statements.
[2024-12-02 14:53:47,983 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:47 BoogieIcfgContainer
[2024-12-02 14:53:47,983 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 14:53:47,985 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 14:53:47,986 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 14:53:47,991 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 14:53:47,991 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:53:39" (1/3) ...
[2024-12-02 14:53:47,992 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6bb4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:47, skipping insertion in model container
[2024-12-02 14:53:47,992 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:40" (2/3) ...
[2024-12-02 14:53:47,992 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6bb4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:47, skipping insertion in model container
[2024-12-02 14:53:47,992 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:47" (3/3) ...
[2024-12-02 14:53:47,994 INFO  L128   eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i
[2024-12-02 14:53:48,006 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 14:53:48,008 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i that has 50 procedures, 734 locations, 1 initial locations, 21 loop locations, and 1 error locations.
[2024-12-02 14:53:48,076 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 14:53:48,087 INFO  L333      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, mAutomataTypeConcurrency=PETRI_NET, 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;@6c87d75d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 14:53:48,088 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 14:53:48,094 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 693 states, 527 states have (on average 1.398481973434535) internal successors, (737), 543 states have internal predecessors, (737), 124 states have call successors, (124), 41 states have call predecessors, (124), 40 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120)
[2024-12-02 14:53:48,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-12-02 14:53:48,105 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:53:48,106 INFO  L218           NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:53:48,106 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:53:48,111 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:53:48,111 INFO  L85        PathProgramCache]: Analyzing trace with hash 529108579, now seen corresponding path program 1 times
[2024-12-02 14:53:48,118 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:53:48,118 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169061209]
[2024-12-02 14:53:48,118 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:53:48,119 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:53:48,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:53:48,805 INFO  L134       CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-12-02 14:53:48,805 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:53:48,805 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169061209]
[2024-12-02 14:53:48,806 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169061209] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:53:48,806 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:53:48,807 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:53:48,808 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966068778]
[2024-12-02 14:53:48,809 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:53:48,813 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:53:48,813 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:53:48,829 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:53:48,829 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:53:48,833 INFO  L87              Difference]: Start difference. First operand  has 693 states, 527 states have (on average 1.398481973434535) internal successors, (737), 543 states have internal predecessors, (737), 124 states have call successors, (124), 41 states have call predecessors, (124), 40 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) Second operand  has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 14:53:52,861 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:53:53,063 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:53:53,063 INFO  L93              Difference]: Finished difference Result 2020 states and 2937 transitions.
[2024-12-02 14:53:53,064 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:53:53,066 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 78
[2024-12-02 14:53:53,066 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:53:53,086 INFO  L225             Difference]: With dead ends: 2020
[2024-12-02 14:53:53,087 INFO  L226             Difference]: Without dead ends: 1316
[2024-12-02 14:53:53,094 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:53:53,097 INFO  L435           NwaCegarLoop]: 977 mSDtfsCounter, 901 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 1926 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:53:53,098 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 1926 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time]
[2024-12-02 14:53:53,116 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1316 states.
[2024-12-02 14:53:53,227 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1316.
[2024-12-02 14:53:53,232 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1316 states, 1012 states have (on average 1.3794466403162056) internal successors, (1396), 1032 states have internal predecessors, (1396), 225 states have call successors, (225), 79 states have call predecessors, (225), 78 states have return successors, (224), 220 states have call predecessors, (224), 224 states have call successors, (224)
[2024-12-02 14:53:53,249 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1845 transitions.
[2024-12-02 14:53:53,253 INFO  L78                 Accepts]: Start accepts. Automaton has 1316 states and 1845 transitions. Word has length 78
[2024-12-02 14:53:53,253 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:53:53,254 INFO  L471      AbstractCegarLoop]: Abstraction has 1316 states and 1845 transitions.
[2024-12-02 14:53:53,254 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 14:53:53,254 INFO  L276                IsEmpty]: Start isEmpty. Operand 1316 states and 1845 transitions.
[2024-12-02 14:53:53,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-12-02 14:53:53,259 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:53:53,259 INFO  L218           NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:53:53,260 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 14:53:53,260 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:53:53,261 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:53:53,261 INFO  L85        PathProgramCache]: Analyzing trace with hash 1312216485, now seen corresponding path program 1 times
[2024-12-02 14:53:53,261 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:53:53,261 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022963070]
[2024-12-02 14:53:53,261 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:53:53,261 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:53:53,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:53:53,869 INFO  L134       CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-12-02 14:53:53,869 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:53:53,869 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022963070]
[2024-12-02 14:53:53,870 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022963070] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:53:53,870 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:53:53,870 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:53:53,870 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473333942]
[2024-12-02 14:53:53,870 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:53:53,871 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:53:53,872 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:53:53,872 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:53:53,872 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:53:53,872 INFO  L87              Difference]: Start difference. First operand 1316 states and 1845 transitions. Second operand  has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 14:53:54,078 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:53:54,078 INFO  L93              Difference]: Finished difference Result 3897 states and 5511 transitions.
[2024-12-02 14:53:54,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:53:54,079 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 82
[2024-12-02 14:53:54,079 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:53:54,095 INFO  L225             Difference]: With dead ends: 3897
[2024-12-02 14:53:54,095 INFO  L226             Difference]: Without dead ends: 2597
[2024-12-02 14:53:54,098 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:53:54,099 INFO  L435           NwaCegarLoop]: 967 mSDtfsCounter, 933 mSDsluCounter, 2852 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 3819 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:53:54,099 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 3819 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:53:54,103 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2597 states.
[2024-12-02 14:53:54,197 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2597 to 2591.
[2024-12-02 14:53:54,201 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2591 states, 1996 states have (on average 1.3807615230460921) internal successors, (2756), 2036 states have internal predecessors, (2756), 438 states have call successors, (438), 157 states have call predecessors, (438), 156 states have return successors, (475), 429 states have call predecessors, (475), 437 states have call successors, (475)
[2024-12-02 14:53:54,213 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3669 transitions.
[2024-12-02 14:53:54,215 INFO  L78                 Accepts]: Start accepts. Automaton has 2591 states and 3669 transitions. Word has length 82
[2024-12-02 14:53:54,216 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:53:54,216 INFO  L471      AbstractCegarLoop]: Abstraction has 2591 states and 3669 transitions.
[2024-12-02 14:53:54,216 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 14:53:54,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 2591 states and 3669 transitions.
[2024-12-02 14:53:54,224 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2024-12-02 14:53:54,224 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:53:54,225 INFO  L218           NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:53:54,225 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 14:53:54,225 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:53:54,225 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:53:54,226 INFO  L85        PathProgramCache]: Analyzing trace with hash -781551677, now seen corresponding path program 1 times
[2024-12-02 14:53:54,226 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:53:54,226 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17464772]
[2024-12-02 14:53:54,226 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:53:54,226 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:53:54,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:53:54,572 INFO  L134       CoverageAnalysis]: Checked inductivity of 182 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-12-02 14:53:54,572 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:53:54,572 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17464772]
[2024-12-02 14:53:54,572 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17464772] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:53:54,572 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:53:54,573 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:53:54,573 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018381603]
[2024-12-02 14:53:54,573 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:53:54,573 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:53:54,573 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:53:54,574 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:53:54,574 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:53:54,574 INFO  L87              Difference]: Start difference. First operand 2591 states and 3669 transitions. Second operand  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)
[2024-12-02 14:53:54,825 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:53:54,825 INFO  L93              Difference]: Finished difference Result 6633 states and 9356 transitions.
[2024-12-02 14:53:54,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:53:54,826 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126
[2024-12-02 14:53:54,826 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:53:54,852 INFO  L225             Difference]: With dead ends: 6633
[2024-12-02 14:53:54,852 INFO  L226             Difference]: Without dead ends: 4066
[2024-12-02 14:53:54,862 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:53:54,863 INFO  L435           NwaCegarLoop]: 965 mSDtfsCounter, 558 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:53:54,863 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1848 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:53:54,869 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4066 states.
[2024-12-02 14:53:55,042 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4066 to 4054.
[2024-12-02 14:53:55,051 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4054 states, 3146 states have (on average 1.3823903369357915) internal successors, (4349), 3193 states have internal predecessors, (4349), 651 states have call successors, (651), 257 states have call predecessors, (651), 256 states have return successors, (706), 639 states have call predecessors, (706), 650 states have call successors, (706)
[2024-12-02 14:53:55,080 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4054 states to 4054 states and 5706 transitions.
[2024-12-02 14:53:55,083 INFO  L78                 Accepts]: Start accepts. Automaton has 4054 states and 5706 transitions. Word has length 126
[2024-12-02 14:53:55,084 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:53:55,084 INFO  L471      AbstractCegarLoop]: Abstraction has 4054 states and 5706 transitions.
[2024-12-02 14:53:55,084 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)
[2024-12-02 14:53:55,084 INFO  L276                IsEmpty]: Start isEmpty. Operand 4054 states and 5706 transitions.
[2024-12-02 14:53:55,095 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2024-12-02 14:53:55,095 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:53:55,095 INFO  L218           NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:53:55,095 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 14:53:55,096 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:53:55,096 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:53:55,096 INFO  L85        PathProgramCache]: Analyzing trace with hash -1537319813, now seen corresponding path program 1 times
[2024-12-02 14:53:55,096 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:53:55,096 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882315877]
[2024-12-02 14:53:55,097 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:53:55,097 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:53:55,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:53:55,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-12-02 14:53:55,475 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:53:55,475 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882315877]
[2024-12-02 14:53:55,475 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882315877] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:53:55,475 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:53:55,475 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:53:55,475 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538486710]
[2024-12-02 14:53:55,475 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:53:55,476 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:53:55,476 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:53:55,476 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:53:55,476 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:53:55,476 INFO  L87              Difference]: Start difference. First operand 4054 states and 5706 transitions. Second operand  has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-12-02 14:53:55,792 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:53:55,793 INFO  L93              Difference]: Finished difference Result 9752 states and 13622 transitions.
[2024-12-02 14:53:55,793 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:53:55,793 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147
[2024-12-02 14:53:55,794 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:53:55,839 INFO  L225             Difference]: With dead ends: 9752
[2024-12-02 14:53:55,839 INFO  L226             Difference]: Without dead ends: 5722
[2024-12-02 14:53:55,857 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:53:55,857 INFO  L435           NwaCegarLoop]: 1319 mSDtfsCounter, 567 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 2232 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:53:55,858 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 2232 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:53:55,866 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5722 states.
[2024-12-02 14:53:56,177 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5722 to 5714.
[2024-12-02 14:53:56,190 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5714 states, 4410 states have (on average 1.3705215419501133) internal successors, (6044), 4495 states have internal predecessors, (6044), 906 states have call successors, (906), 398 states have call predecessors, (906), 397 states have return successors, (985), 884 states have call predecessors, (985), 905 states have call successors, (985)
[2024-12-02 14:53:56,225 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 7935 transitions.
[2024-12-02 14:53:56,231 INFO  L78                 Accepts]: Start accepts. Automaton has 5714 states and 7935 transitions. Word has length 147
[2024-12-02 14:53:56,232 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:53:56,232 INFO  L471      AbstractCegarLoop]: Abstraction has 5714 states and 7935 transitions.
