java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 18:31:00,348 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 18:31:00,351 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 18:31:00,369 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 18:31:00,369 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 18:31:00,371 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 18:31:00,373 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 18:31:00,385 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 18:31:00,387 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 18:31:00,388 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 18:31:00,389 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 18:31:00,392 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 18:31:00,392 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 18:31:00,396 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 18:31:00,399 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 18:31:00,401 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 18:31:00,402 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 18:31:00,406 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 18:31:00,408 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 18:31:00,413 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 18:31:00,418 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 18:31:00,419 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 18:31:00,422 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 18:31:00,423 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 18:31:00,426 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 18:31:00,427 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 18:31:00,427 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 18:31:00,429 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 18:31:00,430 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 18:31:00,432 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 18:31:00,432 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-10-13 18:31:00,435 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 18:31:00,436 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 18:31:00,438 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 18:31:00,438 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-10-13 18:31:00,439 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 18:31:00,443 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 18:31:00,443 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 18:31:00,463 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 18:31:00,463 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 18:31:00,467 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 18:31:00,467 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 18:31:00,467 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 18:31:00,468 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 18:31:00,468 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 18:31:00,468 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 18:31:00,468 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 18:31:00,468 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 18:31:00,469 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 18:31:00,469 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 18:31:00,469 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 18:31:00,469 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 18:31:00,469 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 18:31:00,469 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 18:31:00,470 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 18:31:00,470 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 18:31:00,470 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 18:31:00,470 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 18:31:00,470 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 18:31:00,471 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 18:31:00,471 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 18:31:00,471 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 18:31:00,471 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 18:31:00,471 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 18:31:00,472 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 18:31:00,472 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 18:31:00,472 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-13 18:31:00,748 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 18:31:00,761 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 18:31:00,764 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 18:31:00,766 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 18:31:00,766 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 18:31:00,767 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i
[2019-10-13 18:31:00,829 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c01250246/61a40013b327471396889719646a3eba/FLAG4f3f76fcd
[2019-10-13 18:31:01,636 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 18:31:01,637 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i
[2019-10-13 18:31:01,677 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c01250246/61a40013b327471396889719646a3eba/FLAG4f3f76fcd
[2019-10-13 18:31:02,182 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c01250246/61a40013b327471396889719646a3eba
[2019-10-13 18:31:02,193 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 18:31:02,195 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 18:31:02,196 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 18:31:02,196 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 18:31:02,200 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 18:31:02,201 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:31:02" (1/1) ...
[2019-10-13 18:31:02,205 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c0ee65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:02, skipping insertion in model container
[2019-10-13 18:31:02,205 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:31:02" (1/1) ...
[2019-10-13 18:31:02,214 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 18:31:02,346 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 18:31:03,892 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 18:31:03,932 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 18:31:04,232 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 18:31:04,468 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 18:31:04,469 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:04 WrapperNode
[2019-10-13 18:31:04,470 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 18:31:04,471 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 18:31:04,471 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 18:31:04,471 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 18:31:04,487 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:04" (1/1) ...
[2019-10-13 18:31:04,487 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:04" (1/1) ...
[2019-10-13 18:31:04,569 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:04" (1/1) ...
[2019-10-13 18:31:04,574 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:04" (1/1) ...
[2019-10-13 18:31:04,655 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:04" (1/1) ...
[2019-10-13 18:31:04,682 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:04" (1/1) ...
[2019-10-13 18:31:04,708 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:04" (1/1) ...
