/usr/bin/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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.24-fb55353
[2019-11-06 20:05:22,021 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-06 20:05:22,023 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-06 20:05:22,035 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-06 20:05:22,036 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-06 20:05:22,037 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-06 20:05:22,038 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-06 20:05:22,040 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-06 20:05:22,042 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-06 20:05:22,043 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-06 20:05:22,049 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-06 20:05:22,050 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-06 20:05:22,051 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-06 20:05:22,051 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-06 20:05:22,053 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-06 20:05:22,054 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-06 20:05:22,055 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-06 20:05:22,060 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-06 20:05:22,062 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-06 20:05:22,064 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-06 20:05:22,065 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-06 20:05:22,066 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-06 20:05:22,067 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-06 20:05:22,068 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-06 20:05:22,070 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-06 20:05:22,070 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-06 20:05:22,071 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-06 20:05:22,072 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-06 20:05:22,072 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-06 20:05:22,073 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-06 20:05:22,073 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-11-06 20:05:22,074 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-06 20:05:22,075 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-06 20:05:22,076 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-06 20:05:22,076 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-11-06 20:05:22,078 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-11-06 20:05:22,079 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-06 20:05:22,080 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
[2019-11-06 20:05:22,094 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-06 20:05:22,094 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-06 20:05:22,095 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-06 20:05:22,095 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-06 20:05:22,096 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-06 20:05:22,096 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-06 20:05:22,099 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-06 20:05:22,099 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-06 20:05:22,099 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-06 20:05:22,099 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-06 20:05:22,100 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-06 20:05:22,100 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-06 20:05:22,100 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-06 20:05:22,100 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-06 20:05:22,100 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-06 20:05:22,101 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-06 20:05:22,101 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-06 20:05:22,101 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-06 20:05:22,101 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-06 20:05:22,101 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-06 20:05:22,102 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-06 20:05:22,102 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 20:05:22,102 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-06 20:05:22,102 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-06 20:05:22,102 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-06 20:05:22,103 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-06 20:05:22,104 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-06 20:05:22,104 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-06 20:05:22,104 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-06 20:05:22,371 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-06 20:05:22,389 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-06 20:05:22,393 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-06 20:05:22,395 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-06 20:05:22,395 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-06 20:05:22,396 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i
[2019-11-06 20:05:22,470 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1629f2b0/3747d41b2d784f7393ef3e10a0e8ca55/FLAGe94c8e7dd
[2019-11-06 20:05:23,309 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-06 20:05:23,311 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i
[2019-11-06 20:05:23,362 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1629f2b0/3747d41b2d784f7393ef3e10a0e8ca55/FLAGe94c8e7dd
[2019-11-06 20:05:23,835 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1629f2b0/3747d41b2d784f7393ef3e10a0e8ca55
[2019-11-06 20:05:23,843 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-06 20:05:23,844 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-06 20:05:23,845 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-06 20:05:23,846 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-06 20:05:23,849 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-06 20:05:23,850 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:05:23" (1/1) ...
[2019-11-06 20:05:23,853 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6eaae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:23, skipping insertion in model container
[2019-11-06 20:05:23,853 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:05:23" (1/1) ...
[2019-11-06 20:05:23,860 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-06 20:05:23,962 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-06 20:05:25,252 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 20:05:25,292 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-06 20:05:25,560 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 20:05:25,691 INFO  L192         MainTranslator]: Completed translation
[2019-11-06 20:05:25,693 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:25 WrapperNode
[2019-11-06 20:05:25,693 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-06 20:05:25,695 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-06 20:05:25,695 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-06 20:05:25,695 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-06 20:05:25,717 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:25" (1/1) ...
[2019-11-06 20:05:25,718 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:25" (1/1) ...
[2019-11-06 20:05:25,796 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:25" (1/1) ...
[2019-11-06 20:05:25,796 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:25" (1/1) ...
[2019-11-06 20:05:25,932 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:25" (1/1) ...
[2019-11-06 20:05:25,943 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:25" (1/1) ...
[2019-11-06 20:05:25,953 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:25" (1/1) ...