[2024-12-02 14:53:56,232 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-12-02 14:53:56,232 INFO  L276                IsEmpty]: Start isEmpty. Operand 5714 states and 7935 transitions.
[2024-12-02 14:53:56,244 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2024-12-02 14:53:56,244 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:53:56,245 INFO  L218           NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:53:56,245 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 14:53:56,245 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:53:56,245 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:53:56,245 INFO  L85        PathProgramCache]: Analyzing trace with hash 61977582, now seen corresponding path program 1 times
[2024-12-02 14:53:56,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:53:56,246 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288801789]
[2024-12-02 14:53:56,246 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:53:56,246 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:53:56,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:53:56,563 INFO  L134       CoverageAnalysis]: Checked inductivity of 273 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-12-02 14:53:56,564 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:53:56,564 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288801789]
[2024-12-02 14:53:56,564 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288801789] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:53:56,564 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:53:56,564 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:53:56,564 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944235222]
[2024-12-02 14:53:56,564 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:53:56,565 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:53:56,565 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:53:56,565 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:53:56,565 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:53:56,566 INFO  L87              Difference]: Start difference. First operand 5714 states and 7935 transitions. Second operand  has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17)
[2024-12-02 14:54:00,575 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:00,935 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:54:00,935 INFO  L93              Difference]: Finished difference Result 14146 states and 19650 transitions.
[2024-12-02 14:54:00,936 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:54:00,936 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 149
[2024-12-02 14:54:00,937 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:54:00,989 INFO  L225             Difference]: With dead ends: 14146
[2024-12-02 14:54:00,989 INFO  L226             Difference]: Without dead ends: 8467
[2024-12-02 14:54:01,008 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:54:01,009 INFO  L435           NwaCegarLoop]: 1010 mSDtfsCounter, 753 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:54:01,010 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 1865 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time]
[2024-12-02 14:54:01,020 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8467 states.
[2024-12-02 14:54:01,417 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8467 to 8449.
[2024-12-02 14:54:01,432 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8449 states, 6600 states have (on average 1.3704545454545454) internal successors, (9045), 6708 states have internal predecessors, (9045), 1241 states have call successors, (1241), 608 states have call predecessors, (1241), 607 states have return successors, (1352), 1216 states have call predecessors, (1352), 1240 states have call successors, (1352)
[2024-12-02 14:54:01,476 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8449 states to 8449 states and 11638 transitions.
[2024-12-02 14:54:01,484 INFO  L78                 Accepts]: Start accepts. Automaton has 8449 states and 11638 transitions. Word has length 149
[2024-12-02 14:54:01,485 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:54:01,485 INFO  L471      AbstractCegarLoop]: Abstraction has 8449 states and 11638 transitions.
[2024-12-02 14:54:01,485 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17)
[2024-12-02 14:54:01,486 INFO  L276                IsEmpty]: Start isEmpty. Operand 8449 states and 11638 transitions.
[2024-12-02 14:54:01,499 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2024-12-02 14:54:01,499 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:54:01,500 INFO  L218           NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:54:01,500 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 14:54:01,500 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:54:01,500 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:54:01,500 INFO  L85        PathProgramCache]: Analyzing trace with hash -289798824, now seen corresponding path program 1 times
[2024-12-02 14:54:01,500 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:54:01,500 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347923450]
[2024-12-02 14:54:01,501 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:54:01,501 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:54:01,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:54:01,826 INFO  L134       CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked.
[2024-12-02 14:54:01,827 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:54:01,827 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347923450]
[2024-12-02 14:54:01,827 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347923450] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:54:01,827 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:54:01,827 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:54:01,827 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107163715]
[2024-12-02 14:54:01,827 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:54:01,828 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:54:01,828 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:54:01,828 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:54:01,828 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:54:01,829 INFO  L87              Difference]: Start difference. First operand 8449 states and 11638 transitions. Second operand  has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-12-02 14:54:02,125 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:54:02,126 INFO  L93              Difference]: Finished difference Result 12704 states and 17646 transitions.
[2024-12-02 14:54:02,126 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:54:02,126 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154
[2024-12-02 14:54:02,127 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:54:02,178 INFO  L225             Difference]: With dead ends: 12704
[2024-12-02 14:54:02,178 INFO  L226             Difference]: Without dead ends: 8469
[2024-12-02 14:54:02,194 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:54:02,195 INFO  L435           NwaCegarLoop]: 955 mSDtfsCounter, 3 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:54:02,195 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1903 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:54:02,206 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8469 states.
[2024-12-02 14:54:02,559 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8469 to 8469.
[2024-12-02 14:54:02,573 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8469 states, 6620 states have (on average 1.3693353474320242) internal successors, (9065), 6728 states have internal predecessors, (9065), 1241 states have call successors, (1241), 608 states have call predecessors, (1241), 607 states have return successors, (1352), 1216 states have call predecessors, (1352), 1240 states have call successors, (1352)
[2024-12-02 14:54:02,617 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8469 states to 8469 states and 11658 transitions.
[2024-12-02 14:54:02,625 INFO  L78                 Accepts]: Start accepts. Automaton has 8469 states and 11658 transitions. Word has length 154
[2024-12-02 14:54:02,626 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:54:02,626 INFO  L471      AbstractCegarLoop]: Abstraction has 8469 states and 11658 transitions.
[2024-12-02 14:54:02,627 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-12-02 14:54:02,627 INFO  L276                IsEmpty]: Start isEmpty. Operand 8469 states and 11658 transitions.
[2024-12-02 14:54:02,645 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2024-12-02 14:54:02,646 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:54:02,646 INFO  L218           NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:54:02,646 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 14:54:02,646 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:54:02,647 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:54:02,647 INFO  L85        PathProgramCache]: Analyzing trace with hash 1405412887, now seen corresponding path program 1 times
[2024-12-02 14:54:02,647 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:54:02,647 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878712532]
[2024-12-02 14:54:02,647 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:54:02,647 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:54:02,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:54:03,823 INFO  L134       CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked.
[2024-12-02 14:54:03,824 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:54:03,824 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878712532]
[2024-12-02 14:54:03,824 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878712532] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:54:03,824 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:54:03,824 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-12-02 14:54:03,824 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391065025]
[2024-12-02 14:54:03,824 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:54:03,824 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 14:54:03,825 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:54:03,825 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 14:54:03,825 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2024-12-02 14:54:03,825 INFO  L87              Difference]: Start difference. First operand 8469 states and 11658 transitions. Second operand  has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 5 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2024-12-02 14:54:07,840 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:11,844 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:15,851 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:19,858 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:23,132 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:54:23,132 INFO  L93              Difference]: Finished difference Result 18141 states and 25021 transitions.
[2024-12-02 14:54:23,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-12-02 14:54:23,133 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 5 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 156
[2024-12-02 14:54:23,133 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:54:23,179 INFO  L225             Difference]: With dead ends: 18141
[2024-12-02 14:54:23,179 INFO  L226             Difference]: Without dead ends: 9707
[2024-12-02 14:54:23,198 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132
[2024-12-02 14:54:23,199 INFO  L435           NwaCegarLoop]: 876 mSDtfsCounter, 1796 mSDsluCounter, 3383 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 451 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1920 SdHoareTripleChecker+Valid, 4259 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:54:23,199 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1920 Valid, 4259 Invalid, 2615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 2160 Invalid, 4 Unknown, 0 Unchecked, 18.8s Time]
[2024-12-02 14:54:23,210 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9707 states.
[2024-12-02 14:54:23,573 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9707 to 9301.
[2024-12-02 14:54:23,589 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9301 states, 7192 states have (on average 1.3569243604004448) internal successors, (9759), 7338 states have internal predecessors, (9759), 1387 states have call successors, (1387), 686 states have call predecessors, (1387), 721 states have return successors, (1560), 1368 states have call predecessors, (1560), 1386 states have call successors, (1560)
[2024-12-02 14:54:23,620 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9301 states to 9301 states and 12706 transitions.
[2024-12-02 14:54:23,630 INFO  L78                 Accepts]: Start accepts. Automaton has 9301 states and 12706 transitions. Word has length 156
[2024-12-02 14:54:23,630 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:54:23,631 INFO  L471      AbstractCegarLoop]: Abstraction has 9301 states and 12706 transitions.
[2024-12-02 14:54:23,631 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 5 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2024-12-02 14:54:23,631 INFO  L276                IsEmpty]: Start isEmpty. Operand 9301 states and 12706 transitions.
[2024-12-02 14:54:23,652 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2024-12-02 14:54:23,652 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:54:23,652 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:54:23,652 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 14:54:23,652 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:54:23,653 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:54:23,653 INFO  L85        PathProgramCache]: Analyzing trace with hash -2106423766, now seen corresponding path program 1 times
[2024-12-02 14:54:23,653 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:54:23,653 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374393330]
[2024-12-02 14:54:23,653 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:54:23,653 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:54:23,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:54:24,410 INFO  L134       CoverageAnalysis]: Checked inductivity of 333 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked.
[2024-12-02 14:54:24,410 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:54:24,411 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374393330]
[2024-12-02 14:54:24,411 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374393330] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:54:24,411 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:54:24,411 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:54:24,411 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058440651]
[2024-12-02 14:54:24,411 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:54:24,411 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:54:24,412 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:54:24,412 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:54:24,412 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:54:24,412 INFO  L87              Difference]: Start difference. First operand 9301 states and 12706 transitions. Second operand  has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21)
[2024-12-02 14:54:24,606 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:54:24,606 INFO  L93              Difference]: Finished difference Result 18633 states and 25554 transitions.
[2024-12-02 14:54:24,607 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:54:24,607 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 194
[2024-12-02 14:54:24,607 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:54:24,642 INFO  L225             Difference]: With dead ends: 18633
[2024-12-02 14:54:24,642 INFO  L226             Difference]: Without dead ends: 9367
[2024-12-02 14:54:24,661 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:54:24,661 INFO  L435           NwaCegarLoop]: 954 mSDtfsCounter, 0 mSDsluCounter, 2857 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3811 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:54:24,662 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3811 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:54:24,669 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9367 states.
[2024-12-02 14:54:24,933 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9367 to 9365.
[2024-12-02 14:54:24,942 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9365 states, 7240 states have (on average 1.3545580110497237) internal successors, (9807), 7386 states have internal predecessors, (9807), 1387 states have call successors, (1387), 686 states have call predecessors, (1387), 737 states have return successors, (1584), 1384 states have call predecessors, (1584), 1386 states have call successors, (1584)
[2024-12-02 14:54:24,963 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9365 states to 9365 states and 12778 transitions.
[2024-12-02 14:54:24,971 INFO  L78                 Accepts]: Start accepts. Automaton has 9365 states and 12778 transitions. Word has length 194
[2024-12-02 14:54:24,971 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:54:24,971 INFO  L471      AbstractCegarLoop]: Abstraction has 9365 states and 12778 transitions.
[2024-12-02 14:54:24,971 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21)
[2024-12-02 14:54:24,971 INFO  L276                IsEmpty]: Start isEmpty. Operand 9365 states and 12778 transitions.