[2019-10-13 18:31:04,732 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 18:31:04,735 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 18:31:04,735 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 18:31:04,735 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 18:31:04,736 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:04" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 18:31:04,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 18:31:04,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 18:31:04,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int
[2019-10-13 18:31:04,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_bit
[2019-10-13 18:31:04,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure clear_bit
[2019-10-13 18:31:04,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure test_and_set_bit
[2019-10-13 18:31:04,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure test_and_clear_bit
[2019-10-13 18:31:04,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure constant_test_bit
[2019-10-13 18:31:04,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure spinlock_check
[2019-10-13 18:31:04,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock
[2019-10-13 18:31:04,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock_bh
[2019-10-13 18:31:04,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock
[2019-10-13 18:31:04,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_bh
[2019-10-13 18:31:04,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2019-10-13 18:31:04,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2019-10-13 18:31:04,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc_array
[2019-10-13 18:31:04,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure kcalloc
[2019-10-13 18:31:04,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure copy_to_user
[2019-10-13 18:31:04,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header
[2019-10-13 18:31:04,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2019-10-13 18:31:04,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2019-10-13 18:31:04,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2019-10-13 18:31:04,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr
[2019-10-13 18:31:04,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2019-10-13 18:31:04,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2019-10-13 18:31:04,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2019-10-13 18:31:04,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2019-10-13 18:31:04,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap
[2019-10-13 18:31:04,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure compat_ptr
[2019-10-13 18:31:04,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue
[2019-10-13 18:31:04,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_priv
[2019-10-13 18:31:04,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue
[2019-10-13 18:31:04,822 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_start_queue
[2019-10-13 18:31:04,822 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue
[2019-10-13 18:31:04,822 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_wake_queue
[2019-10-13 18:31:04,822 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue
[2019-10-13 18:31:04,822 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_stop_queue
[2019-10-13 18:31:04,822 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped
[2019-10-13 18:31:04,823 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_queue_stopped
[2019-10-13 18:31:04,823 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_running
[2019-10-13 18:31:04,823 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_type_trans
[2019-10-13 18:31:04,823 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_alloc
[2019-10-13 18:31:04,823 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_free
[2019-10-13 18:31:04,823 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_change_mtu
[2019-10-13 18:31:04,823 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_lock
[2019-10-13 18:31:04,824 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_unlock
[2019-10-13 18:31:04,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_bump
[2019-10-13 18:31:04,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_encaps
[2019-10-13 18:31:04,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_write_wakeup
[2019-10-13 18:31:04,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_timeout
[2019-10-13 18:31:04,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_xmit
[2019-10-13 18:31:04,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_data_indication
[2019-10-13 18:31:04,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_data_transmit
[2019-10-13 18:31:04,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_connected
[2019-10-13 18:31:04,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_disconnected
[2019-10-13 18:31:04,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_open
[2019-10-13 18:31:04,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_close
[2019-10-13 18:31:04,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_receive_buf
[2019-10-13 18:31:04,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_open_tty
[2019-10-13 18:31:04,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_close_tty
[2019-10-13 18:31:04,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_esc
[2019-10-13 18:31:04,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_unesc
[2019-10-13 18:31:04,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_ioctl
[2019-10-13 18:31:04,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_compat_ioctl
[2019-10-13 18:31:04,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_open_dev
[2019-10-13 18:31:04,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure x25_asy_setup
[2019-10-13 18:31:04,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_x25_asy
[2019-10-13 18:31:04,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure exit_x25_asy
[2019-10-13 18:31:04,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_target_type_1
[2019-10-13 18:31:04,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize_lapb_register_struct_3
[2019-10-13 18:31:04,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2
[2019-10-13 18:31:04,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 18:31:04,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5
[2019-10-13 18:31:04,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6
[2019-10-13 18:31:04,833 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7
[2019-10-13 18:31:04,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8
[2019-10-13 18:31:04,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11
[2019-10-13 18:31:04,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_12
[2019-10-13 18:31:04,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_13
[2019-10-13 18:31:04,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14
[2019-10-13 18:31:04,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15
[2019-10-13 18:31:04,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_16
[2019-10-13 18:31:04,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17
