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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 22:52:20,905 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 22:52:20,908 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 22:52:20,926 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 22:52:20,927 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 22:52:20,928 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 22:52:20,929 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 22:52:20,931 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 22:52:20,933 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 22:52:20,934 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 22:52:20,935 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 22:52:20,936 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 22:52:20,936 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 22:52:20,937 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 22:52:20,938 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 22:52:20,939 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 22:52:20,940 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 22:52:20,941 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 22:52:20,943 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 22:52:20,945 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 22:52:20,946 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 22:52:20,948 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 22:52:20,949 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 22:52:20,950 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 22:52:20,953 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 22:52:20,953 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 22:52:20,954 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 22:52:20,957 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 22:52:20,957 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 22:52:20,959 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 22:52:20,959 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 22:52:20,960 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 22:52:20,961 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 22:52:20,962 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 22:52:20,963 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 22:52:20,963 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-13 22:52:20,964 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-13 22:52:20,964 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-13 22:52:20,965 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-13 22:52:20,966 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-13 22:52:20,966 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 22:52:20,967 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 22:52:20,982 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 22:52:20,982 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 22:52:20,983 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 22:52:20,983 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 22:52:20,984 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 22:52:20,984 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 22:52:20,984 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 22:52:20,984 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 22:52:20,985 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 22:52:20,985 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 22:52:20,985 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 22:52:20,985 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 22:52:20,985 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 22:52:20,986 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 22:52:20,986 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 22:52:20,986 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 22:52:20,986 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 22:52:20,986 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 22:52:20,987 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 22:52:20,987 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 22:52:20,987 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 22:52:20,987 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 22:52:20,987 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 22:52:20,988 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 22:52:20,988 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 22:52:20,988 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 22:52:20,988 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 22:52:20,988 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 22:52:20,989 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-10-13 22:52:21,270 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 22:52:21,284 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 22:52:21,288 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 22:52:21,289 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 22:52:21,290 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 22:52:21,291 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i
[2019-10-13 22:52:21,357 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e42441397/f15c4801bd1e4a9884c89e9b114ab061/FLAG035aac74a
[2019-10-13 22:52:22,185 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 22:52:22,187 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i
[2019-10-13 22:52:22,228 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e42441397/f15c4801bd1e4a9884c89e9b114ab061/FLAG035aac74a
[2019-10-13 22:52:22,712 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e42441397/f15c4801bd1e4a9884c89e9b114ab061
[2019-10-13 22:52:22,722 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 22:52:22,724 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 22:52:22,725 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 22:52:22,725 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 22:52:22,728 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 22:52:22,729 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:52:22" (1/1) ...
[2019-10-13 22:52:22,732 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff10f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:22, skipping insertion in model container
[2019-10-13 22:52:22,732 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:52:22" (1/1) ...
[2019-10-13 22:52:22,740 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 22:52:22,856 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 22:52:24,198 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 22:52:24,229 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 22:52:24,506 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 22:52:24,741 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 22:52:24,741 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:24 WrapperNode
[2019-10-13 22:52:24,742 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 22:52:24,743 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 22:52:24,743 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 22:52:24,743 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 22:52:24,766 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:24" (1/1) ...
[2019-10-13 22:52:24,767 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:24" (1/1) ...
[2019-10-13 22:52:24,869 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:24" (1/1) ...
[2019-10-13 22:52:24,870 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:24" (1/1) ...
[2019-10-13 22:52:25,007 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:24" (1/1) ...
[2019-10-13 22:52:25,022 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:24" (1/1) ...
[2019-10-13 22:52:25,038 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:24" (1/1) ...