[2024-12-02 14:54:24,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 202
[2024-12-02 14:54:24,985 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:54:24,985 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:54:24,985 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 14:54:24,985 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:54:24,985 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:54:24,985 INFO  L85        PathProgramCache]: Analyzing trace with hash -766188612, now seen corresponding path program 1 times
[2024-12-02 14:54:24,986 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:54:24,986 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641225525]
[2024-12-02 14:54:24,986 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:54:24,986 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:54:25,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:54:26,109 INFO  L134       CoverageAnalysis]: Checked inductivity of 333 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked.
[2024-12-02 14:54:26,110 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:54:26,110 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641225525]
[2024-12-02 14:54:26,110 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641225525] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:54:26,110 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105724741]
[2024-12-02 14:54:26,110 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:54:26,110 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:54:26,110 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:54:26,113 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:54:26,115 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 14:54:27,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:54:27,100 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-12-02 14:54:27,112 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:54:27,486 INFO  L134       CoverageAnalysis]: Checked inductivity of 333 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked.
[2024-12-02 14:54:27,486 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 14:54:28,315 INFO  L134       CoverageAnalysis]: Checked inductivity of 333 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked.
[2024-12-02 14:54:28,315 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105724741] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 14:54:28,315 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 14:54:28,316 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 19
[2024-12-02 14:54:28,316 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793845095]
[2024-12-02 14:54:28,316 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 14:54:28,317 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-12-02 14:54:28,317 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:54:28,317 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-12-02 14:54:28,318 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342
[2024-12-02 14:54:28,318 INFO  L87              Difference]: Start difference. First operand 9365 states and 12778 transitions. Second operand  has 19 states, 19 states have (on average 11.105263157894736) internal successors, (211), 19 states have internal predecessors, (211), 10 states have call successors, (46), 8 states have call predecessors, (46), 12 states have return successors, (45), 15 states have call predecessors, (45), 10 states have call successors, (45)
[2024-12-02 14:54:32,328 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:36,334 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:40,340 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:44,345 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:48,352 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:52,358 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:54:56,361 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:55:00,365 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:55:04,370 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:55:08,375 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:55:12,378 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:55:16,384 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:55:22,059 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:55:22,059 INFO  L93              Difference]: Finished difference Result 23850 states and 33416 transitions.
[2024-12-02 14:55:22,060 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-12-02 14:55:22,060 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 11.105263157894736) internal successors, (211), 19 states have internal predecessors, (211), 10 states have call successors, (46), 8 states have call predecessors, (46), 12 states have return successors, (45), 15 states have call predecessors, (45), 10 states have call successors, (45) Word has length 201
[2024-12-02 14:55:22,061 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:55:22,123 INFO  L225             Difference]: With dead ends: 23850
[2024-12-02 14:55:22,123 INFO  L226             Difference]: Without dead ends: 18711
[2024-12-02 14:55:22,140 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 400 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870
[2024-12-02 14:55:22,140 INFO  L435           NwaCegarLoop]: 1447 mSDtfsCounter, 5828 mSDsluCounter, 10783 mSDsCounter, 0 mSdLazyCounter, 5415 mSolverCounterSat, 1917 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6042 SdHoareTripleChecker+Valid, 12230 SdHoareTripleChecker+Invalid, 7344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1917 IncrementalHoareTripleChecker+Valid, 5415 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.9s IncrementalHoareTripleChecker+Time
[2024-12-02 14:55:22,140 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6042 Valid, 12230 Invalid, 7344 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1917 Valid, 5415 Invalid, 12 Unknown, 0 Unchecked, 52.9s Time]
[2024-12-02 14:55:22,154 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18711 states.
[2024-12-02 14:55:22,641 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18711 to 18101.
[2024-12-02 14:55:22,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18101 states, 14038 states have (on average 1.3616612052999002) internal successors, (19115), 14328 states have internal predecessors, (19115), 2703 states have call successors, (2703), 1276 states have call predecessors, (2703), 1359 states have return successors, (3186), 2672 states have call predecessors, (3186), 2702 states have call successors, (3186)
[2024-12-02 14:55:22,701 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18101 states to 18101 states and 25004 transitions.
[2024-12-02 14:55:22,711 INFO  L78                 Accepts]: Start accepts. Automaton has 18101 states and 25004 transitions. Word has length 201
[2024-12-02 14:55:22,711 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:55:22,712 INFO  L471      AbstractCegarLoop]: Abstraction has 18101 states and 25004 transitions.
[2024-12-02 14:55:22,712 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 11.105263157894736) internal successors, (211), 19 states have internal predecessors, (211), 10 states have call successors, (46), 8 states have call predecessors, (46), 12 states have return successors, (45), 15 states have call predecessors, (45), 10 states have call successors, (45)
[2024-12-02 14:55:22,712 INFO  L276                IsEmpty]: Start isEmpty. Operand 18101 states and 25004 transitions.
[2024-12-02 14:55:22,726 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 204
[2024-12-02 14:55:22,726 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:55:22,726 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:55:22,737 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-12-02 14:55:22,927 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2024-12-02 14:55:22,927 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:55:22,928 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:55:22,928 INFO  L85        PathProgramCache]: Analyzing trace with hash 172412731, now seen corresponding path program 1 times
[2024-12-02 14:55:22,928 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:55:22,928 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597768269]
[2024-12-02 14:55:22,928 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:55:22,928 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:55:23,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:55:23,468 INFO  L134       CoverageAnalysis]: Checked inductivity of 333 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-12-02 14:55:23,469 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:55:23,469 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597768269]
[2024-12-02 14:55:23,469 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597768269] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:55:23,469 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:55:23,469 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:55:23,469 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604088890]
[2024-12-02 14:55:23,469 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:55:23,470 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:55:23,470 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:55:23,470 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:55:23,470 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:55:23,471 INFO  L87              Difference]: Start difference. First operand 18101 states and 25004 transitions. Second operand  has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2024-12-02 14:55:24,110 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:55:24,110 INFO  L93              Difference]: Finished difference Result 32014 states and 44572 transitions.
[2024-12-02 14:55:24,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:55:24,111 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 203
[2024-12-02 14:55:24,111 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:55:24,211 INFO  L225             Difference]: With dead ends: 32014
[2024-12-02 14:55:24,211 INFO  L226             Difference]: Without dead ends: 18131
[2024-12-02 14:55:24,253 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:55:24,253 INFO  L435           NwaCegarLoop]: 950 mSDtfsCounter, 0 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2844 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:55:24,253 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2844 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:55:24,270 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18131 states.
[2024-12-02 14:55:25,071 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18131 to 18131.
[2024-12-02 14:55:25,094 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18131 states, 14068 states have (on average 1.361600796133068) internal successors, (19155), 14358 states have internal predecessors, (19155), 2703 states have call successors, (2703), 1276 states have call predecessors, (2703), 1359 states have return successors, (3186), 2672 states have call predecessors, (3186), 2702 states have call successors, (3186)
[2024-12-02 14:55:25,202 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18131 states to 18131 states and 25044 transitions.
[2024-12-02 14:55:25,220 INFO  L78                 Accepts]: Start accepts. Automaton has 18131 states and 25044 transitions. Word has length 203
[2024-12-02 14:55:25,220 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:55:25,221 INFO  L471      AbstractCegarLoop]: Abstraction has 18131 states and 25044 transitions.
[2024-12-02 14:55:25,221 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2024-12-02 14:55:25,221 INFO  L276                IsEmpty]: Start isEmpty. Operand 18131 states and 25044 transitions.
[2024-12-02 14:55:25,245 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 205
[2024-12-02 14:55:25,246 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:55:25,246 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:55:25,246 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 14:55:25,247 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:55:25,247 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:55:25,247 INFO  L85        PathProgramCache]: Analyzing trace with hash -195007938, now seen corresponding path program 1 times
[2024-12-02 14:55:25,248 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:55:25,248 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276847514]
[2024-12-02 14:55:25,248 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:55:25,248 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:55:25,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:55:26,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 334 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked.
[2024-12-02 14:55:26,001 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:55:26,001 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276847514]
[2024-12-02 14:55:26,001 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276847514] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:55:26,001 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:55:26,001 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:55:26,001 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117104132]
[2024-12-02 14:55:26,001 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:55:26,002 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:55:26,002 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:55:26,003 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:55:26,003 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:55:26,003 INFO  L87              Difference]: Start difference. First operand 18131 states and 25044 transitions. Second operand  has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2024-12-02 14:55:26,453 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:55:26,453 INFO  L93              Difference]: Finished difference Result 36275 states and 50115 transitions.
[2024-12-02 14:55:26,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:55:26,454 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 204
[2024-12-02 14:55:26,454 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:55:26,516 INFO  L225             Difference]: With dead ends: 36275
[2024-12-02 14:55:26,516 INFO  L226             Difference]: Without dead ends: 18179
[2024-12-02 14:55:26,543 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:55:26,544 INFO  L435           NwaCegarLoop]: 956 mSDtfsCounter, 0 mSDsluCounter, 1902 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2858 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:55:26,544 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2858 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:55:26,554 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18179 states.
[2024-12-02 14:55:27,146 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18179 to 18179.
[2024-12-02 14:55:27,165 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18179 states, 14116 states have (on average 1.3603712099744971) internal successors, (19203), 14406 states have internal predecessors, (19203), 2703 states have call successors, (2703), 1276 states have call predecessors, (2703), 1359 states have return successors, (3186), 2672 states have call predecessors, (3186), 2702 states have call successors, (3186)
[2024-12-02 14:55:27,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18179 states to 18179 states and 25092 transitions.
[2024-12-02 14:55:27,243 INFO  L78                 Accepts]: Start accepts. Automaton has 18179 states and 25092 transitions. Word has length 204
[2024-12-02 14:55:27,244 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:55:27,244 INFO  L471      AbstractCegarLoop]: Abstraction has 18179 states and 25092 transitions.
[2024-12-02 14:55:27,244 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2024-12-02 14:55:27,245 INFO  L276                IsEmpty]: Start isEmpty. Operand 18179 states and 25092 transitions.
[2024-12-02 14:55:27,262 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 221
[2024-12-02 14:55:27,262 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:55:27,262 INFO  L218           NwaCegarLoop]: trace histogram [14, 14, 13, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:55:27,262 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 14:55:27,263 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:55:27,263 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:55:27,263 INFO  L85        PathProgramCache]: Analyzing trace with hash 646346590, now seen corresponding path program 1 times
[2024-12-02 14:55:27,264 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:55:27,264 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986465836]
[2024-12-02 14:55:27,264 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:55:27,264 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:55:27,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:55:27,719 INFO  L134       CoverageAnalysis]: Checked inductivity of 397 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked.
[2024-12-02 14:55:27,719 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:55:27,720 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986465836]
[2024-12-02 14:55:27,720 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986465836] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:55:27,720 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:55:27,720 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:55:27,720 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603675836]
[2024-12-02 14:55:27,720 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:55:27,721 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:55:27,721 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:55:27,721 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:55:27,721 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:55:27,722 INFO  L87              Difference]: Start difference. First operand 18179 states and 25092 transitions. Second operand  has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2024-12-02 14:55:31,735 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:55:32,358 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:55:32,358 INFO  L93              Difference]: Finished difference Result 43064 states and 59267 transitions.