[2019-11-06 20:05:25,967 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-06 20:05:25,967 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-06 20:05:25,967 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-06 20:05:25,968 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-06 20:05:25,969 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:25" (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
[2019-11-06 20:05:26,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-06 20:05:26,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-06 20:05:26,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_read
[2019-11-06 20:05:26,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_end_pointer
[2019-11-06 20:05:26,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_cloned
[2019-11-06 20:05:26,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear
[2019-11-06 20:05:26,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer
[2019-11-06 20:05:26,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer
[2019-11-06 20:05:26,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_headroom
[2019-11-06 20:05:26,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_tailroom
[2019-11-06 20:05:26,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2019-11-06 20:05:26,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2019-11-06 20:05:26,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2019-11-06 20:05:26,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr
[2019-11-06 20:05:26,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2019-11-06 20:05:26,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2019-11-06 20:05:26,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2019-11-06 20:05:26,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2019-11-06 20:05:26,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap
[2019-11-06 20:05:26,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any
[2019-11-06 20:05:26,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure __create_pipe
[2019-11-06 20:05:26,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup
[2019-11-06 20:05:26,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup
[2019-11-06 20:05:26,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure genelink_bind
[2019-11-06 20:05:26,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure gl620a_driver_init
[2019-11-06 20:05:26,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure gl620a_driver_exit
[2019-11-06 20:05:26,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2
[2019-11-06 20:05:26,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1
[2019-11-06 20:05:26,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-11-06 20:05:26,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5
[2019-11-06 20:05:26,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6
[2019-11-06 20:05:26,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7
[2019-11-06 20:05:26,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8
[2019-11-06 20:05:26,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11
[2019-11-06 20:05:26,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12
[2019-11-06 20:05:26,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13
[2019-11-06 20:05:26,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14
[2019-11-06 20:05:26,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_init
[2019-11-06 20:05:26,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_add
[2019-11-06 20:05:26,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_remove
[2019-11-06 20:05:26,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_contains
[2019-11-06 20:05:26,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty
[2019-11-06 20:05:26,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err
[2019-11-06 20:05:26,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_err_ptr
[2019-11-06 20:05:26,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ptr_err
[2019-11-06 20:05:26,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null
[2019-11-06 20:05:26,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc
[2019-11-06 20:05:26,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2019-11-06 20:05:26,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free
[2019-11-06 20:05:26,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int
[2019-11-06 20:05:26,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb
[2019-11-06 20:05:26,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb
[2019-11-06 20:05:26,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_current
[2019-11-06 20:05:26,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2019-11-06 20:05:26,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any
[2019-11-06 20:05:26,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg
[2019-11-06 20:05:26,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_release_2
[2019-11-06 20:05:26,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1
[2019-11-06 20:05:26,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_copy_expand
[2019-11-06 20:05:26,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_pull
[2019-11-06 20:05:26,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_push
[2019-11-06 20:05:26,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_put
[2019-11-06 20:05:26,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_deregister
[2019-11-06 20:05:26,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_register_driver
[2019-11-06 20:05:26,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_disconnect
[2019-11-06 20:05:26,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_probe
[2019-11-06 20:05:26,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_resume
[2019-11-06 20:05:26,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_skb_return
[2019-11-06 20:05:26,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_suspend
[2019-11-06 20:05:26,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure external_alloc
[2019-11-06 20:05:26,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2019-11-06 20:05:26,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2019-11-06 20:05:26,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2019-11-06 20:05:26,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2019-11-06 20:05:26,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove
[2019-11-06 20:05:26,058 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-06 20:05:26,059 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2019-11-06 20:05:26,059 INFO  L130     BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg
[2019-11-06 20:05:26,059 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2019-11-06 20:05:26,059 INFO  L130     BoogieDeclarations]: Found specification of procedure memmove
[2019-11-06 20:05:26,059 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_read
[2019-11-06 20:05:26,059 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-11-06 20:05:26,060 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6
[2019-11-06 20:05:26,060 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7
[2019-11-06 20:05:26,060 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8
[2019-11-06 20:05:26,060 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11
[2019-11-06 20:05:26,060 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5
[2019-11-06 20:05:26,060 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12
[2019-11-06 20:05:26,060 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_copy_expand
[2019-11-06 20:05:26,061 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_end_pointer
[2019-11-06 20:05:26,061 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-11-06 20:05:26,061 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_cloned
[2019-11-06 20:05:26,061 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_is_nonlinear
[2019-11-06 20:05:26,061 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer
[2019-11-06 20:05:26,061 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-11-06 20:05:26,061 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer
[2019-11-06 20:05:26,062 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_put
[2019-11-06 20:05:26,062 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_push
[2019-11-06 20:05:26,062 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_pull
[2019-11-06 20:05:26,062 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_headroom
[2019-11-06 20:05:26,062 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_tailroom
[2019-11-06 20:05:26,062 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_alloc
[2019-11-06 20:05:26,062 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free
[2019-11-06 20:05:26,063 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-11-06 20:05:26,063 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2019-11-06 20:05:26,063 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-06 20:05:26,063 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2019-11-06 20:05:26,063 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-11-06 20:05:26,063 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-11-06 20:05:26,063 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2019-11-06 20:05:26,064 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-11-06 20:05:26,064 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2019-11-06 20:05:26,064 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2019-11-06 20:05:26,064 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2019-11-06 20:05:26,064 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ptr
[2019-11-06 20:05:26,064 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2019-11-06 20:05:26,064 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2019-11-06 20:05:26,065 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2019-11-06 20:05:26,065 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_trap
[2019-11-06 20:05:26,065 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2
[2019-11-06 20:05:26,065 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1
[2019-11-06 20:05:26,065 INFO  L130     BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any
[2019-11-06 20:05:26,065 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any
[2019-11-06 20:05:26,065 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_register_driver
[2019-11-06 20:05:26,066 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13
[2019-11-06 20:05:26,066 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_deregister
[2019-11-06 20:05:26,066 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14
[2019-11-06 20:05:26,066 INFO  L130     BoogieDeclarations]: Found specification of procedure __create_pipe
[2019-11-06 20:05:26,066 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2019-11-06 20:05:26,066 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_probe
[2019-11-06 20:05:26,066 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_suspend
[2019-11-06 20:05:26,067 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_resume
[2019-11-06 20:05:26,067 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_disconnect
[2019-11-06 20:05:26,067 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_skb_return
[2019-11-06 20:05:26,067 INFO  L130     BoogieDeclarations]: Found specification of procedure genelink_rx_fixup
[2019-11-06 20:05:26,067 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-06 20:05:26,067 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2019-11-06 20:05:26,067 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-11-06 20:05:26,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-11-06 20:05:26,068 INFO  L130     BoogieDeclarations]: Found specification of procedure genelink_tx_fixup
[2019-11-06 20:05:26,068 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove
[2019-11-06 20:05:26,068 INFO  L130     BoogieDeclarations]: Found specification of procedure genelink_bind
[2019-11-06 20:05:26,068 INFO  L130     BoogieDeclarations]: Found specification of procedure gl620a_driver_init
[2019-11-06 20:05:26,068 INFO  L130     BoogieDeclarations]: Found specification of procedure gl620a_driver_exit
[2019-11-06 20:05:26,069 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1
[2019-11-06 20:05:26,069 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_release_2
[2019-11-06 20:05:26,069 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2019-11-06 20:05:26,069 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2019-11-06 20:05:26,069 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-11-06 20:05:26,069 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2019-11-06 20:05:26,069 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_init
[2019-11-06 20:05:26,070 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_add
[2019-11-06 20:05:26,070 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_remove
[2019-11-06 20:05:26,070 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_contains
[2019-11-06 20:05:26,070 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_is_empty
[2019-11-06 20:05:26,070 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err
[2019-11-06 20:05:26,070 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_err_ptr
[2019-11-06 20:05:26,070 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ptr_err
[2019-11-06 20:05:26,071 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null
[2019-11-06 20:05:26,071 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free_int
[2019-11-06 20:05:26,071 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb
[2019-11-06 20:05:26,071 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb
[2019-11-06 20:05:26,071 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_current
[2019-11-06 20:05:26,071 INFO  L130     BoogieDeclarations]: Found specification of procedure external_alloc
[2019-11-06 20:05:26,071 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-11-06 20:05:26,071 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2019-11-06 20:05:26,072 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-06 20:05:26,072 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-06 20:05:26,072 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-11-06 20:05:26,072 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2019-11-06 20:05:26,072 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-06 20:05:26,072 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2019-11-06 20:05:26,072 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2019-11-06 20:05:26,072 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2019-11-06 20:05:26,615 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2019-11-06 20:05:29,003 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-06 20:05:29,004 INFO  L284             CfgBuilder]: Removed 4 assume(true) statements.
[2019-11-06 20:05:29,005 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:05:29 BoogieIcfgContainer
[2019-11-06 20:05:29,005 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-06 20:05:29,006 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-06 20:05:29,007 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-06 20:05:29,010 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-06 20:05:29,010 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:05:23" (1/3) ...
[2019-11-06 20:05:29,011 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a9050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:05:29, skipping insertion in model container
[2019-11-06 20:05:29,012 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:05:25" (2/3) ...
[2019-11-06 20:05:29,012 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a9050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:05:29, skipping insertion in model container
[2019-11-06 20:05:29,012 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:05:29" (3/3) ...