[2019-10-13 22:52:25,078 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 22:52:25,079 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 22:52:25,079 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 22:52:25,080 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 22:52:25,081 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:24" (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 22:52:25,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 22:52:25,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 22:52:25,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID
[2019-10-13 22:52:25,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID
[2019-10-13 22:52:25,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2019-10-13 22:52:25,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2019-10-13 22:52:25,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc
[2019-10-13 22:52:25,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_memset
[2019-10-13 22:52:25,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2019-10-13 22:52:25,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr
[2019-10-13 22:52:25,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2019-10-13 22:52:25,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2019-10-13 22:52:25,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2019-10-13 22:52:25,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD
[2019-10-13 22:52:25,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_current
[2019-10-13 22:52:25,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_inc
[2019-10-13 22:52:25,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure spinlock_check
[2019-10-13 22:52:25,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12
[2019-10-13 22:52:25,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_pid
[2019-10-13 22:52:25,170 INFO  L138     BoogieDeclarations]: Found implementation of procedure task_pid
[2019-10-13 22:52:25,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure copy_to_user
[2019-10-13 22:52:25,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure poll_wait
[2019-10-13 22:52:25,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure dump_block
[2019-10-13 22:52:25,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure r3964_exit
[2019-10-13 22:52:25,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure r3964_init
[2019-10-13 22:52:25,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure add_tx_queue
[2019-10-13 22:52:25,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue
[2019-10-13 22:52:25,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure add_rx_queue
[2019-10-13 22:52:25,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure remove_from_rx_queue
[2019-10-13 22:52:25,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure put_char
[2019-10-13 22:52:25,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure flush
[2019-10-13 22:52:25,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure trigger_transmit
[2019-10-13 22:52:25,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure retry_transmit
[2019-10-13 22:52:25,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure transmit_block
[2019-10-13 22:52:25,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure on_receive_block
[2019-10-13 22:52:25,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure receive_char
[2019-10-13 22:52:25,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure receive_error
[2019-10-13 22:52:25,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure on_timeout
[2019-10-13 22:52:25,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure findClient
[2019-10-13 22:52:25,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure enable_signals
[2019-10-13 22:52:25,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure read_telegram
[2019-10-13 22:52:25,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure add_msg
[2019-10-13 22:52:25,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure remove_msg
[2019-10-13 22:52:25,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure remove_client_block
[2019-10-13 22:52:25,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure r3964_open
[2019-10-13 22:52:25,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure r3964_close
[2019-10-13 22:52:25,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure r3964_read
[2019-10-13 22:52:25,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure r3964_write
[2019-10-13 22:52:25,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure r3964_ioctl
[2019-10-13 22:52:25,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure r3964_set_termios
[2019-10-13 22:52:25,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure r3964_poll
[2019-10-13 22:52:25,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure r3964_receive_buf
[2019-10-13 22:52:25,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1
[2019-10-13 22:52:25,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure timer_init_1
[2019-10-13 22:52:25,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1
[2019-10-13 22:52:25,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure choose_timer_1
[2019-10-13 22:52:25,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_target_type_2
[2019-10-13 22:52:25,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure reg_timer_1
[2019-10-13 22:52:25,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_timer_1
[2019-10-13 22:52:25,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1
[2019-10-13 22:52:25,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 22:52:25,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore
[2019-10-13 22:52:25,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2019-10-13 22:52:25,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20
[2019-10-13 22:52:25,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23
[2019-10-13 22:52:25,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24
[2019-10-13 22:52:25,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_25
[2019-10-13 22:52:25,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_26
[2019-10-13 22:52:25,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27
[2019-10-13 22:52:25,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28
[2019-10-13 22:52:25,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_29
[2019-10-13 22:52:25,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30
[2019-10-13 22:52:25,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_31
[2019-10-13 22:52:25,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_32
[2019-10-13 22:52:25,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_33