[2019-10-13 18:31:04,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18
[2019-10-13 18:31:04,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19
[2019-10-13 18:31:04,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20
[2019-10-13 18:31:04,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_21
[2019-10-13 18:31:04,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_22
[2019-10-13 18:31:04,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_24
[2019-10-13 18:31:04,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_26
[2019-10-13 18:31:04,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_27
[2019-10-13 18:31:04,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_28
[2019-10-13 18:31:04,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_init
[2019-10-13 18:31:04,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_add
[2019-10-13 18:31:04,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_remove
[2019-10-13 18:31:04,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_contains
[2019-10-13 18:31:04,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty
[2019-10-13 18:31:04,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err
[2019-10-13 18:31:04,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_err_ptr
[2019-10-13 18:31:04,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ptr_err
[2019-10-13 18:31:04,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null
[2019-10-13 18:31:04,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc
[2019-10-13 18:31:04,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2019-10-13 18:31:04,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free
[2019-10-13 18:31:04,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int
[2019-10-13 18:31:04,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb
[2019-10-13 18:31:04,842 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb
[2019-10-13 18:31:04,842 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_current
[2019-10-13 18:31:04,842 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2019-10-13 18:31:04,842 INFO  L138     BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow
[2019-10-13 18:31:04,842 INFO  L138     BoogieDeclarations]: Found implementation of procedure __netif_schedule
[2019-10-13 18:31:04,842 INFO  L138     BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init
[2019-10-13 18:31:04,843 INFO  L138     BoogieDeclarations]: Found implementation of procedure _copy_to_user
[2019-10-13 18:31:04,843 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_lock
[2019-10-13 18:31:04,843 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh
[2019-10-13 18:31:04,843 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock
[2019-10-13 18:31:04,843 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh
[2019-10-13 18:31:04,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs
[2019-10-13 18:31:04,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_close
[2019-10-13 18:31:04,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_netdev
[2019-10-13 18:31:04,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure lapb_connect_request
[2019-10-13 18:31:04,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure lapb_data_received
[2019-10-13 18:31:04,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure lapb_data_request
[2019-10-13 18:31:04,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request
[2019-10-13 18:31:04,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure lapb_register
[2019-10-13 18:31:04,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure lapb_unregister
[2019-10-13 18:31:04,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2
[2019-10-13 18:31:04,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2
[2019-10-13 18:31:04,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_probe_3
[2019-10-13 18:31:04,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure might_fault
[2019-10-13 18:31:04,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_err
[2019-10-13 18:31:04,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_warn
[2019-10-13 18:31:04,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2019-10-13 18:31:04,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure register_netdev
[2019-10-13 18:31:04,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure rtnl_lock
[2019-10-13 18:31:04,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure rtnl_unlock
[2019-10-13 18:31:04,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_pull
[2019-10-13 18:31:04,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_push
[2019-10-13 18:31:04,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_put
[2019-10-13 18:31:04,849 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer
[2019-10-13 18:31:04,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_driver_flush_buffer
[2019-10-13 18:31:04,853 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_hangup
[2019-10-13 18:31:04,853 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_ldisc_flush
[2019-10-13 18:31:04,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl
[2019-10-13 18:31:04,859 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_register_ldisc
[2019-10-13 18:31:04,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc
[2019-10-13 18:31:04,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure unregister_netdev
[2019-10-13 18:31:04,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure warn_slowpath_null
[2019-10-13 18:31:04,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure external_alloc
[2019-10-13 18:31:04,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2019-10-13 18:31:04,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2019-10-13 18:31:04,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2019-10-13 18:31:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 18:31:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2019-10-13 18:31:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure set_bit
[2019-10-13 18:31:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure clear_bit
[2019-10-13 18:31:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure test_and_set_bit
[2019-10-13 18:31:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure test_and_clear_bit
[2019-10-13 18:31:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure constant_test_bit
[2019-10-13 18:31:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 18:31:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2019-10-13 18:31:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure might_fault
[2019-10-13 18:31:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure sprintf
[2019-10-13 18:31:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure warn_slowpath_null
[2019-10-13 18:31:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure strlen
[2019-10-13 18:31:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure __xchg_wrong_size
[2019-10-13 18:31:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init
[2019-10-13 18:31:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_lock
[2019-10-13 18:31:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh
[2019-10-13 18:31:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_unlock