[2019-11-06 20:05:29,014 INFO  L109   eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i
[2019-11-06 20:05:29,023 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-06 20:05:29,034 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-06 20:05:29,045 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-06 20:05:29,072 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-06 20:05:29,072 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-06 20:05:29,072 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-06 20:05:29,072 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-06 20:05:29,072 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-06 20:05:29,072 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-06 20:05:29,073 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-06 20:05:29,073 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-06 20:05:29,099 INFO  L276                IsEmpty]: Start isEmpty. Operand 375 states.
[2019-11-06 20:05:29,124 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2019-11-06 20:05:29,124 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 20:05:29,126 INFO  L410         BasicCegarLoop]: trace histogram [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]
[2019-11-06 20:05:29,128 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 20:05:29,133 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 20:05:29,134 INFO  L82        PathProgramCache]: Analyzing trace with hash -770013367, now seen corresponding path program 1 times
[2019-11-06 20:05:29,142 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 20:05:29,142 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748033347]
[2019-11-06 20:05:29,142 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 20:05:29,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,152 WARN  L191               SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 256
[2019-11-06 20:05:30,164 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,270 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:30,424 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2019-11-06 20:05:30,424 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748033347]
[2019-11-06 20:05:30,425 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 20:05:30,425 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-11-06 20:05:30,426 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149671700]
[2019-11-06 20:05:30,431 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-11-06 20:05:30,431 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 20:05:30,445 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-11-06 20:05:30,445 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2019-11-06 20:05:30,447 INFO  L87              Difference]: Start difference. First operand 375 states. Second operand 8 states.
[2019-11-06 20:05:34,901 WARN  L191               SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 258
[2019-11-06 20:05:42,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 20:05:42,177 INFO  L93              Difference]: Finished difference Result 1320 states and 1816 transitions.
[2019-11-06 20:05:42,177 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2019-11-06 20:05:42,178 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 66
[2019-11-06 20:05:42,179 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 20:05:42,206 INFO  L225             Difference]: With dead ends: 1320
[2019-11-06 20:05:42,206 INFO  L226             Difference]: Without dead ends: 950
[2019-11-06 20:05:42,215 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462
[2019-11-06 20:05:42,234 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 950 states.
[2019-11-06 20:05:42,419 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 626.
[2019-11-06 20:05:42,421 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 626 states.
[2019-11-06 20:05:42,426 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 778 transitions.
[2019-11-06 20:05:42,428 INFO  L78                 Accepts]: Start accepts. Automaton has 626 states and 778 transitions. Word has length 66
[2019-11-06 20:05:42,428 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 20:05:42,429 INFO  L462      AbstractCegarLoop]: Abstraction has 626 states and 778 transitions.
[2019-11-06 20:05:42,429 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-11-06 20:05:42,429 INFO  L276                IsEmpty]: Start isEmpty. Operand 626 states and 778 transitions.
[2019-11-06 20:05:42,434 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2019-11-06 20:05:42,434 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 20:05:42,434 INFO  L410         BasicCegarLoop]: trace histogram [3, 3, 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]
[2019-11-06 20:05:42,436 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 20:05:42,436 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 20:05:42,437 INFO  L82        PathProgramCache]: Analyzing trace with hash 179693087, now seen corresponding path program 1 times
[2019-11-06 20:05:42,437 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 20:05:42,437 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804934775]
[2019-11-06 20:05:42,437 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 20:05:42,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,184 WARN  L191               SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 256
[2019-11-06 20:05:43,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:43,486 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2019-11-06 20:05:43,486 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804934775]
[2019-11-06 20:05:43,486 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 20:05:43,487 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2019-11-06 20:05:43,487 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152660266]
[2019-11-06 20:05:43,489 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 12 states
[2019-11-06 20:05:43,489 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 20:05:43,489 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2019-11-06 20:05:43,489 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132
[2019-11-06 20:05:43,489 INFO  L87              Difference]: Start difference. First operand 626 states and 778 transitions. Second operand 12 states.
[2019-11-06 20:05:46,707 WARN  L191               SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 258
[2019-11-06 20:05:49,634 WARN  L191               SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261
[2019-11-06 20:05:50,308 WARN  L191               SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 261
[2019-11-06 20:05:50,797 WARN  L191               SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 261
[2019-11-06 20:05:54,785 WARN  L191               SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 266
[2019-11-06 20:05:56,007 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 20:05:56,007 INFO  L93              Difference]: Finished difference Result 2249 states and 2986 transitions.
[2019-11-06 20:05:56,008 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2019-11-06 20:05:56,008 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 82
[2019-11-06 20:05:56,008 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 20:05:56,020 INFO  L225             Difference]: With dead ends: 2249
[2019-11-06 20:05:56,020 INFO  L226             Difference]: Without dead ends: 1624
[2019-11-06 20:05:56,026 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=203, Invalid=447, Unknown=0, NotChecked=0, Total=650
[2019-11-06 20:05:56,028 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1624 states.