[2019-10-13 22:52:25,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2019-10-13 22:52:25,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err
[2019-10-13 22:52:25,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_err_ptr
[2019-10-13 22:52:25,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ptr_err
[2019-10-13 22:52:25,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null
[2019-10-13 22:52:25,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags
[2019-10-13 22:52:25,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page
[2019-10-13 22:52:25,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic
[2019-10-13 22:52:25,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_lock
[2019-10-13 22:52:25,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock
[2019-10-13 22:52:25,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock
[2019-10-13 22:52:25,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow
[2019-10-13 22:52:25,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head
[2019-10-13 22:52:25,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure __might_fault
[2019-10-13 22:52:25,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init
[2019-10-13 22:52:25,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure __wake_up
[2019-10-13 22:52:25,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure _copy_to_user
[2019-10-13 22:52:25,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore
[2019-10-13 22:52:25,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure del_timer_sync
[2019-10-13 22:52:25,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure finish_wait
[2019-10-13 22:52:25,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure kill_pid
[2019-10-13 22:52:25,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2019-10-13 22:52:25,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2019-10-13 22:52:25,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_some_page
[2019-10-13 22:52:25,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure mod_timer
[2019-10-13 22:52:25,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event
[2019-10-13 22:52:25,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2019-10-13 22:52:25,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure put_pid
[2019-10-13 22:52:25,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure schedule
[2019-10-13 22:52:25,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_lock
[2019-10-13 22:52:25,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_put_char
[2019-10-13 22:52:25,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_register_ldisc
[2019-10-13 22:52:25,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_unlock
[2019-10-13 22:52:25,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc
[2019-10-13 22:52:25,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_write_room
[2019-10-13 22:52:25,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure external_alloc
[2019-10-13 22:52:25,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2019-10-13 22:52:25,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2019-10-13 22:52:25,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2019-10-13 22:52:25,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2019-10-13 22:52:25,190 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 22:52:25,190 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2019-10-13 22:52:25,190 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2019-10-13 22:52:25,190 INFO  L130     BoogieDeclarations]: Found specification of procedure __might_fault
[2019-10-13 22:52:25,191 INFO  L130     BoogieDeclarations]: Found specification of procedure sprintf
[2019-10-13 22:52:25,191 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_lock
[2019-10-13 22:52:25,191 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_unlock
[2019-10-13 22:52:25,191 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-10-13 22:52:25,191 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2019-10-13 22:52:25,191 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2019-10-13 22:52:25,192 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 22:52:25,192 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2019-10-13 22:52:25,192 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-10-13 22:52:25,192 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-10-13 22:52:25,192 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2019-10-13 22:52:25,192 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-13 22:52:25,192 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2019-10-13 22:52:25,193 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2019-10-13 22:52:25,193 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_init_zalloc
[2019-10-13 22:52:25,193 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_memset
[2019-10-13 22:52:25,193 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2019-10-13 22:52:25,193 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2019-10-13 22:52:25,194 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ptr
[2019-10-13 22:52:25,194 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2019-10-13 22:52:25,194 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2019-10-13 22:52:25,194 INFO  L130     BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD
[2019-10-13 22:52:25,194 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 22:52:25,194 INFO  L130     BoogieDeclarations]: Found specification of procedure __bad_percpu_size
[2019-10-13 22:52:25,194 INFO  L130     BoogieDeclarations]: Found specification of procedure get_current
[2019-10-13 22:52:25,195 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2019-10-13 22:52:25,195 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_inc
[2019-10-13 22:52:25,195 INFO  L130     BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init
[2019-10-13 22:52:25,195 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore
[2019-10-13 22:52:25,195 INFO  L130     BoogieDeclarations]: Found specification of procedure spinlock_check
[2019-10-13 22:52:25,195 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12
[2019-10-13 22:52:25,196 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore
[2019-10-13 22:52:25,196 INFO  L130     BoogieDeclarations]: Found specification of procedure __init_waitqueue_head
[2019-10-13 22:52:25,196 INFO  L130     BoogieDeclarations]: Found specification of procedure __wake_up
[2019-10-13 22:52:25,196 INFO  L130     BoogieDeclarations]: Found specification of procedure prepare_to_wait_event
[2019-10-13 22:52:25,196 INFO  L130     BoogieDeclarations]: Found specification of procedure finish_wait