[2019-10-13 18:31:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh
[2019-10-13 18:31:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure spinlock_check
[2019-10-13 18:31:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock
[2019-10-13 18:31:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock_bh
[2019-10-13 18:31:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock
[2019-10-13 18:31:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_bh
[2019-10-13 18:31:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2019-10-13 18:31:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2019-10-13 18:31:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2019-10-13 18:31:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2019-10-13 18:31:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc_array
[2019-10-13 18:31:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure kcalloc
[2019-10-13 18:31:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure _copy_to_user
[2019-10-13 18:31:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow
[2019-10-13 18:31:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure copy_to_user
[2019-10-13 18:31:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6
[2019-10-13 18:31:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7
[2019-10-13 18:31:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8
[2019-10-13 18:31:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11
[2019-10-13 18:31:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15
[2019-10-13 18:31:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17
[2019-10-13 18:31:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18
[2019-10-13 18:31:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19
[2019-10-13 18:31:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20
[2019-10-13 18:31:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_22
[2019-10-13 18:31:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5
[2019-10-13 18:31:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_put
[2019-10-13 18:31:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_push
[2019-10-13 18:31:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_pull
[2019-10-13 18:31:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_reset_mac_header
[2019-10-13 18:31:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 18:31:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 18:31:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14
[2019-10-13 18:31:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_alloc
[2019-10-13 18:31:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free
[2019-10-13 18:31:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free_int
[2019-10-13 18:31:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-10-13 18:31:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2019-10-13 18:31:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 18:31:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2019-10-13 18:31:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2019-10-13 18:31:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-10-13 18:31:04,869 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-10-13 18:31:04,869 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-13 18:31:04,869 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2019-10-13 18:31:04,869 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2019-10-13 18:31:04,869 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2019-10-13 18:31:04,869 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ptr
[2019-10-13 18:31:04,869 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2019-10-13 18:31:04,870 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2019-10-13 18:31:04,870 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2019-10-13 18:31:04,870 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_trap
[2019-10-13 18:31:04,870 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_target_type_1
[2019-10-13 18:31:04,870 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize_lapb_register_struct_3
[2019-10-13 18:31:04,870 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2
[2019-10-13 18:31:04,870 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer
[2019-10-13 18:31:04,870 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_driver_flush_buffer
[2019-10-13 18:31:04,871 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_hangup
[2019-10-13 18:31:04,871 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_ldisc_flush
[2019-10-13 18:31:04,871 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_mode_ioctl
[2019-10-13 18:31:04,871 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_register_ldisc
[2019-10-13 18:31:04,871 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc
[2019-10-13 18:31:04,871 INFO  L130     BoogieDeclarations]: Found specification of procedure compat_ptr
[2019-10-13 18:31:04,871 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue
[2019-10-13 18:31:04,871 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_priv
[2019-10-13 18:31:04,872 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_close
[2019-10-13 18:31:04,872 INFO  L130     BoogieDeclarations]: Found specification of procedure free_netdev
[2019-10-13 18:31:04,872 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_free_netdev_13
[2019-10-13 18:31:04,872 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_free_netdev_28
[2019-10-13 18:31:04,872 INFO  L130     BoogieDeclarations]: Found specification of procedure __netif_schedule
[2019-10-13 18:31:04,872 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_tx_start_queue
[2019-10-13 18:31:04,872 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_start_queue
[2019-10-13 18:31:04,872 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue
[2019-10-13 18:31:04,873 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_wake_queue
[2019-10-13 18:31:04,873 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue
[2019-10-13 18:31:04,873 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 18:31:04,873 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_stop_queue
[2019-10-13 18:31:04,873 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped
[2019-10-13 18:31:04,873 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_queue_stopped
[2019-10-13 18:31:04,873 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_running
[2019-10-13 18:31:04,874 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_netif_rx_16
[2019-10-13 18:31:04,874 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_netif_rx_21
[2019-10-13 18:31:04,874 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_netif_rx_24
[2019-10-13 18:31:04,874 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_netif_rx_26
[2019-10-13 18:31:04,874 INFO  L130     BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs
[2019-10-13 18:31:04,874 INFO  L130     BoogieDeclarations]: Found specification of procedure register_netdev
[2019-10-13 18:31:04,874 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_register_netdev_12
[2019-10-13 18:31:04,875 INFO  L130     BoogieDeclarations]: Found specification of procedure unregister_netdev