[2024-12-02 14:55:32,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:55:32,359 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 220
[2024-12-02 14:55:32,359 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:55:32,442 INFO  L225             Difference]: With dead ends: 43064
[2024-12-02 14:55:32,442 INFO  L226             Difference]: Without dead ends: 24920
[2024-12-02 14:55:32,473 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:55:32,474 INFO  L435           NwaCegarLoop]: 1721 mSDtfsCounter, 768 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 4386 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:55:32,474 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 4386 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time]
[2024-12-02 14:55:32,489 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24920 states.
[2024-12-02 14:55:33,384 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24920 to 18211.
[2024-12-02 14:55:33,400 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18211 states, 14148 states have (on average 1.3595561210065026) internal successors, (19235), 14438 states have internal predecessors, (19235), 2703 states have call successors, (2703), 1276 states have call predecessors, (2703), 1359 states have return successors, (3186), 2672 states have call predecessors, (3186), 2702 states have call successors, (3186)
[2024-12-02 14:55:33,443 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18211 states to 18211 states and 25124 transitions.
[2024-12-02 14:55:33,461 INFO  L78                 Accepts]: Start accepts. Automaton has 18211 states and 25124 transitions. Word has length 220
[2024-12-02 14:55:33,462 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:55:33,462 INFO  L471      AbstractCegarLoop]: Abstraction has 18211 states and 25124 transitions.
[2024-12-02 14:55:33,462 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2024-12-02 14:55:33,462 INFO  L276                IsEmpty]: Start isEmpty. Operand 18211 states and 25124 transitions.
[2024-12-02 14:55:33,473 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-12-02 14:55:33,474 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:55:33,474 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:55:33,474 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 14:55:33,474 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:55:33,475 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:55:33,475 INFO  L85        PathProgramCache]: Analyzing trace with hash -1534848324, now seen corresponding path program 1 times
[2024-12-02 14:55:33,475 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:55:33,475 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847996047]
[2024-12-02 14:55:33,475 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:55:33,475 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:55:33,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:55:34,403 INFO  L134       CoverageAnalysis]: Checked inductivity of 334 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked.
[2024-12-02 14:55:34,403 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:55:34,403 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847996047]
[2024-12-02 14:55:34,403 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847996047] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:55:34,403 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:55:34,403 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-02 14:55:34,404 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283898817]
[2024-12-02 14:55:34,404 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:55:34,404 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 14:55:34,404 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:55:34,405 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 14:55:34,405 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-12-02 14:55:34,406 INFO  L87              Difference]: Start difference. First operand 18211 states and 25124 transitions. Second operand  has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-12-02 14:55:34,942 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:55:34,943 INFO  L93              Difference]: Finished difference Result 36555 states and 50395 transitions.
[2024-12-02 14:55:34,943 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 14:55:34,943 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 208
[2024-12-02 14:55:34,943 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:55:35,014 INFO  L225             Difference]: With dead ends: 36555
[2024-12-02 14:55:35,014 INFO  L226             Difference]: Without dead ends: 18379
[2024-12-02 14:55:35,052 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-12-02 14:55:35,053 INFO  L435           NwaCegarLoop]: 949 mSDtfsCounter, 1 mSDsluCounter, 5682 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6631 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:55:35,053 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6631 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:55:35,067 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18379 states.
[2024-12-02 14:55:35,767 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18379 to 18355.
[2024-12-02 14:55:35,781 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18355 states, 14292 states have (on average 1.3559333893087042) internal successors, (19379), 14582 states have internal predecessors, (19379), 2703 states have call successors, (2703), 1276 states have call predecessors, (2703), 1359 states have return successors, (3186), 2672 states have call predecessors, (3186), 2702 states have call successors, (3186)
[2024-12-02 14:55:35,882 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18355 states to 18355 states and 25268 transitions.
[2024-12-02 14:55:35,898 INFO  L78                 Accepts]: Start accepts. Automaton has 18355 states and 25268 transitions. Word has length 208
[2024-12-02 14:55:35,898 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:55:35,898 INFO  L471      AbstractCegarLoop]: Abstraction has 18355 states and 25268 transitions.
[2024-12-02 14:55:35,898 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-12-02 14:55:35,898 INFO  L276                IsEmpty]: Start isEmpty. Operand 18355 states and 25268 transitions.
[2024-12-02 14:55:35,906 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-12-02 14:55:35,906 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:55:35,906 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:55:35,906 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 14:55:35,906 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:55:35,907 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:55:35,907 INFO  L85        PathProgramCache]: Analyzing trace with hash 801544186, now seen corresponding path program 1 times
[2024-12-02 14:55:35,907 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:55:35,907 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556038795]
[2024-12-02 14:55:35,907 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:55:35,907 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:55:36,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:55:36,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 334 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked.
[2024-12-02 14:55:36,191 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:55:36,192 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556038795]
[2024-12-02 14:55:36,192 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556038795] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:55:36,192 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:55:36,192 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:55:36,192 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484603166]
[2024-12-02 14:55:36,192 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:55:36,193 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:55:36,193 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:55:36,193 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:55:36,193 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:55:36,194 INFO  L87              Difference]: Start difference. First operand 18355 states and 25268 transitions. Second operand  has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-12-02 14:55:36,684 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:55:36,684 INFO  L93              Difference]: Finished difference Result 36747 states and 50587 transitions.
[2024-12-02 14:55:36,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:55:36,685 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 208
[2024-12-02 14:55:36,685 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:55:36,744 INFO  L225             Difference]: With dead ends: 36747
[2024-12-02 14:55:36,744 INFO  L226             Difference]: Without dead ends: 18427
[2024-12-02 14:55:36,774 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:55:36,774 INFO  L435           NwaCegarLoop]: 953 mSDtfsCounter, 1 mSDsluCounter, 1898 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2851 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:55:36,774 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2851 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:55:36,786 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18427 states.
[2024-12-02 14:55:37,354 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18427 to 18403.
[2024-12-02 14:55:37,366 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18403 states, 14340 states have (on average 1.354741980474198) internal successors, (19427), 14630 states have internal predecessors, (19427), 2703 states have call successors, (2703), 1276 states have call predecessors, (2703), 1359 states have return successors, (3186), 2672 states have call predecessors, (3186), 2702 states have call successors, (3186)
[2024-12-02 14:55:37,403 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18403 states to 18403 states and 25316 transitions.
[2024-12-02 14:55:37,424 INFO  L78                 Accepts]: Start accepts. Automaton has 18403 states and 25316 transitions. Word has length 208
[2024-12-02 14:55:37,424 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:55:37,424 INFO  L471      AbstractCegarLoop]: Abstraction has 18403 states and 25316 transitions.
[2024-12-02 14:55:37,424 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-12-02 14:55:37,424 INFO  L276                IsEmpty]: Start isEmpty. Operand 18403 states and 25316 transitions.
[2024-12-02 14:55:37,432 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-12-02 14:55:37,432 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:55:37,433 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:55:37,433 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 14:55:37,433 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:55:37,434 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:55:37,434 INFO  L85        PathProgramCache]: Analyzing trace with hash -1077586760, now seen corresponding path program 1 times
[2024-12-02 14:55:37,434 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:55:37,434 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711794867]
[2024-12-02 14:55:37,435 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:55:37,435 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:55:37,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:55:38,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 334 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked.
[2024-12-02 14:55:38,898 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:55:38,898 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711794867]
[2024-12-02 14:55:38,899 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711794867] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:55:38,899 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:55:38,899 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2024-12-02 14:55:38,899 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766488125]
[2024-12-02 14:55:38,899 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:55:38,899 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-12-02 14:55:38,899 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:55:38,900 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-12-02 14:55:38,901 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210
[2024-12-02 14:55:38,901 INFO  L87              Difference]: Start difference. First operand 18403 states and 25316 transitions. Second operand  has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (23), 6 states have call predecessors, (23), 3 states have call successors, (23)
[2024-12-02 14:55:39,697 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:55:39,697 INFO  L93              Difference]: Finished difference Result 37197 states and 51272 transitions.
[2024-12-02 14:55:39,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-12-02 14:55:39,698 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (23), 6 states have call predecessors, (23), 3 states have call successors, (23) Word has length 208
[2024-12-02 14:55:39,699 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:55:39,797 INFO  L225             Difference]: With dead ends: 37197
[2024-12-02 14:55:39,797 INFO  L226             Difference]: Without dead ends: 18829
[2024-12-02 14:55:39,840 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210
[2024-12-02 14:55:39,840 INFO  L435           NwaCegarLoop]: 981 mSDtfsCounter, 10 mSDsluCounter, 12705 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 13686 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 14:55:39,841 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 13686 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 14:55:39,860 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18829 states.
[2024-12-02 14:55:40,491 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18829 to 18581.
[2024-12-02 14:55:40,502 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18581 states, 14466 states have (on average 1.3494400663625052) internal successors, (19521), 14758 states have internal predecessors, (19521), 2703 states have call successors, (2703), 1276 states have call predecessors, (2703), 1411 states have return successors, (3256), 2722 states have call predecessors, (3256), 2702 states have call successors, (3256)
[2024-12-02 14:55:40,542 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18581 states to 18581 states and 25480 transitions.
[2024-12-02 14:55:40,563 INFO  L78                 Accepts]: Start accepts. Automaton has 18581 states and 25480 transitions. Word has length 208
[2024-12-02 14:55:40,563 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:55:40,563 INFO  L471      AbstractCegarLoop]: Abstraction has 18581 states and 25480 transitions.
[2024-12-02 14:55:40,563 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (23), 6 states have call predecessors, (23), 3 states have call successors, (23)
[2024-12-02 14:55:40,564 INFO  L276                IsEmpty]: Start isEmpty. Operand 18581 states and 25480 transitions.
[2024-12-02 14:55:40,571 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 234
[2024-12-02 14:55:40,572 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:55:40,572 INFO  L218           NwaCegarLoop]: trace histogram [14, 14, 13, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:55:40,572 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 14:55:40,572 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:55:40,572 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:55:40,573 INFO  L85        PathProgramCache]: Analyzing trace with hash -1363951599, now seen corresponding path program 1 times
[2024-12-02 14:55:40,573 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:55:40,573 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859590117]
[2024-12-02 14:55:40,573 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:55:40,573 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:55:40,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:55:40,835 INFO  L134       CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked.
[2024-12-02 14:55:40,835 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:55:40,835 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859590117]
[2024-12-02 14:55:40,835 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859590117] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:55:40,835 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391815332]
[2024-12-02 14:55:40,836 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:55:40,836 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:55:40,836 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:55:40,838 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:55:40,839 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 14:55:41,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:55:41,713 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 14:55:41,720 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:55:41,763 INFO  L134       CoverageAnalysis]: Checked inductivity of 397 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked.
[2024-12-02 14:55:41,763 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:55:41,763 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391815332] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:55:41,763 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 14:55:41,763 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7
[2024-12-02 14:55:41,763 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969881987]
[2024-12-02 14:55:41,763 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:55:41,764 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:55:41,764 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:55:41,765 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:55:41,765 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:55:41,765 INFO  L87              Difference]: Start difference. First operand 18581 states and 25480 transitions. Second operand  has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-12-02 14:55:45,779 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 14:55:46,866 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:55:46,867 INFO  L93              Difference]: Finished difference Result 44036 states and 60203 transitions.