[2019-10-13 22:52:25,196 INFO  L130     BoogieDeclarations]: Found specification of procedure mod_timer
[2019-10-13 22:52:25,196 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23
[2019-10-13 22:52:25,197 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24
[2019-10-13 22:52:25,197 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mod_timer_25
[2019-10-13 22:52:25,197 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mod_timer_26
[2019-10-13 22:52:25,197 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28
[2019-10-13 22:52:25,197 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mod_timer_29
[2019-10-13 22:52:25,198 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30
[2019-10-13 22:52:25,198 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mod_timer_31
[2019-10-13 22:52:25,198 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mod_timer_32
[2019-10-13 22:52:25,198 INFO  L130     BoogieDeclarations]: Found specification of procedure del_timer_sync
[2019-10-13 22:52:25,198 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27
[2019-10-13 22:52:25,198 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_33
[2019-10-13 22:52:25,198 INFO  L130     BoogieDeclarations]: Found specification of procedure get_pid
[2019-10-13 22:52:25,199 INFO  L130     BoogieDeclarations]: Found specification of procedure put_pid
[2019-10-13 22:52:25,199 INFO  L130     BoogieDeclarations]: Found specification of procedure schedule
[2019-10-13 22:52:25,199 INFO  L130     BoogieDeclarations]: Found specification of procedure task_pid
[2019-10-13 22:52:25,199 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 22:52:25,199 INFO  L130     BoogieDeclarations]: Found specification of procedure kill_pid
[2019-10-13 22:52:25,199 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2019-10-13 22:52:25,199 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20
[2019-10-13 22:52:25,199 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2019-10-13 22:52:25,200 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags
[2019-10-13 22:52:25,200 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1
[2019-10-13 22:52:25,200 INFO  L130     BoogieDeclarations]: Found specification of procedure timer_init_1
[2019-10-13 22:52:25,200 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_pending_timer_1
[2019-10-13 22:52:25,200 INFO  L130     BoogieDeclarations]: Found specification of procedure choose_timer_1
[2019-10-13 22:52:25,200 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_target_type_2
[2019-10-13 22:52:25,200 INFO  L130     BoogieDeclarations]: Found specification of procedure reg_timer_1
[2019-10-13 22:52:25,200 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_timer_1
[2019-10-13 22:52:25,201 INFO  L130     BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1
[2019-10-13 22:52:25,201 INFO  L130     BoogieDeclarations]: Found specification of procedure _copy_to_user
[2019-10-13 22:52:25,201 INFO  L130     BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow
[2019-10-13 22:52:25,201 INFO  L130     BoogieDeclarations]: Found specification of procedure copy_to_user
[2019-10-13 22:52:25,201 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 22:52:25,201 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_put_char
[2019-10-13 22:52:25,201 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_write_room
[2019-10-13 22:52:25,202 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_register_ldisc
[2019-10-13 22:52:25,202 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc
[2019-10-13 22:52:25,202 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_lock
[2019-10-13 22:52:25,202 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_unlock
[2019-10-13 22:52:25,202 INFO  L130     BoogieDeclarations]: Found specification of procedure poll_wait
[2019-10-13 22:52:25,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID
[2019-10-13 22:52:25,202 INFO  L130     BoogieDeclarations]: Found specification of procedure add_tx_queue
[2019-10-13 22:52:25,203 INFO  L130     BoogieDeclarations]: Found specification of procedure remove_from_tx_queue
[2019-10-13 22:52:25,203 INFO  L130     BoogieDeclarations]: Found specification of procedure put_char
[2019-10-13 22:52:25,203 INFO  L130     BoogieDeclarations]: Found specification of procedure trigger_transmit
[2019-10-13 22:52:25,203 INFO  L130     BoogieDeclarations]: Found specification of procedure retry_transmit
[2019-10-13 22:52:25,203 INFO  L130     BoogieDeclarations]: Found specification of procedure transmit_block
[2019-10-13 22:52:25,203 INFO  L130     BoogieDeclarations]: Found specification of procedure receive_char
[2019-10-13 22:52:25,203 INFO  L130     BoogieDeclarations]: Found specification of procedure receive_error
[2019-10-13 22:52:25,203 INFO  L130     BoogieDeclarations]: Found specification of procedure on_timeout
[2019-10-13 22:52:25,204 INFO  L130     BoogieDeclarations]: Found specification of procedure enable_signals
[2019-10-13 22:52:25,204 INFO  L130     BoogieDeclarations]: Found specification of procedure read_telegram
[2019-10-13 22:52:25,204 INFO  L130     BoogieDeclarations]: Found specification of procedure add_msg
[2019-10-13 22:52:25,204 INFO  L130     BoogieDeclarations]: Found specification of procedure remove_msg
[2019-10-13 22:52:25,204 INFO  L130     BoogieDeclarations]: Found specification of procedure remove_client_block
[2019-10-13 22:52:25,204 INFO  L130     BoogieDeclarations]: Found specification of procedure r3964_open
[2019-10-13 22:52:25,205 INFO  L130     BoogieDeclarations]: Found specification of procedure r3964_close
[2019-10-13 22:52:25,205 INFO  L130     BoogieDeclarations]: Found specification of procedure r3964_read
[2019-10-13 22:52:25,205 INFO  L130     BoogieDeclarations]: Found specification of procedure r3964_write
[2019-10-13 22:52:25,205 INFO  L130     BoogieDeclarations]: Found specification of procedure r3964_ioctl
[2019-10-13 22:52:25,205 INFO  L130     BoogieDeclarations]: Found specification of procedure r3964_set_termios
[2019-10-13 22:52:25,205 INFO  L130     BoogieDeclarations]: Found specification of procedure r3964_poll
[2019-10-13 22:52:25,205 INFO  L130     BoogieDeclarations]: Found specification of procedure r3964_receive_buf
[2019-10-13 22:52:25,206 INFO  L130     BoogieDeclarations]: Found specification of procedure dump_block
[2019-10-13 22:52:25,206 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 22:52:25,206 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 22:52:25,206 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 22:52:25,206 INFO  L130     BoogieDeclarations]: Found specification of procedure r3964_exit