[2019-10-13 18:31:04,875 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_27
[2019-10-13 18:31:04,875 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_err
[2019-10-13 18:31:04,875 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_warn
[2019-10-13 18:31:04,875 INFO  L130     BoogieDeclarations]: Found specification of procedure lapb_register
[2019-10-13 18:31:04,875 INFO  L130     BoogieDeclarations]: Found specification of procedure lapb_unregister
[2019-10-13 18:31:04,875 INFO  L130     BoogieDeclarations]: Found specification of procedure lapb_connect_request
[2019-10-13 18:31:04,875 INFO  L130     BoogieDeclarations]: Found specification of procedure lapb_disconnect_request
[2019-10-13 18:31:04,876 INFO  L130     BoogieDeclarations]: Found specification of procedure lapb_data_request
[2019-10-13 18:31:04,876 INFO  L130     BoogieDeclarations]: Found specification of procedure lapb_data_received
[2019-10-13 18:31:04,876 INFO  L130     BoogieDeclarations]: Found specification of procedure rtnl_lock
[2019-10-13 18:31:04,876 INFO  L130     BoogieDeclarations]: Found specification of procedure rtnl_unlock
[2019-10-13 18:31:04,876 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_type_trans
[2019-10-13 18:31:04,876 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 18:31:04,876 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_esc
[2019-10-13 18:31:04,877 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_unesc
[2019-10-13 18:31:04,877 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_setup
[2019-10-13 18:31:04,877 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_alloc
[2019-10-13 18:31:04,877 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 18:31:04,877 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_free
[2019-10-13 18:31:04,877 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2019-10-13 18:31:04,877 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_change_mtu
[2019-10-13 18:31:04,878 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2019-10-13 18:31:04,878 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_lock
[2019-10-13 18:31:04,878 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_unlock
[2019-10-13 18:31:04,878 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_bump
[2019-10-13 18:31:04,878 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_encaps
[2019-10-13 18:31:04,878 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int
[2019-10-13 18:31:04,878 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_write_wakeup
[2019-10-13 18:31:04,879 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_timeout
[2019-10-13 18:31:04,879 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_xmit
[2019-10-13 18:31:04,879 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_data_indication
[2019-10-13 18:31:04,879 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_data_transmit
[2019-10-13 18:31:04,879 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_connected
[2019-10-13 18:31:04,879 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_disconnected
[2019-10-13 18:31:04,879 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_open
[2019-10-13 18:31:04,879 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_close
[2019-10-13 18:31:04,880 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_receive_buf
[2019-10-13 18:31:04,880 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_open_tty
[2019-10-13 18:31:04,880 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_close_tty
[2019-10-13 18:31:04,880 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_ioctl
[2019-10-13 18:31:04,880 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_compat_ioctl
[2019-10-13 18:31:04,880 INFO  L130     BoogieDeclarations]: Found specification of procedure x25_asy_open_dev
[2019-10-13 18:31:04,880 INFO  L130     BoogieDeclarations]: Found specification of procedure init_x25_asy
[2019-10-13 18:31:04,881 INFO  L130     BoogieDeclarations]: Found specification of procedure exit_x25_asy
[2019-10-13 18:31:04,881 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2
[2019-10-13 18:31:04,881 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2
[2019-10-13 18:31:04,881 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2019-10-13 18:31:04,881 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2019-10-13 18:31:04,882 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_probe_3
[2019-10-13 18:31:04,882 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 18:31:04,882 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_init
[2019-10-13 18:31:04,882 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_add
[2019-10-13 18:31:04,882 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_remove
[2019-10-13 18:31:04,882 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_contains
[2019-10-13 18:31:04,883 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_is_empty
[2019-10-13 18:31:04,883 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err
[2019-10-13 18:31:04,883 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_err_ptr
[2019-10-13 18:31:04,883 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ptr_err
[2019-10-13 18:31:04,883 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null
[2019-10-13 18:31:04,883 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb
[2019-10-13 18:31:04,883 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb
[2019-10-13 18:31:04,883 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_current
[2019-10-13 18:31:04,884 INFO  L130     BoogieDeclarations]: Found specification of procedure external_alloc
[2019-10-13 18:31:04,884 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-13 18:31:04,884 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 18:31:04,884 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-10-13 18:31:04,884 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 18:31:04,884 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 18:31:04,884 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2019-10-13 18:31:04,884 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2019-10-13 18:31:04,885 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2019-10-13 18:31:04,885 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2019-10-13 18:31:05,843 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2019-10-13 18:31:07,782 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 18:31:07,782 INFO  L284             CfgBuilder]: Removed 4 assume(true) statements.
[2019-10-13 18:31:07,785 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:31:07 BoogieIcfgContainer
[2019-10-13 18:31:07,785 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 18:31:07,787 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 18:31:07,787 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 18:31:07,790 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 18:31:07,791 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:31:02" (1/3) ...
[2019-10-13 18:31:07,791 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7b888c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:31:07, skipping insertion in model container
[2019-10-13 18:31:07,792 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:31:04" (2/3) ...