[2024-12-02 14:55:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-12-02 14:55:46,867 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 233
[2024-12-02 14:55:46,868 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:55:46,945 INFO  L225             Difference]: With dead ends: 44036
[2024-12-02 14:55:46,945 INFO  L226             Difference]: Without dead ends: 25490
[2024-12-02 14:55:46,978 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-12-02 14:55:46,978 INFO  L435           NwaCegarLoop]: 1712 mSDtfsCounter, 777 mSDsluCounter, 4323 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 6035 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:55:46,979 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 6035 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time]
[2024-12-02 14:55:46,995 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25490 states.
[2024-12-02 14:55:47,638 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25490 to 18597.
[2024-12-02 14:55:47,649 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18597 states, 14482 states have (on average 1.3490539980665655) internal successors, (19537), 14758 states have internal predecessors, (19537), 2703 states have call successors, (2703), 1276 states have call predecessors, (2703), 1411 states have return successors, (3256), 2722 states have call predecessors, (3256), 2702 states have call successors, (3256)
[2024-12-02 14:55:47,689 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18597 states to 18597 states and 25496 transitions.
[2024-12-02 14:55:47,713 INFO  L78                 Accepts]: Start accepts. Automaton has 18597 states and 25496 transitions. Word has length 233
[2024-12-02 14:55:47,714 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:55:47,714 INFO  L471      AbstractCegarLoop]: Abstraction has 18597 states and 25496 transitions.
[2024-12-02 14:55:47,714 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-12-02 14:55:47,714 INFO  L276                IsEmpty]: Start isEmpty. Operand 18597 states and 25496 transitions.
[2024-12-02 14:55:47,721 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 238
[2024-12-02 14:55:47,721 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:55:47,722 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:55:47,736 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 14:55:47,922 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-12-02 14:55:47,922 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:55:47,923 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:55:47,923 INFO  L85        PathProgramCache]: Analyzing trace with hash -1630088227, now seen corresponding path program 1 times
[2024-12-02 14:55:47,923 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:55:47,923 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084275983]
[2024-12-02 14:55:47,923 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:55:47,923 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:55:48,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:55:49,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 334 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked.
[2024-12-02 14:55:49,902 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:55:49,902 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084275983]
[2024-12-02 14:55:49,902 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084275983] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:55:49,902 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:55:49,902 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2024-12-02 14:55:49,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065328146]
[2024-12-02 14:55:49,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:55:49,903 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-12-02 14:55:49,903 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:55:49,904 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-12-02 14:55:49,904 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210
[2024-12-02 14:55:49,904 INFO  L87              Difference]: Start difference. First operand 18597 states and 25496 transitions. Second operand  has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 12 states have internal predecessors, (137), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 8 states have call predecessors, (27), 5 states have call successors, (27)
[2024-12-02 14:55:50,795 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:55:50,795 INFO  L93              Difference]: Finished difference Result 37447 states and 51379 transitions.
[2024-12-02 14:55:50,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-12-02 14:55:50,796 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 12 states have internal predecessors, (137), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 8 states have call predecessors, (27), 5 states have call successors, (27) Word has length 237
[2024-12-02 14:55:50,797 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:55:50,857 INFO  L225             Difference]: With dead ends: 37447
[2024-12-02 14:55:50,857 INFO  L226             Difference]: Without dead ends: 18885
[2024-12-02 14:55:50,887 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240
[2024-12-02 14:55:50,888 INFO  L435           NwaCegarLoop]: 957 mSDtfsCounter, 16 mSDsluCounter, 11414 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 12371 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 14:55:50,888 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 12371 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 14:55:50,901 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18885 states.
[2024-12-02 14:55:51,597 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18885 to 18693.
[2024-12-02 14:55:51,613 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18693 states, 14554 states have (on average 1.3473271952727772) internal successors, (19609), 14830 states have internal predecessors, (19609), 2727 states have call successors, (2727), 1276 states have call predecessors, (2727), 1411 states have return successors, (3280), 2746 states have call predecessors, (3280), 2726 states have call successors, (3280)
[2024-12-02 14:55:51,675 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18693 states to 18693 states and 25616 transitions.
[2024-12-02 14:55:51,704 INFO  L78                 Accepts]: Start accepts. Automaton has 18693 states and 25616 transitions. Word has length 237
[2024-12-02 14:55:51,705 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:55:51,705 INFO  L471      AbstractCegarLoop]: Abstraction has 18693 states and 25616 transitions.
[2024-12-02 14:55:51,705 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 12 states have internal predecessors, (137), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 8 states have call predecessors, (27), 5 states have call successors, (27)
[2024-12-02 14:55:51,705 INFO  L276                IsEmpty]: Start isEmpty. Operand 18693 states and 25616 transitions.
[2024-12-02 14:55:51,717 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-12-02 14:55:51,717 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:55:51,718 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:55:51,718 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 14:55:51,718 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:55:51,719 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:55:51,719 INFO  L85        PathProgramCache]: Analyzing trace with hash 1929972642, now seen corresponding path program 1 times
[2024-12-02 14:55:51,719 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:55:51,719 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973308722]
[2024-12-02 14:55:51,719 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:55:51,719 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:55:52,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:55:52,266 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 14:55:52,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:55:52,653 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 14:55:52,653 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-12-02 14:55:52,654 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 14:55:52,658 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 14:55:52,661 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:55:52,907 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 14:55:52,912 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:55:52 BoogieIcfgContainer
[2024-12-02 14:55:52,912 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 14:55:52,913 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 14:55:52,913 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-02 14:55:52,914 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-02 14:55:52,915 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:47" (3/4) ...
[2024-12-02 14:55:52,917 INFO  L140         WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 14:55:53,189 INFO  L129   tionWitnessGenerator]: Generated YAML witness of length 133.
[2024-12-02 14:55:53,308 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 14:55:53,308 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 14:55:53,308 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 14:55:53,309 INFO  L158              Benchmark]: Toolchain (without parser) took 134166.64ms. Allocated memory was 117.4MB in the beginning and 981.5MB in the end (delta: 864.0MB). Free memory was 84.1MB in the beginning and 277.3MB in the end (delta: -193.1MB). Peak memory consumption was 670.8MB. Max. memory is 16.1GB.
[2024-12-02 14:55:53,310 INFO  L158              Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:55:53,310 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1442.23ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 83.9MB in the beginning and 133.0MB in the end (delta: -49.0MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB.
[2024-12-02 14:55:53,310 INFO  L158              Benchmark]: Boogie Procedure Inliner took 134.91ms. Allocated memory is still 201.3MB. Free memory was 133.0MB in the beginning and 121.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 14:55:53,310 INFO  L158              Benchmark]: Boogie Preprocessor took 462.60ms. Allocated memory is still 201.3MB. Free memory was 121.4MB in the beginning and 141.2MB in the end (delta: -19.8MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB.
[2024-12-02 14:55:53,311 INFO  L158              Benchmark]: RCFGBuilder took 6797.86ms. Allocated memory is still 201.3MB. Free memory was 141.2MB in the beginning and 106.7MB in the end (delta: 34.5MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB.
[2024-12-02 14:55:53,311 INFO  L158              Benchmark]: TraceAbstraction took 124926.57ms. Allocated memory was 201.3MB in the beginning and 981.5MB in the end (delta: 780.1MB). Free memory was 106.7MB in the beginning and 327.6MB in the end (delta: -220.9MB). Peak memory consumption was 561.7MB. Max. memory is 16.1GB.
[2024-12-02 14:55:53,311 INFO  L158              Benchmark]: Witness Printer took 395.21ms. Allocated memory is still 981.5MB. Free memory was 327.6MB in the beginning and 277.3MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-12-02 14:55:53,313 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1442.23ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 83.9MB in the beginning and 133.0MB in the end (delta: -49.0MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 134.91ms. Allocated memory is still 201.3MB. Free memory was 133.0MB in the beginning and 121.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 462.60ms. Allocated memory is still 201.3MB. Free memory was 121.4MB in the beginning and 141.2MB in the end (delta: -19.8MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB.
 * RCFGBuilder took 6797.86ms. Allocated memory is still 201.3MB. Free memory was 141.2MB in the beginning and 106.7MB in the end (delta: 34.5MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 124926.57ms. Allocated memory was 201.3MB in the beginning and 981.5MB in the end (delta: 780.1MB). Free memory was 106.7MB in the beginning and 327.6MB in the end (delta: -220.9MB). Peak memory consumption was 561.7MB. Max. memory is 16.1GB.