[2019-10-13 22:52:25,206 INFO  L130     BoogieDeclarations]: Found specification of procedure r3964_init
[2019-10-13 22:52:25,206 INFO  L130     BoogieDeclarations]: Found specification of procedure add_rx_queue
[2019-10-13 22:52:25,207 INFO  L130     BoogieDeclarations]: Found specification of procedure remove_from_rx_queue
[2019-10-13 22:52:25,207 INFO  L130     BoogieDeclarations]: Found specification of procedure flush
[2019-10-13 22:52:25,207 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID
[2019-10-13 22:52:25,207 INFO  L130     BoogieDeclarations]: Found specification of procedure on_receive_block
[2019-10-13 22:52:25,207 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2019-10-13 22:52:25,207 INFO  L130     BoogieDeclarations]: Found specification of procedure findClient
[2019-10-13 22:52:25,207 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2019-10-13 22:52:25,208 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2019-10-13 22:52:25,208 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 22:52:25,208 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2019-10-13 22:52:25,208 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err
[2019-10-13 22:52:25,208 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_err_ptr
[2019-10-13 22:52:25,208 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ptr_err
[2019-10-13 22:52:25,208 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null
[2019-10-13 22:52:25,209 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_some_page
[2019-10-13 22:52:25,209 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page
[2019-10-13 22:52:25,209 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic
[2019-10-13 22:52:25,209 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_trylock
[2019-10-13 22:52:25,209 INFO  L130     BoogieDeclarations]: Found specification of procedure external_alloc
[2019-10-13 22:52:25,209 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2019-10-13 22:52:25,209 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-13 22:52:25,210 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 22:52:25,210 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 22:52:25,210 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-10-13 22:52:25,210 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 22:52:25,210 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2019-10-13 22:52:25,210 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2019-10-13 22:52:25,210 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2019-10-13 22:52:25,211 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2019-10-13 22:52:26,093 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2019-10-13 22:52:34,436 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 22:52:34,436 INFO  L284             CfgBuilder]: Removed 0 assume(true) statements.
[2019-10-13 22:52:34,438 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:52:34 BoogieIcfgContainer
[2019-10-13 22:52:34,438 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 22:52:34,439 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 22:52:34,439 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 22:52:34,442 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 22:52:34,442 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:52:22" (1/3) ...
[2019-10-13 22:52:34,443 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@268d9e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:52:34, skipping insertion in model container
[2019-10-13 22:52:34,443 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:52:24" (2/3) ...
[2019-10-13 22:52:34,444 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@268d9e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:52:34, skipping insertion in model container
[2019-10-13 22:52:34,444 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:52:34" (3/3) ...
[2019-10-13 22:52:34,446 INFO  L109   eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i
[2019-10-13 22:52:34,455 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 22:52:34,465 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 22:52:34,476 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 22:52:34,508 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 22:52:34,509 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 22:52:34,509 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 22:52:34,509 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 22:52:34,509 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 22:52:34,509 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 22:52:34,509 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 22:52:34,510 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 22:52:34,544 INFO  L276                IsEmpty]: Start isEmpty. Operand 814 states.
[2019-10-13 22:52:34,557 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2019-10-13 22:52:34,558 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 22:52:34,559 INFO  L380         BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 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]
[2019-10-13 22:52:34,561 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:52:34,567 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:52:34,568 INFO  L82        PathProgramCache]: Analyzing trace with hash 120840219, now seen corresponding path program 1 times
[2019-10-13 22:52:34,577 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:52:34,577 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543284907]
[2019-10-13 22:52:34,578 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:52:34,578 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:52:34,578 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:52:34,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:52:35,295 INFO  L134       CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked.
[2019-10-13 22:52:35,296 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543284907]
[2019-10-13 22:52:35,297 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 22:52:35,298 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 22:52:35,298 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586241806]
[2019-10-13 22:52:35,304 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 22:52:35,305 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:52:35,318 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 22:52:35,319 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 22:52:35,321 INFO  L87              Difference]: Start difference. First operand 814 states. Second operand 3 states.