[2019-10-13 18:31:07,792 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7b888c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:31:07, skipping insertion in model container
[2019-10-13 18:31:07,792 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:31:07" (3/3) ...
[2019-10-13 18:31:07,794 INFO  L109   eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i
[2019-10-13 18:31:07,808 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 18:31:07,824 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 18:31:07,840 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 18:31:07,894 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 18:31:07,894 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 18:31:07,894 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 18:31:07,895 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 18:31:07,895 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 18:31:07,895 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 18:31:07,895 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 18:31:07,895 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 18:31:07,961 INFO  L276                IsEmpty]: Start isEmpty. Operand 1061 states.
[2019-10-13 18:31:08,003 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2019-10-13 18:31:08,004 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:31:08,005 INFO  L380         BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 18:31:08,010 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:31:08,019 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:31:08,020 INFO  L82        PathProgramCache]: Analyzing trace with hash -663033153, now seen corresponding path program 1 times
[2019-10-13 18:31:08,030 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:31:08,031 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012142129]
[2019-10-13 18:31:08,031 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:31:08,031 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:31:08,032 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:31:08,401 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,306 WARN  L191               SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 253
[2019-10-13 18:31:09,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,407 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:09,562 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2019-10-13 18:31:09,562 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012142129]
[2019-10-13 18:31:09,563 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:31:09,564 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-10-13 18:31:09,564 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891874730]
[2019-10-13 18:31:09,569 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-10-13 18:31:09,569 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:31:09,584 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-10-13 18:31:09,584 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2019-10-13 18:31:09,588 INFO  L87              Difference]: Start difference. First operand 1061 states. Second operand 8 states.
[2019-10-13 18:31:10,110 WARN  L191               SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 256
[2019-10-13 18:31:11,454 WARN  L191               SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 258
[2019-10-13 18:31:13,674 WARN  L191               SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 255
[2019-10-13 18:31:35,041 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 18:31:35,042 INFO  L93              Difference]: Finished difference Result 4334 states and 6493 transitions.
[2019-10-13 18:31:35,042 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2019-10-13 18:31:35,043 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 75
[2019-10-13 18:31:35,044 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 18:31:35,106 INFO  L225             Difference]: With dead ends: 4334
[2019-10-13 18:31:35,106 INFO  L226             Difference]: Without dead ends: 3284
[2019-10-13 18:31:35,118 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506
[2019-10-13 18:31:35,144 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3284 states.
[2019-10-13 18:31:35,602 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3284 to 1910.
[2019-10-13 18:31:35,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1910 states.
[2019-10-13 18:31:35,615 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 2458 transitions.
[2019-10-13 18:31:35,618 INFO  L78                 Accepts]: Start accepts. Automaton has 1910 states and 2458 transitions. Word has length 75
[2019-10-13 18:31:35,619 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 18:31:35,619 INFO  L462      AbstractCegarLoop]: Abstraction has 1910 states and 2458 transitions.
[2019-10-13 18:31:35,619 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-10-13 18:31:35,620 INFO  L276                IsEmpty]: Start isEmpty. Operand 1910 states and 2458 transitions.
[2019-10-13 18:31:35,627 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2019-10-13 18:31:35,627 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:31:35,628 INFO  L380         BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 18:31:35,628 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:31:35,628 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:31:35,628 INFO  L82        PathProgramCache]: Analyzing trace with hash -859275162, now seen corresponding path program 1 times
[2019-10-13 18:31:35,629 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:31:35,629 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257739835]
[2019-10-13 18:31:35,629 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:31:35,629 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:31:35,629 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:31:35,677 ERROR L273   tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2019-10-13 18:31:35,678 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2031643367]
[2019-10-13 18:31:35,678 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 18:31:36,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:31:36,106 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 6 conjunts are in the unsatisfiable core
[2019-10-13 18:31:36,118 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 18:31:36,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2019-10-13 18:31:36,194 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257739835]
[2019-10-13 18:31:36,194 INFO  L337   tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2019-10-13 18:31:36,194 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031643367]
[2019-10-13 18:31:36,194 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:31:36,194 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 18:31:36,195 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12976254]
[2019-10-13 18:31:36,196 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 18:31:36,197 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:31:36,197 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 18:31:36,197 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-13 18:31:36,197 INFO  L87              Difference]: Start difference. First operand 1910 states and 2458 transitions. Second operand 5 states.