 * Witness Printer took 395.21ms. Allocated memory is still 981.5MB. Free memory was 327.6MB in the beginning and 277.3MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 5277]: 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"); [5277]
  - GenericResultAtLocation [Line: 5284]: 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)); [5284]
  - GenericResultAtLocation [Line: 5292]: 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 %2, %0; setc %1": "+m" (*addr),
                       "=qm" (c): "Ir" (nr): "memory"); [5292-5293]
  - GenericResultAtLocation [Line: 5301]: 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 %2, %0; setc %1": "+m" (*addr),
                       "=qm" (c): "Ir" (nr): "memory"); [5301-5302]
  - GenericResultAtLocation [Line: 5349]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5349]
  - GenericResultAtLocation [Line: 5357]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter),
                       "=qm" (c): : "memory"); [5357-5358]
  - GenericResultAtLocation [Line: 5939]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5939]
  - GenericResultAtLocation [Line: 5942]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5942]
  - GenericResultAtLocation [Line: 5945]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5945]
  - GenericResultAtLocation [Line: 5948]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5948]
  - GenericResultAtLocation [Line: 5951]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5951]
  - GenericResultAtLocation [Line: 5967]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [5967-5968]
  - GenericResultAtLocation [Line: 5971]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [5971-5972]
  - GenericResultAtLocation [Line: 5975]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [5975-5976]
  - GenericResultAtLocation [Line: 5979]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [5979-5980]
  - GenericResultAtLocation [Line: 5983]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [5983-5984]
  - GenericResultAtLocation [Line: 6007]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6007-6008]
  - GenericResultAtLocation [Line: 6011]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6011-6012]
  - GenericResultAtLocation [Line: 6015]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6015-6016]
  - GenericResultAtLocation [Line: 6019]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6019-6020]
  - GenericResultAtLocation [Line: 6023]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6023-6024]
  - GenericResultAtLocation [Line: 6152]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6152]
  - GenericResultAtLocation [Line: 6155]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6155]
  - GenericResultAtLocation [Line: 6158]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6158]
  - GenericResultAtLocation [Line: 6161]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6161]
  - GenericResultAtLocation [Line: 6164]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6164]
  - GenericResultAtLocation [Line: 6176]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)argp),
                       "i" (4UL)); [6176-6177]
  - GenericResultAtLocation [Line: 6194]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [6194-6195]
  - GenericResultAtLocation [Line: 6198]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [6198-6199]
  - GenericResultAtLocation [Line: 6202]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [6202-6203]
  - GenericResultAtLocation [Line: 6206]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [6206-6207]
  - GenericResultAtLocation [Line: 6210]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0),
                       "c" (p): "ebx"); [6210-6211]
  - GenericResultAtLocation [Line: 6223]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (p),
                       "i" (4UL)); [6223-6224]
  - GenericResultAtLocation [Line: 6237]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6237-6238]
  - GenericResultAtLocation [Line: 6241]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6241-6242]
  - GenericResultAtLocation [Line: 6245]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6245-6246]
  - GenericResultAtLocation [Line: 6249]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6249-6250]
  - GenericResultAtLocation [Line: 6253]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1),
                       "c" (p): "ebx"); [6253-6254]
  - GenericResultAtLocation [Line: 6266]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" (p),
                       "i" (4UL)); [6266-6267]
  - GenericResultAtLocation [Line: 6304]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2),
                       "c" ((int *)argp): "ebx"); [6304-6305]
  - GenericResultAtLocation [Line: 6308]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2),
                       "c" ((int *)argp): "ebx"); [6308-6309]
  - GenericResultAtLocation [Line: 6312]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2),
                       "c" ((int *)argp): "ebx"); [6312-6313]
  - GenericResultAtLocation [Line: 6316]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2),
                       "c" ((int *)argp): "ebx"); [6316-6317]
  - GenericResultAtLocation [Line: 6320]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2),
                       "c" ((int *)argp): "ebx"); [6320-6321]
  - GenericResultAtLocation [Line: 6333]: Unsoundness Warning
    Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___2), "=r" (__val_gu___2): "0" ((int *)argp),
                       "i" (4UL)); [6333-6334]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 5666]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L5689]                     int LDV_IN_INTERRUPT = 1;
[L5690]                     int ldv_state_variable_2 ;
[L5691]                     struct ppp_channel *sync_ops_group0 ;
[L5692]                     int ref_cnt ;
[L5693]                     int ldv_state_variable_1 ;
[L5694]                     int ldv_state_variable_0 ;
[L5695]                     struct tty_struct *ppp_sync_ldisc_group1 ;
[L5751]                     static struct ppp_channel_ops const sync_ops = {& ppp_sync_send, & ppp_sync_ioctl};
[L5751]                     static struct ppp_channel_ops const sync_ops = {& ppp_sync_send, & ppp_sync_ioctl};
[L5751]                     static struct ppp_channel_ops const sync_ops = {& ppp_sync_send, & ppp_sync_ioctl};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L5775-L5776]               static rwlock_t disc_data_lock = {{{0}, {{0U}}}, 3736018669U, 4294967295U, (void *)-1, {0, {0, 0}, "disc_data_lock",
                                                          0, 0UL}};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6096-L6099]               static struct tty_ldisc_ops ppp_sync_ldisc =
     {21507, (char *)"pppsync", 0, 0, & ppp_sync_open, & ppp_sync_close, 0, 0, & ppp_sync_read,
    & ppp_sync_write, & ppp_synctty_ioctl, 0, 0, & ppp_sync_poll, & ppp_sync_hangup,
    & ppp_sync_receive, & ppp_sync_wakeup, 0, 0, 0, & __this_module, 0};
[L6637]                     int ldv_retval_0 ;
[L6638]                     int ldv_retval_1 ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7012]                     Element set_impl[15] ;
[L7013]                     int last_index = 0;
[L7147]                     Set LDV_SKBS ;
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6661]                     size_t ldvarg11 ;
[L6662]                     size_t tmp ;
[L6663]                     struct file *ldvarg7 ;
[L6664]                     void *tmp___0 ;
[L6665]                     int ldvarg3 ;
[L6666]                     int tmp___1 ;
[L6667]                     unsigned long ldvarg0 ;
[L6668]                     unsigned long tmp___2 ;
[L6669]                     unsigned char *ldvarg12 ;
[L6670]                     void *tmp___3 ;
[L6671]                     unsigned char *ldvarg5 ;
[L6672]                     void *tmp___4 ;
[L6673]                     struct poll_table_struct *ldvarg6 ;
[L6674]                     void *tmp___5 ;
[L6675]                     size_t ldvarg8 ;
[L6676]                     size_t tmp___6 ;
[L6677]                     unsigned int ldvarg1 ;
[L6678]                     unsigned int tmp___7 ;
[L6679]                     char *ldvarg4 ;
[L6680]                     void *tmp___8 ;
[L6681]                     struct file *ldvarg13 ;
[L6682]                     void *tmp___9 ;
[L6683]                     struct file *ldvarg10 ;
[L6684]                     void *tmp___10 ;
[L6685]                     unsigned char *ldvarg9 ;
[L6686]                     void *tmp___11 ;
[L6687]                     struct file *ldvarg2 ;
[L6688]                     void *tmp___12 ;
[L6689]                     unsigned long ldvarg14 ;
[L6690]                     unsigned long tmp___13 ;
[L6691]                     struct sk_buff *ldvarg16 ;
[L6692]                     void *tmp___14 ;
[L6693]                     unsigned int ldvarg15 ;
[L6694]                     unsigned int tmp___15 ;
[L6695]                     int tmp___16 ;
[L6696]                     int tmp___17 ;
[L6697]                     int tmp___18 ;
[L6698]                     int tmp___19 ;
[L6700]                     tmp = __VERIFIER_nondet_size_t()
[L6701]                     ldvarg11 = tmp
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg11=4294967314, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6702]        CALL, EXPR   ldv_zalloc(512UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=512, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=512, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6702]        RET, EXPR    ldv_zalloc(512UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg11=4294967314, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6702]                     tmp___0 = ldv_zalloc(512UL)
[L6703]                     ldvarg7 = (struct file *)tmp___0
[L6704]                     tmp___1 = __VERIFIER_nondet_int()
[L6705]                     ldvarg3 = tmp___1
[L6706]                     tmp___2 = __VERIFIER_nondet_ulong()
[L6707]                     ldvarg0 = tmp___2
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg3=0, ldvarg7={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6708]        CALL, EXPR   ldv_zalloc(1UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=1, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=1, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6708]        RET, EXPR    ldv_zalloc(1UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg3=0, ldvarg7={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6708]                     tmp___3 = ldv_zalloc(1UL)
[L6709]                     ldvarg12 = (unsigned char *)tmp___3
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg3=0, ldvarg7={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6710]        CALL, EXPR   ldv_zalloc(1UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=1, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=1, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6710]        RET, EXPR    ldv_zalloc(1UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg3=0, ldvarg7={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6710]                     tmp___4 = ldv_zalloc(1UL)
[L6711]                     ldvarg5 = (unsigned char *)tmp___4
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg3=0, ldvarg5={0:0}, ldvarg7={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6712]        CALL, EXPR   ldv_zalloc(16UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=16, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=16, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6712]        RET, EXPR    ldv_zalloc(16UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg3=0, ldvarg5={0:0}, ldvarg7={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6712]                     tmp___5 = ldv_zalloc(16UL)
[L6713]                     ldvarg6 = (struct poll_table_struct *)tmp___5
[L6714]                     tmp___6 = __VERIFIER_nondet_size_t()
[L6715]                     ldvarg8 = tmp___6
[L6716]                     tmp___7 = __VERIFIER_nondet_uint()
[L6717]                     ldvarg1 = tmp___7
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg1=4294967331, ldvarg3=0, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6718]        CALL, EXPR   ldv_zalloc(1UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=1, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=1, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6718]        RET, EXPR    ldv_zalloc(1UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg1=4294967331, ldvarg3=0, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6718]                     tmp___8 = ldv_zalloc(1UL)
[L6719]                     ldvarg4 = (char *)tmp___8
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg1=4294967331, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6720]        CALL, EXPR   ldv_zalloc(512UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=512, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=512, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6720]        RET, EXPR    ldv_zalloc(512UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg1=4294967331, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6720]                     tmp___9 = ldv_zalloc(512UL)
[L6721]                     ldvarg13 = (struct file *)tmp___9
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg1=4294967331, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6722]        CALL, EXPR   ldv_zalloc(512UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=512, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=512, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6722]        RET, EXPR    ldv_zalloc(512UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg1=4294967331, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6722]                     tmp___10 = ldv_zalloc(512UL)
[L6723]                     ldvarg10 = (struct file *)tmp___10
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg1=4294967331, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6724]        CALL, EXPR   ldv_zalloc(1UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=1, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=1, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6724]        RET, EXPR    ldv_zalloc(1UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg1=4294967331, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6724]                     tmp___11 = ldv_zalloc(1UL)
[L6725]                     ldvarg9 = (unsigned char *)tmp___11
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg1=4294967331, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6726]        CALL, EXPR   ldv_zalloc(512UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=512, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=512, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6726]        RET, EXPR    ldv_zalloc(512UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg1=4294967331, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6726]                     tmp___12 = ldv_zalloc(512UL)
[L6727]                     ldvarg2 = (struct file *)tmp___12
[L6728]                     tmp___13 = __VERIFIER_nondet_ulong()
[L6729]                     ldvarg14 = tmp___13
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6730]        CALL, EXPR   ldv_zalloc(232UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=232, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=232, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6730]        RET, EXPR    ldv_zalloc(232UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6730]                     tmp___14 = ldv_zalloc(232UL)
[L6731]                     ldvarg16 = (struct sk_buff *)tmp___14
[L6732]                     tmp___15 = __VERIFIER_nondet_uint()
[L6733]                     ldvarg15 = tmp___15