[2019-10-13 22:52:35,730 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 22:52:35,730 INFO  L93              Difference]: Finished difference Result 1851 states and 2554 transitions.
[2019-10-13 22:52:35,731 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-10-13 22:52:35,732 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 122
[2019-10-13 22:52:35,733 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 22:52:35,769 INFO  L225             Difference]: With dead ends: 1851
[2019-10-13 22:52:35,770 INFO  L226             Difference]: Without dead ends: 1055
[2019-10-13 22:52:35,782 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 22:52:35,806 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1055 states.
[2019-10-13 22:52:35,923 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1052.
[2019-10-13 22:52:35,924 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1052 states.
[2019-10-13 22:52:35,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1420 transitions.
[2019-10-13 22:52:35,935 INFO  L78                 Accepts]: Start accepts. Automaton has 1052 states and 1420 transitions. Word has length 122
[2019-10-13 22:52:35,936 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 22:52:35,936 INFO  L462      AbstractCegarLoop]: Abstraction has 1052 states and 1420 transitions.
[2019-10-13 22:52:35,936 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 22:52:35,936 INFO  L276                IsEmpty]: Start isEmpty. Operand 1052 states and 1420 transitions.
[2019-10-13 22:52:35,941 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 137
[2019-10-13 22:52:35,941 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 22:52:35,942 INFO  L380         BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 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]
[2019-10-13 22:52:35,942 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:52:35,942 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:52:35,942 INFO  L82        PathProgramCache]: Analyzing trace with hash -1428616480, now seen corresponding path program 1 times
[2019-10-13 22:52:35,943 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:52:35,943 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860566753]
[2019-10-13 22:52:35,943 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:52:35,943 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:52:35,943 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:52:36,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:52:36,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked.
[2019-10-13 22:52:36,170 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860566753]
[2019-10-13 22:52:36,170 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 22:52:36,170 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 22:52:36,171 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383816529]
[2019-10-13 22:52:36,173 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 22:52:36,173 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:52:36,173 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 22:52:36,174 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2019-10-13 22:52:36,174 INFO  L87              Difference]: Start difference. First operand 1052 states and 1420 transitions. Second operand 5 states.
[2019-10-13 22:52:38,777 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 22:52:38,777 INFO  L93              Difference]: Finished difference Result 4059 states and 5617 transitions.
[2019-10-13 22:52:38,778 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-10-13 22:52:38,778 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 136
[2019-10-13 22:52:38,779 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 22:52:38,804 INFO  L225             Difference]: With dead ends: 4059
[2019-10-13 22:52:38,805 INFO  L226             Difference]: Without dead ends: 3054
[2019-10-13 22:52:38,812 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2019-10-13 22:52:38,819 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3054 states.
[2019-10-13 22:52:39,153 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 3038.
[2019-10-13 22:52:39,154 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3038 states.
[2019-10-13 22:52:39,178 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 3038 states and 4224 transitions.
[2019-10-13 22:52:39,179 INFO  L78                 Accepts]: Start accepts. Automaton has 3038 states and 4224 transitions. Word has length 136
[2019-10-13 22:52:39,180 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 22:52:39,180 INFO  L462      AbstractCegarLoop]: Abstraction has 3038 states and 4224 transitions.
[2019-10-13 22:52:39,180 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 22:52:39,181 INFO  L276                IsEmpty]: Start isEmpty. Operand 3038 states and 4224 transitions.
[2019-10-13 22:52:39,183 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2019-10-13 22:52:39,183 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 22:52:39,184 INFO  L380         BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 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]
[2019-10-13 22:52:39,184 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:52:39,184 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:52:39,184 INFO  L82        PathProgramCache]: Analyzing trace with hash 561053028, now seen corresponding path program 1 times
[2019-10-13 22:52:39,185 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:52:39,185 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811205584]
[2019-10-13 22:52:39,185 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:52:39,185 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:52:39,185 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:52:39,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:52:39,361 INFO  L134       CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked.
[2019-10-13 22:52:39,361 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811205584]
[2019-10-13 22:52:39,361 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 22:52:39,362 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 22:52:39,362 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284594328]
[2019-10-13 22:52:39,362 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 22:52:39,363 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:52:39,363 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 22:52:39,363 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2019-10-13 22:52:39,363 INFO  L87              Difference]: Start difference. First operand 3038 states and 4224 transitions. Second operand 5 states.