[2019-11-06 20:05:56,234 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1273.
[2019-11-06 20:05:56,234 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1273 states.
[2019-11-06 20:05:56,241 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1611 transitions.
[2019-11-06 20:05:56,242 INFO  L78                 Accepts]: Start accepts. Automaton has 1273 states and 1611 transitions. Word has length 82
[2019-11-06 20:05:56,242 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 20:05:56,243 INFO  L462      AbstractCegarLoop]: Abstraction has 1273 states and 1611 transitions.
[2019-11-06 20:05:56,243 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2019-11-06 20:05:56,243 INFO  L276                IsEmpty]: Start isEmpty. Operand 1273 states and 1611 transitions.
[2019-11-06 20:05:56,249 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2019-11-06 20:05:56,249 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 20:05:56,250 INFO  L410         BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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]
[2019-11-06 20:05:56,250 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 20:05:56,250 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 20:05:56,250 INFO  L82        PathProgramCache]: Analyzing trace with hash -2036601842, now seen corresponding path program 1 times
[2019-11-06 20:05:56,251 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 20:05:56,251 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034311471]
[2019-11-06 20:05:56,251 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 20:05:56,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:56,845 WARN  L191               SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 256
[2019-11-06 20:05:56,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:56,893 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:56,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:56,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:56,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:56,943 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:56,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:56,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,326 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2019-11-06 20:05:57,505 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034311471]
[2019-11-06 20:05:57,505 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834497106]
[2019-11-06 20:05:57,505 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
[2019-11-06 20:05:57,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:57,972 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1680 conjuncts, 3 conjunts are in the unsatisfiable core
[2019-11-06 20:05:57,992 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-11-06 20:05:58,042 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2019-11-06 20:05:58,042 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2019-11-06 20:05:58,042 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 14
[2019-11-06 20:05:58,043 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962909249]
[2019-11-06 20:05:58,045 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-06 20:05:58,046 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 20:05:58,046 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-06 20:05:58,048 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182
[2019-11-06 20:05:58,048 INFO  L87              Difference]: Start difference. First operand 1273 states and 1611 transitions. Second operand 3 states.
[2019-11-06 20:05:58,330 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 20:05:58,331 INFO  L93              Difference]: Finished difference Result 2856 states and 3629 transitions.
[2019-11-06 20:05:58,331 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-06 20:05:58,332 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 159
[2019-11-06 20:05:58,333 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 20:05:58,343 INFO  L225             Difference]: With dead ends: 2856
[2019-11-06 20:05:58,344 INFO  L226             Difference]: Without dead ends: 1608
[2019-11-06 20:05:58,348 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182
[2019-11-06 20:05:58,351 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1608 states.
[2019-11-06 20:05:58,560 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1584.
[2019-11-06 20:05:58,560 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1584 states.
[2019-11-06 20:05:58,568 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2020 transitions.
[2019-11-06 20:05:58,570 INFO  L78                 Accepts]: Start accepts. Automaton has 1584 states and 2020 transitions. Word has length 159
[2019-11-06 20:05:58,570 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 20:05:58,570 INFO  L462      AbstractCegarLoop]: Abstraction has 1584 states and 2020 transitions.
[2019-11-06 20:05:58,570 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-06 20:05:58,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 1584 states and 2020 transitions.
[2019-11-06 20:05:58,576 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2019-11-06 20:05:58,576 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 20:05:58,576 INFO  L410         BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2019-11-06 20:05:58,783 WARN  L499      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-11-06 20:05:58,784 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 20:05:58,784 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 20:05:58,784 INFO  L82        PathProgramCache]: Analyzing trace with hash -1755019596, now seen corresponding path program 1 times
[2019-11-06 20:05:58,784 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 20:05:58,785 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734472440]
[2019-11-06 20:05:58,785 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 20:05:58,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,408 WARN  L191               SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 256
[2019-11-06 20:05:59,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:05:59,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:06:00,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked.
[2019-11-06 20:06:00,013 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734472440]
[2019-11-06 20:06:00,014 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 20:06:00,014 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2019-11-06 20:06:00,014 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010076533]
[2019-11-06 20:06:00,014 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 13 states
[2019-11-06 20:06:00,015 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 20:06:00,015 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2019-11-06 20:06:00,015 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2019-11-06 20:06:00,015 INFO  L87              Difference]: Start difference. First operand 1584 states and 2020 transitions. Second operand 13 states.