[L6734]        CALL         ldv_initialize()
[L7166]        CALL         ldv_set_init(LDV_SKBS)
[L7018]                     set = set_impl
[L7019]                     last_index = 0
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7166]        RET          ldv_set_init(LDV_SKBS)
[L6734]        RET          ldv_initialize()
[L6735]                     ldv_state_variable_1 = 0
[L6736]                     ref_cnt = 0
[L6737]                     ldv_state_variable_0 = 1
[L6738]                     ldv_state_variable_2 = 0
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6740]                     tmp___16 = __VERIFIER_nondet_int()
[L6742]                     case 0:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tmp___16=1]
[L6742]                     case 0:
[L6838]                     case 1:
[L6840]                     tmp___18 = __VERIFIER_nondet_int()
[L6842]                     case 0:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tmp___16=1, tmp___18=1]
[L6838]                     case 1:
[L6850]                     case 1:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tmp___16=1]
[L6838]                     case 1:
[L6852]        CALL, EXPR   ppp_sync_init()
[L6102]                     int err ;
[L6104]        CALL, EXPR   tty_register_ldisc(14, & ppp_sync_ldisc)
[L7358]                     return __VERIFIER_nondet_int();
[L6104]        RET, EXPR    tty_register_ldisc(14, & ppp_sync_ldisc)
[L6104]                     err = tty_register_ldisc(14, & ppp_sync_ldisc)
[L6105]        COND FALSE   !(err != 0)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, err=0, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6109]                     return (err);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \result=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6852]        RET, EXPR    ppp_sync_init()
[L6852]                     ldv_retval_1 = ppp_sync_init()
[L6838]                     case 1:
[L6854]                     ldv_state_variable_0 = 3
[L6855]                     ldv_state_variable_2 = 1
[L6856]        CALL         ldv_initialize_ppp_channel_ops_2()
[L6643]                     void *tmp ;
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6645]        CALL, EXPR   ldv_zalloc(40UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=40, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=40, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6645]        RET, EXPR    ldv_zalloc(40UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6645]                     tmp = ldv_zalloc(40UL)
[L6646]                     sync_ops_group0 = (struct ppp_channel *)tmp
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6856]        RET          ldv_initialize_ppp_channel_ops_2()
[L6857]                     ldv_state_variable_1 = 1
[L6858]        CALL         ldv_target_type_1()
[L6652]                     void *tmp ;
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6654]        CALL, EXPR   ldv_zalloc(1752UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND TRUE    tmp___0 != 0
[L5637]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=1752, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=1752, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6654]        RET, EXPR    ldv_zalloc(1752UL)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6654]                     tmp = ldv_zalloc(1752UL)
[L6655]                     ppp_sync_ldisc_group1 = (struct tty_struct *)tmp
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6858]        RET          ldv_target_type_1()
[L6838]                     case 1:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tmp___16=1]
[L6740]                     tmp___16 = __VERIFIER_nondet_int()
[L6742]                     case 0:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tmp___16=2]
[L6742]                     case 0:
[L6838]                     case 1:
[L6876]                     case 2:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6876]                     case 2:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6876]                     case 2:
[L6878]                     tmp___19 = __VERIFIER_nondet_int()
[L6880]                     case 0:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tmp___19=0]
[L6876]                     case 2:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6876]                     case 2:
[L6882]        CALL         ppp_sync_send(sync_ops_group0, ldvarg16)
[L6439]                     struct syncppp *ap ;
[L6440]                     int tmp ;
[L6442]        EXPR         chan->private
[L6442]                     ap = (struct syncppp *)chan->private
[L6443]        CALL         ppp_sync_push(ap)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6461]                     int sent ;
[L6462]                     int done ;
[L6463]                     struct tty_struct *tty ;
[L6464]                     int tty_stuffed ;
[L6465]                     int tmp ;
[L6466]                     int tmp___0 ;
[L6467]                     int tmp___1 ;
[L6468]                     int tmp___2 ;
[L6470]                     done = 0
[L6471]        EXPR         ap->tty
[L6471]                     tty = ap->tty
[L6472]                     tty_stuffed = 0
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(ap)={4294967300:27}, \old(last_index)=0, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, done=0, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tty={4294967336:4294967350}, tty_stuffed=0]
[L6473]        CALL, EXPR   spin_trylock_bh(& ap->xmit_lock)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5417]                     int tmp ;
[L5419]        CALL, EXPR   _raw_spin_trylock_bh(& lock->ldv_6338.rlock)
[L7268]                     return __VERIFIER_nondet_int();
[L5419]        RET, EXPR    _raw_spin_trylock_bh(& lock->ldv_6338.rlock)
[L5419]                     tmp = _raw_spin_trylock_bh(& lock->ldv_6338.rlock)
[L5420]                     return (tmp);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, \old(lock)={4294967300:47}, \result=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6473]        RET, EXPR    spin_trylock_bh(& ap->xmit_lock)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(ap)={4294967300:27}, \old(last_index)=0, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, done=0, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tty={4294967336:4294967350}, tty_stuffed=0]
[L6473]                     tmp = spin_trylock_bh(& ap->xmit_lock)
[L6474]        COND TRUE    tmp == 0
[L6475]                     return (0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(ap)={4294967300:27}, \old(last_index)=0, \result=0, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, done=0, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tty={4294967336:4294967350}, tty_stuffed=0]
[L6443]        RET          ppp_sync_push(ap)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6444]        CALL, EXPR   test_and_set_bit(1L, (unsigned long volatile *)(& ap->xmit_flags))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(addr)={4294967300:183}, \old(nr)=1, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5290]                     char c ;
[L5294]                     return ((int )((signed char )c) != 0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(addr)={4294967300:183}, \old(nr)=1, \result=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6444]        RET, EXPR    test_and_set_bit(1L, (unsigned long volatile *)(& ap->xmit_flags))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6444]                     tmp = test_and_set_bit(1L, (unsigned long volatile *)(& ap->xmit_flags))
[L6445]        COND FALSE   !(tmp != 0)
[L6449]        CALL, EXPR   ppp_sync_txmunge(ap, skb)
[L6390]                     int proto ;
[L6391]                     unsigned char *data ;
[L6392]                     int islcp ;
[L6393]                     u16 tmp ;
[L6394]                     struct sk_buff *npkt ;
[L6395]                     struct sk_buff *tmp___0 ;
[L6396]                     unsigned char *tmp___1 ;
[L6397]                     unsigned int tmp___2 ;
[L6399]        EXPR         skb->data
[L6399]                     data = skb->data
[L6400]        CALL, EXPR   get_unaligned_be16((void const *)data)
[L5737]                     __u16 tmp ;
[L5739]        CALL, EXPR   __be16_to_cpup((__be16 const *)p)
[L5328]                     __u16 tmp ;
[L5330]        CALL, EXPR   __swab16p(p)
[L5320]                     __u16 tmp ;
[L5322]        EXPR         \read(*p)
[L5322]        CALL, EXPR   __fswab16((int )*p)
[L5315]        EXPR         (int )((short )((int )val << 8)) | (int )((short )((int )val >> 8))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5315]                     return ((__u16 )((int )((short )((int )val << 8)) | (int )((short )((int )val >> 8))));
[L5322]        RET, EXPR    __fswab16((int )*p)
[L5322]                     tmp = __fswab16((int )*p)
[L5323]                     return (tmp);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \result=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5330]        RET, EXPR    __swab16p(p)
[L5330]                     tmp = __swab16p(p)
[L5331]                     return (tmp);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \result=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5739]        RET, EXPR    __be16_to_cpup((__be16 const *)p)
[L5739]                     tmp = __be16_to_cpup((__be16 const *)p)
[L5740]                     return (tmp);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \result=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6400]        RET, EXPR    get_unaligned_be16((void const *)data)
[L6400]                     tmp = get_unaligned_be16((void const *)data)
[L6401]                     proto = (int )tmp
[L6402]        EXPR         proto == 49185 && (unsigned int )*(data + 2UL) != 0U
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, data={29:31}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6402]        EXPR         proto == 49185 && (unsigned int )*(data + 2UL) != 0U
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6402]        EXPR         (proto == 49185 && (unsigned int )*(data + 2UL) != 0U) && (unsigned int )*(data + 2UL) <= 7U
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, data={29:31}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6402]        EXPR         (proto == 49185 && (unsigned int )*(data + 2UL) != 0U) && (unsigned int )*(data + 2UL) <= 7U
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6402]                     islcp = (proto == 49185 && (unsigned int )*(data + 2UL) != 0U) && (unsigned int )*(data + 2UL) <= 7U
[L6403]        EXPR         \read(*data)
[L6403]        EXPR         (unsigned int )*data == 0U && (int )ap->flags & 1
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, islcp=0, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6403]        EXPR         (unsigned int )*data == 0U && (int )ap->flags & 1
[L6403]        EXPR         ap->flags
[L6403]        EXPR         (unsigned int )*data == 0U && (int )ap->flags & 1
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, islcp=0, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6403]        COND FALSE   !(((unsigned int )*data == 0U && (int )ap->flags & 1) && islcp == 0)
[L6407]        EXPR         ap->flags
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6407]        EXPR         ap->flags & 2U
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, islcp=0, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6407]        COND TRUE    (ap->flags & 2U) == 0U || islcp != 0
[L6408]        CALL, EXPR   skb_headroom((struct sk_buff const *)skb)
[L5565]        EXPR         skb->data
[L5565]        EXPR         skb->head
[L5565]                     return ((unsigned int )((long )skb->data) - (unsigned int )((long )skb->head));
[L6408]        RET, EXPR    skb_headroom((struct sk_buff const *)skb)
[L6408]                     tmp___2 = skb_headroom((struct sk_buff const *)skb)
[L6409]        COND TRUE    tmp___2 <= 1U
[L6410]        EXPR         skb->len
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6410]        CALL, EXPR   ldv_dev_alloc_skb_15(skb->len + 2U)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, \old(length)=2, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6970]                     struct sk_buff *tmp ;
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, \old(length)=2, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6972]        CALL, EXPR   ldv_skb_alloc()
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7150]                     void *skb ;
[L7151]                     void *tmp___7 ;
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7153]        CALL, EXPR   ldv_zalloc(sizeof(struct sk_buff___0 ))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5631]                     void *p ;
[L5632]                     void *tmp ;
[L5633]                     int tmp___0 ;
[L5635]                     tmp___0 = __VERIFIER_nondet_int()
[L5636]        COND FALSE   !(tmp___0 != 0)
[L5639]        EXPR, FCALL  calloc(1UL, size)
[L5639]                     tmp = calloc(1UL, size)
[L5640]                     p = tmp
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, \old(size)=248, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-(((__int128) 0 << 64) | 18446744073709551615U):0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5641]        CALL         assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(cond)=1, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5610]        COND FALSE   !(!cond)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(cond)=1, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5641]        RET          assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, \old(size)=248, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-(((__int128) 0 << 64) | 18446744073709551615U):0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5642]                     return (p);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, \old(size)=248, \result={-(((__int128) 0 << 64) | 18446744073709551615U):0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7153]        RET, EXPR    ldv_zalloc(sizeof(struct sk_buff___0 ))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7153]                     tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 ))
[L7154]                     skb = (struct sk_buff___0 *)tmp___7
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={-(((__int128) 0 << 64) | 18446744073709551615U):0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7155]        COND FALSE   !(! skb)
[L7158]        CALL         ldv_set_add(LDV_SKBS, skb)
[L7026]                     int i ;
[L7028]                     i = 0
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, e={-(((__int128) 0 << 64) | 18446744073709551615U):0}, i=0, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7030]        COND FALSE   !(i < last_index)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, e={-(((__int128) 0 << 64) | 18446744073709551615U):0}, last_index=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7040]        COND TRUE    last_index < 15
[L7041]                     set_impl[last_index] = e
[L7042]                     last_index = last_index + 1
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7158]        RET          ldv_set_add(LDV_SKBS, skb)
[L7159]                     return (skb);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, \result={-(((__int128) 0 << 64) | 18446744073709551615U):0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6972]        RET, EXPR    ldv_skb_alloc()
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, \old(length)=2, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6972]                     tmp = ldv_skb_alloc()