[2019-10-13 22:52:42,767 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 22:52:42,767 INFO  L93              Difference]: Finished difference Result 11995 states and 17249 transitions.
[2019-10-13 22:52:42,768 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-10-13 22:52:42,768 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 137
[2019-10-13 22:52:42,769 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 22:52:42,852 INFO  L225             Difference]: With dead ends: 11995
[2019-10-13 22:52:42,852 INFO  L226             Difference]: Without dead ends: 9004
[2019-10-13 22:52:42,875 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2019-10-13 22:52:42,890 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9004 states.
[2019-10-13 22:52:43,540 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9004 to 8988.
[2019-10-13 22:52:43,540 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8988 states.
[2019-10-13 22:52:43,599 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8988 states to 8988 states and 13026 transitions.
[2019-10-13 22:52:43,602 INFO  L78                 Accepts]: Start accepts. Automaton has 8988 states and 13026 transitions. Word has length 137
[2019-10-13 22:52:43,603 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 22:52:43,603 INFO  L462      AbstractCegarLoop]: Abstraction has 8988 states and 13026 transitions.
[2019-10-13 22:52:43,603 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 22:52:43,603 INFO  L276                IsEmpty]: Start isEmpty. Operand 8988 states and 13026 transitions.
[2019-10-13 22:52:43,605 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2019-10-13 22:52:43,606 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 22:52:43,606 INFO  L380         BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 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 22:52:43,606 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:52:43,606 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:52:43,607 INFO  L82        PathProgramCache]: Analyzing trace with hash -1614972120, now seen corresponding path program 1 times
[2019-10-13 22:52:43,607 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:52:43,607 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335731664]
[2019-10-13 22:52:43,607 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:52:43,607 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:52:43,608 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:52:43,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:52:43,774 INFO  L134       CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked.
[2019-10-13 22:52:43,775 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335731664]
[2019-10-13 22:52:43,775 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 22:52:43,775 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 22:52:43,775 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547630664]
[2019-10-13 22:52:43,776 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 22:52:43,776 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:52:43,776 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 22:52:43,777 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2019-10-13 22:52:43,777 INFO  L87              Difference]: Start difference. First operand 8988 states and 13026 transitions. Second operand 5 states.
[2019-10-13 22:52:47,899 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 22:52:47,899 INFO  L93              Difference]: Finished difference Result 35771 states and 53297 transitions.
[2019-10-13 22:52:47,900 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-10-13 22:52:47,900 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 138
[2019-10-13 22:52:47,901 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 22:52:48,115 INFO  L225             Difference]: With dead ends: 35771
[2019-10-13 22:52:48,115 INFO  L226             Difference]: Without dead ends: 26830
[2019-10-13 22:52:48,163 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2019-10-13 22:52:48,197 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26830 states.
[2019-10-13 22:52:49,746 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26830 to 26814.
[2019-10-13 22:52:49,746 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 26814 states.
[2019-10-13 22:52:49,887 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26814 states to 26814 states and 40164 transitions.
[2019-10-13 22:52:49,893 INFO  L78                 Accepts]: Start accepts. Automaton has 26814 states and 40164 transitions. Word has length 138
[2019-10-13 22:52:49,897 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 22:52:49,897 INFO  L462      AbstractCegarLoop]: Abstraction has 26814 states and 40164 transitions.
[2019-10-13 22:52:49,897 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 22:52:49,897 INFO  L276                IsEmpty]: Start isEmpty. Operand 26814 states and 40164 transitions.
[2019-10-13 22:52:49,905 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2019-10-13 22:52:49,906 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 22:52:49,906 INFO  L380         BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 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, 1]
[2019-10-13 22:52:49,907 INFO  L410      AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:52:49,907 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:52:49,907 INFO  L82        PathProgramCache]: Analyzing trace with hash 216454572, now seen corresponding path program 1 times
[2019-10-13 22:52:49,907 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:52:49,908 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262420460]
[2019-10-13 22:52:49,908 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:52:49,908 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:52:49,908 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:52:49,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:52:50,106 INFO  L134       CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked.
[2019-10-13 22:52:50,106 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262420460]
[2019-10-13 22:52:50,107 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 22:52:50,107 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 22:52:50,107 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272247323]
[2019-10-13 22:52:50,108 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 22:52:50,108 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:52:50,108 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 22:52:50,108 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2019-10-13 22:52:50,109 INFO  L87              Difference]: Start difference. First operand 26814 states and 40164 transitions. Second operand 5 states.