[L6973]                     return (tmp);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=0, \old(length)=2, \result={-(((__int128) 0 << 64) | 18446744073709551615U):0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6410]        RET, EXPR    ldv_dev_alloc_skb_15(skb->len + 2U)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6410]                     tmp___0 = ldv_dev_alloc_skb_15(skb->len + 2U)
[L6411]                     npkt = tmp___0
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-(((__int128) 0 << 64) | 18446744073709551615U):0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6412]        COND FALSE   !((unsigned long )npkt == (unsigned long )((struct sk_buff *)0))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-(((__int128) 0 << 64) | 18446744073709551615U):0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6417]        CALL         skb_reserve(npkt, 2)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(len)=2, \old(skb)={-(((__int128) 0 << 64) | 18446744073709551615U):0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5579]        EXPR         skb->data
[L5579]                     skb->data = skb->data + (unsigned long )len
[L5580]        EXPR         skb->tail
[L5580]                     skb->tail = skb->tail + (sk_buff_data_t )len
[L6417]        RET          skb_reserve(npkt, 2)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-(((__int128) 0 << 64) | 18446744073709551615U):0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6418]        EXPR         skb->len
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6418]        CALL, EXPR   skb_put(npkt, skb->len)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(arg0)={-(((__int128) 0 << 64) | 18446744073709551615U):0}, \old(arg1)=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7333]        EXPR         arg0->data
[L7333]        EXPR         arg0->tail
[L7333]                     unsigned char *ret_val = arg0->data + arg0->tail;
[L7334]        EXPR         arg0->tail
[L7334]                     arg0->tail += arg1
[L7335]                     return ret_val;
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(arg0)={-(((__int128) 0 << 64) | 18446744073709551615U):0}, \old(arg1)=0, \result={-(((__int128) 0 << 64) | 18446744073709551615U):234}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6418]        RET, EXPR    skb_put(npkt, skb->len)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, npkt={-(((__int128) 0 << 64) | 18446744073709551615U):0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6418]                     tmp___1 = skb_put(npkt, skb->len)
[L6419]        EXPR         skb->len
[L6419]        CALL         skb_copy_from_linear_data((struct sk_buff const *)skb, (void *)tmp___1, skb->len)
[L5592]                     size_t __len ;
[L5593]                     void *__ret ;
[L5595]                     __len = (size_t )len
[L5596]        EXPR         skb->data
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5596]        EXPR, FCALL  memcpy(to, (void const *)skb->data, __len)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5596]                     __ret = memcpy(to, (void const *)skb->data, __len)
[L6419]        RET          skb_copy_from_linear_data((struct sk_buff const *)skb, (void *)tmp___1, skb->len)
[L6420]        CALL         ldv_consume_skb_17(skb)
[L6986]        CALL         ldv_skb_free(ldv_func_arg1)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=1, \old(skb)={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7173]        CALL         ldv_set_remove(LDV_SKBS, skb)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(e)={0:0}, \old(last_index)=1, \old(set)={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7051]                     int i ;
[L7052]                     int deleted_index ;
[L7054]                     deleted_index = -1
[L7055]                     i = 0
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(e)={0:0}, \old(last_index)=1, \old(set)={0:0}, __this_module={4294967360:4294967327}, deleted_index=-1, disc_data_lock={22:0}, e={0:0}, i=0, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7057]        COND TRUE    i < last_index
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(e)={0:0}, \old(last_index)=1, \old(set)={0:0}, __this_module={4294967360:4294967327}, deleted_index=-1, disc_data_lock={22:0}, e={0:0}, i=0, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7061]        EXPR         set_impl[i]
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(e)={0:0}, \old(last_index)=1, \old(set)={0:0}, __this_module={4294967360:4294967327}, deleted_index=-1, disc_data_lock={22:0}, e={0:0}, i=0, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7061]        COND FALSE   !((unsigned long )set_impl[i] == (unsigned long )e)
[L7066]                     i = i + 1
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(e)={0:0}, \old(last_index)=1, \old(set)={0:0}, __this_module={4294967360:4294967327}, deleted_index=-1, disc_data_lock={22:0}, e={0:0}, i=1, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7057]        COND FALSE   !(i < last_index)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(e)={0:0}, \old(last_index)=1, \old(set)={0:0}, __this_module={4294967360:4294967327}, deleted_index=-1, disc_data_lock={22:0}, e={0:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7068]        COND FALSE   !(deleted_index != -1)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(e)={0:0}, \old(last_index)=1, \old(set)={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, e={0:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7173]        RET          ldv_set_remove(LDV_SKBS, skb)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=1, \old(skb)={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={0:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6986]        RET          ldv_skb_free(ldv_func_arg1)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_func_arg1={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6420]        RET          ldv_consume_skb_17(skb)
[L6421]                     skb = npkt
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={-(((__int128) 0 << 64) | 18446744073709551615U):0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6424]        CALL         skb_push(skb, 2U)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(arg0)={-(((__int128) 0 << 64) | 18446744073709551615U):0}, \old(arg1)=2, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7330]        CALL, EXPR   ldv_malloc(sizeof(unsigned char))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=1, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5614]                     void *p ;
[L5615]                     void *tmp ;
[L5616]                     int tmp___0 ;
[L5618]                     tmp___0 = __VERIFIER_nondet_int()
[L5619]        COND TRUE    tmp___0 != 0
[L5620]                     return ((void *)0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(size)=1, \result={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, size=1, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7330]        RET, EXPR    ldv_malloc(sizeof(unsigned char))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(arg0)={-(((__int128) 0 << 64) | 18446744073709551615U):0}, \old(arg1)=2, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7330]                     return ldv_malloc(sizeof(unsigned char));
[L6424]        RET          skb_push(skb, 2U)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={-(((__int128) 0 << 64) | 18446744073709551615U):0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6425]        EXPR         skb->data
[L6425]                     *(skb->data) = 255U
[L6426]        EXPR         skb->data
[L6426]                     *(skb->data + 1UL) = 3U
[L6429]                     ap->last_xmit = jiffies
[L6430]                     (unsigned long )skb != (unsigned long )((struct sk_buff *)0) && (ap->flags & 262144U) != 0U
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={-(((__int128) 0 << 64) | 18446744073709551615U):0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6430]                     (unsigned long )skb != (unsigned long )((struct sk_buff *)0) && (ap->flags & 262144U) != 0U
[L6430]        EXPR         ap->flags
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6430]        EXPR         ap->flags & 262144U
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={-(((__int128) 0 << 64) | 18446744073709551615U):0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6430]                     (unsigned long )skb != (unsigned long )((struct sk_buff *)0) && (ap->flags & 262144U) != 0U
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, skb={-(((__int128) 0 << 64) | 18446744073709551615U):0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6430]        COND FALSE   !((unsigned long )skb != (unsigned long )((struct sk_buff *)0) && (ap->flags & 262144U) != 0U)
[L6434]                     return (skb);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \result={-(((__int128) 0 << 64) | 18446744073709551615U):0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6449]        RET, EXPR    ppp_sync_txmunge(ap, skb)
[L6449]                     skb = ppp_sync_txmunge(ap, skb)
[L6450]        COND TRUE    (unsigned long )skb != (unsigned long )((struct sk_buff *)0)
[L6451]                     ap->tpkt = skb
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6455]        CALL         ppp_sync_push(ap)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=1, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6461]                     int sent ;
[L6462]                     int done ;
[L6463]                     struct tty_struct *tty ;
[L6464]                     int tty_stuffed ;
[L6465]                     int tmp ;
[L6466]                     int tmp___0 ;
[L6467]                     int tmp___1 ;
[L6468]                     int tmp___2 ;
[L6470]                     done = 0
[L6471]        EXPR         ap->tty
[L6471]                     tty = ap->tty
[L6472]                     tty_stuffed = 0
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(ap)={4294967300:27}, \old(last_index)=1, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, done=0, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tty={4294967312:4294967332}, tty_stuffed=0]
[L6473]        CALL, EXPR   spin_trylock_bh(& ap->xmit_lock)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=1, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5417]                     int tmp ;
[L5419]        CALL, EXPR   _raw_spin_trylock_bh(& lock->ldv_6338.rlock)
[L7268]                     return __VERIFIER_nondet_int();
[L5419]        RET, EXPR    _raw_spin_trylock_bh(& lock->ldv_6338.rlock)
[L5419]                     tmp = _raw_spin_trylock_bh(& lock->ldv_6338.rlock)
[L5420]                     return (tmp);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(last_index)=1, \old(lock)={4294967300:47}, \result=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6473]        RET, EXPR    spin_trylock_bh(& ap->xmit_lock)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(ap)={4294967300:27}, \old(last_index)=1, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, done=0, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tty={4294967312:4294967332}, tty_stuffed=0]
[L6473]                     tmp = spin_trylock_bh(& ap->xmit_lock)
[L6474]        COND TRUE    tmp == 0
[L6475]                     return (0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \old(ap)={4294967300:27}, \old(last_index)=1, \result=0, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, done=0, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tty={4294967312:4294967332}, tty_stuffed=0]
[L6455]        RET          ppp_sync_push(ap)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6456]                     return (1);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \result=1, __this_module={4294967360:4294967327}, ap={4294967300:27}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6882]        RET          ppp_sync_send(sync_ops_group0, ldvarg16)
[L6883]                     ldv_state_variable_2 = 1
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tmp___19=0]
[L6740]                     tmp___16 = __VERIFIER_nondet_int()
[L6742]                     case 0:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tmp___16=1, tmp___19=0]
[L6742]                     case 0:
[L6838]                     case 1:
[L6840]                     tmp___18 = __VERIFIER_nondet_int()
[L6842]                     case 0:
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tmp___16=1, tmp___18=0, tmp___19=0]
[L6838]                     case 1:
[L6844]        CALL         ppp_sync_cleanup()
[L6627]                     int tmp ;
[L6629]        CALL, EXPR   tty_unregister_ldisc(14)
[L7366]                     return __VERIFIER_nondet_int();
[L6629]        RET, EXPR    tty_unregister_ldisc(14)
[L6629]                     tmp = tty_unregister_ldisc(14)
[L6630]        COND FALSE   !(tmp != 0)
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L6844]        RET          ppp_sync_cleanup()
[L6845]                     ldv_state_variable_0 = 2
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0=4294967305, ldvarg10={0:0}, ldvarg11=4294967314, ldvarg12={0:0}, ldvarg13={0:0}, ldvarg14=4294967335, ldvarg15=4294967306, ldvarg16={0:0}, ldvarg1=4294967331, ldvarg2={0:0}, ldvarg3=0, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8=4294967299, ldvarg9={0:0}, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}, tmp___16=1, tmp___18=0, tmp___19=0]
[L6907]        CALL         ldv_check_final_state()
[L7217]                     int tmp___7 ;
[L7219]        CALL, EXPR   ldv_set_is_empty(LDV_SKBS)
[L7108]                     return (last_index == 0);
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, \result=0, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7219]        RET, EXPR    ldv_set_is_empty(LDV_SKBS)
[L7219]                     tmp___7 = ldv_set_is_empty(LDV_SKBS)
[L7220]        COND FALSE   !(\read(tmp___7))
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L7222]        CALL         ldv_error()
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]
[L5666]                     reach_error()
               VAL          [LDV_IN_INTERRUPT=1, LDV_SKBS={0:0}, __this_module={4294967360:4294967327}, disc_data_lock={22:0}, jiffies=4294967316, last_index=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ppp_sync_ldisc={23:0}, ppp_sync_ldisc_group1={0:0}, ref_cnt=0, set_impl={24:0}, sync_ops={21:0}, sync_ops_group0={0:0}]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 50 procedures, 734 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 124.6s, OverallIterations: 18, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 97.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 mSolverCounterUnknown, 13261 SdHoareTripleChecker+Valid, 88.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12912 mSDsluCounter, 85555 SdHoareTripleChecker+Invalid, 87.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66906 mSDsCounter, 2409 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8317 IncrementalHoareTripleChecker+Invalid, 10746 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2409 mSolverCounterUnsat, 18649 mSDtfsCounter, 8317 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 772 GetRequests, 669 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18693occurred in iteration=17, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 15152 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 3681 NumberOfCodeBlocks, 3681 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3623 ConstructedInterpolants, 0 QuantifiedInterpolants, 5246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3383 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 6032/6070 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 14:55:53,348 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bab994-f0b6-4c59-a6f7-ff0fe01da97d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE