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-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.24-13a467a-m
[2019-10-15 02:47:50,992 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-15 02:47:50,994 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-15 02:47:51,007 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-15 02:47:51,008 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-15 02:47:51,009 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-15 02:47:51,010 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-15 02:47:51,012 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-15 02:47:51,014 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-15 02:47:51,015 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-15 02:47:51,016 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-15 02:47:51,017 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-15 02:47:51,017 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-15 02:47:51,018 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-15 02:47:51,019 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-15 02:47:51,020 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-15 02:47:51,021 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-15 02:47:51,022 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-15 02:47:51,024 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-15 02:47:51,026 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-15 02:47:51,028 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-15 02:47:51,029 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-15 02:47:51,030 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-15 02:47:51,031 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-15 02:47:51,034 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-15 02:47:51,035 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-15 02:47:51,035 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-15 02:47:51,036 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-15 02:47:51,037 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-15 02:47:51,038 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-15 02:47:51,038 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-15 02:47:51,039 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-15 02:47:51,040 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-15 02:47:51,041 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-15 02:47:51,042 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-15 02:47:51,043 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-15 02:47:51,043 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-15 02:47:51,044 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-15 02:47:51,044 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-15 02:47:51,045 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-15 02:47:51,046 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-15 02:47:51,047 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
[2019-10-15 02:47:51,074 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-15 02:47:51,074 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-15 02:47:51,076 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-15 02:47:51,076 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-15 02:47:51,076 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-15 02:47:51,077 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-15 02:47:51,077 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-15 02:47:51,077 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-15 02:47:51,078 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-15 02:47:51,078 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-15 02:47:51,079 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-15 02:47:51,079 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-15 02:47:51,079 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-15 02:47:51,080 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-15 02:47:51,080 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-15 02:47:51,080 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-15 02:47:51,080 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-15 02:47:51,081 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-15 02:47:51,081 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-15 02:47:51,081 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-15 02:47:51,082 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-15 02:47:51,082 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-15 02:47:51,082 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-15 02:47:51,082 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-15 02:47:51,083 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-15 02:47:51,083 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-15 02:47:51,083 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-15 02:47:51,083 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-15 02:47:51,083 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
[2019-10-15 02:47:51,386 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-15 02:47:51,403 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-15 02:47:51,407 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-15 02:47:51,408 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-15 02:47:51,409 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-15 02:47:51,410 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i
[2019-10-15 02:47:51,479 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2522dfa/24cc2e0c9aba4ec285aa4738252720bb/FLAG9b07b9669
[2019-10-15 02:47:52,285 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-15 02:47:52,288 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i
[2019-10-15 02:47:52,329 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2522dfa/24cc2e0c9aba4ec285aa4738252720bb/FLAG9b07b9669
[2019-10-15 02:47:52,816 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2522dfa/24cc2e0c9aba4ec285aa4738252720bb
[2019-10-15 02:47:52,826 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-15 02:47:52,827 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-15 02:47:52,828 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-15 02:47:52,828 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-15 02:47:52,832 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-15 02:47:52,833 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:47:52" (1/1) ...
[2019-10-15 02:47:52,836 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21960f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:52, skipping insertion in model container
[2019-10-15 02:47:52,837 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:47:52" (1/1) ...
[2019-10-15 02:47:52,843 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-15 02:47:52,950 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-15 02:47:54,498 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-15 02:47:54,536 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-15 02:47:55,189 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-15 02:47:55,387 INFO  L192         MainTranslator]: Completed translation
[2019-10-15 02:47:55,388 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:55 WrapperNode
[2019-10-15 02:47:55,389 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-15 02:47:55,390 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-15 02:47:55,390 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-15 02:47:55,390 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-15 02:47:55,405 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:55" (1/1) ...
[2019-10-15 02:47:55,405 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:55" (1/1) ...
[2019-10-15 02:47:55,458 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:55" (1/1) ...
[2019-10-15 02:47:55,458 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:55" (1/1) ...
[2019-10-15 02:47:55,590 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:55" (1/1) ...
[2019-10-15 02:47:55,620 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:55" (1/1) ...
[2019-10-15 02:47:55,694 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:55" (1/1) ...
[2019-10-15 02:47:55,720 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-15 02:47:55,721 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-15 02:47:55,721 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-15 02:47:55,721 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-15 02:47:55,722 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:55" (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
[2019-10-15 02:47:55,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-15 02:47:55,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-15 02:47:55,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_bit
[2019-10-15 02:47:55,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure clear_bit
[2019-10-15 02:47:55,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure constant_test_bit
[2019-10-15 02:47:55,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure fls64
[2019-10-15 02:47:55,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD
[2019-10-15 02:47:55,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure list_add
[2019-10-15 02:47:55,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure list_empty
[2019-10-15 02:47:55,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure spinlock_check
[2019-10-15 02:47:55,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock_irq
[2019-10-15 02:47:55,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irq
[2019-10-15 02:47:55,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_completion
[2019-10-15 02:47:55,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2019-10-15 02:47:55,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2019-10-15 02:47:55,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure kzalloc
[2019-10-15 02:47:55,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2019-10-15 02:47:55,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2019-10-15 02:47:55,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc
[2019-10-15 02:47:55,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_memset
[2019-10-15 02:47:55,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2019-10-15 02:47:55,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr
[2019-10-15 02:47:55,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2019-10-15 02:47:55,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2019-10-15 02:47:55,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowmem_page_address
[2019-10-15 02:47:55,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure mdname
[2019-10-15 02:47:55,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure sync_ast
[2019-10-15 02:47:55,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure dlm_lock_sync
[2019-10-15 02:47:55,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync
[2019-10-15 02:47:55,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure lockres_init
[2019-10-15 02:47:55,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure lockres_free
[2019-10-15 02:47:55,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure pretty_uuid
[2019-10-15 02:47:55,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure add_resync_info
[2019-10-15 02:47:55,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure read_resync_info
[2019-10-15 02:47:55,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure recover_bitmaps
[2019-10-15 02:47:55,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure recover_prep
[2019-10-15 02:47:55,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure recover_slot
[2019-10-15 02:47:55,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure recover_done
[2019-10-15 02:47:55,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure ack_bast
[2019-10-15 02:47:55,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure __remove_suspend_info
[2019-10-15 02:47:55,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure remove_suspend_info
[2019-10-15 02:47:55,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure process_suspend_info
[2019-10-15 02:47:55,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure process_add_new_disk
[2019-10-15 02:47:55,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure process_metadata_update
[2019-10-15 02:47:55,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure process_remove_disk
[2019-10-15 02:47:55,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure process_readd_disk
[2019-10-15 02:47:55,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure process_recvd_msg
[2019-10-15 02:47:55,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure recv_daemon
[2019-10-15 02:47:55,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure lock_comm
[2019-10-15 02:47:55,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure unlock_comm
[2019-10-15 02:47:55,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure __sendmsg
[2019-10-15 02:47:55,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure sendmsg
[2019-10-15 02:47:55,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure gather_all_resync_info
[2019-10-15 02:47:55,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure join
[2019-10-15 02:47:55,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure leave
[2019-10-15 02:47:55,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure slot_number
[2019-10-15 02:47:55,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure resync_info_update
[2019-10-15 02:47:55,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure metadata_update_start
[2019-10-15 02:47:55,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure metadata_update_finish
[2019-10-15 02:47:55,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure metadata_update_cancel
[2019-10-15 02:47:55,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure resync_send
[2019-10-15 02:47:55,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure resync_start
[2019-10-15 02:47:55,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure resync_finish
[2019-10-15 02:47:55,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure area_resyncing
[2019-10-15 02:47:55,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure add_new_disk_start
[2019-10-15 02:47:55,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure add_new_disk_finish
[2019-10-15 02:47:55,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure new_disk_ack
[2019-10-15 02:47:55,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure remove_disk
[2019-10-15 02:47:55,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure gather_bitmaps
[2019-10-15 02:47:55,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure cluster_init
[2019-10-15 02:47:55,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure cluster_exit
[2019-10-15 02:47:55,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize_dlm_lockspace_ops_2
[2019-10-15 02:47:55,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize_md_cluster_operations_1
[2019-10-15 02:47:55,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-15 02:47:55,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5
[2019-10-15 02:47:55,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_put_6
[2019-10-15 02:47:55,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2019-10-15 02:47:55,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err
[2019-10-15 02:47:55,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_err_ptr
[2019-10-15 02:47:55,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ptr_err
[2019-10-15 02:47:55,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null
[2019-10-15 02:47:55,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_get
[2019-10-15 02:47:55,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_try_module_get
[2019-10-15 02:47:55,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_put
[2019-10-15 02:47:55,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit
[2019-10-15 02:47:55,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_refcount
[2019-10-15 02:47:55,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2019-10-15 02:47:55,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head
[2019-10-15 02:47:55,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure __list_add
[2019-10-15 02:47:55,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure __mutex_init
[2019-10-15 02:47:55,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init
[2019-10-15 02:47:55,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq
[2019-10-15 02:47:55,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq
[2019-10-15 02:47:55,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot
[2019-10-15 02:47:55,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure complete
[2019-10-15 02:47:55,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure dlm_lock
[2019-10-15 02:47:55,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure dlm_new_lockspace
[2019-10-15 02:47:55,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace
[2019-10-15 02:47:55,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure dlm_unlock
[2019-10-15 02:47:55,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure kobject_uevent_env
[2019-10-15 02:47:55,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2019-10-15 02:47:55,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure list_del
[2019-10-15 02:47:55,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure md_check_recovery
[2019-10-15 02:47:55,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure md_find_rdev_nr_rcu
[2019-10-15 02:47:55,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure md_kick_rdev_from_array
[2019-10-15 02:47:55,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure md_register_thread
[2019-10-15 02:47:55,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure md_reload_sb
[2019-10-15 02:47:55,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure md_unregister_thread
[2019-10-15 02:47:55,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure md_update_sb
[2019-10-15 02:47:55,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure md_wakeup_thread
[2019-10-15 02:47:55,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2019-10-15 02:47:55,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure register_md_cluster_operations
[2019-10-15 02:47:55,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure strlcpy
[2019-10-15 02:47:55,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure unregister_md_cluster_operations
[2019-10-15 02:47:55,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure wait_for_completion
[2019-10-15 02:47:55,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout
[2019-10-15 02:47:55,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure external_alloc
[2019-10-15 02:47:55,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2019-10-15 02:47:55,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2019-10-15 02:47:55,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2019-10-15 02:47:55,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2019-10-15 02:47:55,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove
[2019-10-15 02:47:55,819 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-15 02:47:55,819 INFO  L130     BoogieDeclarations]: Found specification of procedure set_bit
[2019-10-15 02:47:55,819 INFO  L130     BoogieDeclarations]: Found specification of procedure clear_bit
[2019-10-15 02:47:55,819 INFO  L130     BoogieDeclarations]: Found specification of procedure constant_test_bit
[2019-10-15 02:47:55,820 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-15 02:47:55,820 INFO  L130     BoogieDeclarations]: Found specification of procedure fls64
[2019-10-15 02:47:55,820 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2019-10-15 02:47:55,820 INFO  L130     BoogieDeclarations]: Found specification of procedure sprintf
[2019-10-15 02:47:55,820 INFO  L130     BoogieDeclarations]: Found specification of procedure snprintf
[2019-10-15 02:47:55,820 INFO  L130     BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD
[2019-10-15 02:47:55,820 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-15 02:47:55,821 INFO  L130     BoogieDeclarations]: Found specification of procedure __list_add
[2019-10-15 02:47:55,821 INFO  L130     BoogieDeclarations]: Found specification of procedure list_add
[2019-10-15 02:47:55,821 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-15 02:47:55,821 INFO  L130     BoogieDeclarations]: Found specification of procedure list_del
[2019-10-15 02:47:55,821 INFO  L130     BoogieDeclarations]: Found specification of procedure list_empty
[2019-10-15 02:47:55,821 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2019-10-15 02:47:55,822 INFO  L130     BoogieDeclarations]: Found specification of procedure memmove
[2019-10-15 02:47:55,822 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2019-10-15 02:47:55,822 INFO  L130     BoogieDeclarations]: Found specification of procedure strlen
[2019-10-15 02:47:55,822 INFO  L130     BoogieDeclarations]: Found specification of procedure strlcpy
[2019-10-15 02:47:55,822 INFO  L130     BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init
[2019-10-15 02:47:55,822 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq
[2019-10-15 02:47:55,822 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq
[2019-10-15 02:47:55,823 INFO  L130     BoogieDeclarations]: Found specification of procedure spinlock_check
[2019-10-15 02:47:55,823 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock_irq
[2019-10-15 02:47:55,823 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irq
[2019-10-15 02:47:55,823 INFO  L130     BoogieDeclarations]: Found specification of procedure __init_waitqueue_head
[2019-10-15 02:47:55,823 INFO  L130     BoogieDeclarations]: Found specification of procedure __mutex_init
[2019-10-15 02:47:55,823 INFO  L130     BoogieDeclarations]: Found specification of procedure init_completion
[2019-10-15 02:47:55,823 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-15 02:47:55,824 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-15 02:47:55,824 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-15 02:47:55,824 INFO  L130     BoogieDeclarations]: Found specification of procedure wait_for_completion
[2019-10-15 02:47:55,824 INFO  L130     BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout
[2019-10-15 02:47:55,824 INFO  L130     BoogieDeclarations]: Found specification of procedure complete
[2019-10-15 02:47:55,824 INFO  L130     BoogieDeclarations]: Found specification of procedure kobject_uevent_env
[2019-10-15 02:47:55,824 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5
[2019-10-15 02:47:55,825 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_put_6
[2019-10-15 02:47:55,825 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_try_module_get
[2019-10-15 02:47:55,825 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_put
[2019-10-15 02:47:55,825 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2019-10-15 02:47:55,825 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2019-10-15 02:47:55,825 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2019-10-15 02:47:55,825 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2019-10-15 02:47:55,826 INFO  L130     BoogieDeclarations]: Found specification of procedure kzalloc
[2019-10-15 02:47:55,826 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-10-15 02:47:55,826 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2019-10-15 02:47:55,826 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-15 02:47:55,826 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2019-10-15 02:47:55,826 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-10-15 02:47:55,826 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-10-15 02:47:55,827 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-15 02:47:55,827 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2019-10-15 02:47:55,827 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2019-10-15 02:47:55,827 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_init_zalloc
[2019-10-15 02:47:55,827 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_memset
[2019-10-15 02:47:55,827 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2019-10-15 02:47:55,827 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2019-10-15 02:47:55,827 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ptr
[2019-10-15 02:47:55,828 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2019-10-15 02:47:55,828 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2019-10-15 02:47:55,828 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize_dlm_lockspace_ops_2
[2019-10-15 02:47:55,828 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize_md_cluster_operations_1
[2019-10-15 02:47:55,828 INFO  L130     BoogieDeclarations]: Found specification of procedure dlm_new_lockspace
[2019-10-15 02:47:55,828 INFO  L130     BoogieDeclarations]: Found specification of procedure dlm_release_lockspace
[2019-10-15 02:47:55,828 INFO  L130     BoogieDeclarations]: Found specification of procedure dlm_lock
[2019-10-15 02:47:55,829 INFO  L130     BoogieDeclarations]: Found specification of procedure dlm_unlock
[2019-10-15 02:47:55,829 INFO  L130     BoogieDeclarations]: Found specification of procedure lowmem_page_address
[2019-10-15 02:47:55,829 INFO  L130     BoogieDeclarations]: Found specification of procedure mdname
[2019-10-15 02:47:55,829 INFO  L130     BoogieDeclarations]: Found specification of procedure register_md_cluster_operations
[2019-10-15 02:47:55,829 INFO  L130     BoogieDeclarations]: Found specification of procedure unregister_md_cluster_operations
[2019-10-15 02:47:55,829 INFO  L130     BoogieDeclarations]: Found specification of procedure md_register_thread
[2019-10-15 02:47:55,829 INFO  L130     BoogieDeclarations]: Found specification of procedure md_unregister_thread
[2019-10-15 02:47:55,829 INFO  L130     BoogieDeclarations]: Found specification of procedure md_wakeup_thread
[2019-10-15 02:47:55,830 INFO  L130     BoogieDeclarations]: Found specification of procedure md_check_recovery
[2019-10-15 02:47:55,830 INFO  L130     BoogieDeclarations]: Found specification of procedure md_reload_sb
[2019-10-15 02:47:55,830 INFO  L130     BoogieDeclarations]: Found specification of procedure md_update_sb
[2019-10-15 02:47:55,830 INFO  L130     BoogieDeclarations]: Found specification of procedure md_kick_rdev_from_array
[2019-10-15 02:47:55,830 INFO  L130     BoogieDeclarations]: Found specification of procedure md_find_rdev_nr_rcu
[2019-10-15 02:47:55,830 INFO  L130     BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot
[2019-10-15 02:47:55,830 INFO  L130     BoogieDeclarations]: Found specification of procedure sync_ast
[2019-10-15 02:47:55,830 INFO  L130     BoogieDeclarations]: Found specification of procedure dlm_lock_sync
[2019-10-15 02:47:55,831 INFO  L130     BoogieDeclarations]: Found specification of procedure dlm_unlock_sync
[2019-10-15 02:47:55,831 INFO  L130     BoogieDeclarations]: Found specification of procedure lockres_init
[2019-10-15 02:47:55,831 INFO  L130     BoogieDeclarations]: Found specification of procedure lockres_free
[2019-10-15 02:47:55,831 INFO  L130     BoogieDeclarations]: Found specification of procedure pretty_uuid
[2019-10-15 02:47:55,831 INFO  L130     BoogieDeclarations]: Found specification of procedure add_resync_info
[2019-10-15 02:47:55,831 INFO  L130     BoogieDeclarations]: Found specification of procedure read_resync_info
[2019-10-15 02:47:55,831 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2019-10-15 02:47:55,832 INFO  L130     BoogieDeclarations]: Found specification of procedure recover_bitmaps
[2019-10-15 02:47:55,832 INFO  L130     BoogieDeclarations]: Found specification of procedure recover_prep
[2019-10-15 02:47:55,832 INFO  L130     BoogieDeclarations]: Found specification of procedure recover_slot
[2019-10-15 02:47:55,832 INFO  L130     BoogieDeclarations]: Found specification of procedure recover_done
[2019-10-15 02:47:55,832 INFO  L130     BoogieDeclarations]: Found specification of procedure ack_bast
[2019-10-15 02:47:55,832 INFO  L130     BoogieDeclarations]: Found specification of procedure __remove_suspend_info
[2019-10-15 02:47:55,833 INFO  L130     BoogieDeclarations]: Found specification of procedure remove_suspend_info
[2019-10-15 02:47:55,833 INFO  L130     BoogieDeclarations]: Found specification of procedure process_suspend_info
[2019-10-15 02:47:55,833 INFO  L130     BoogieDeclarations]: Found specification of procedure process_add_new_disk
[2019-10-15 02:47:55,833 INFO  L130     BoogieDeclarations]: Found specification of procedure process_metadata_update
[2019-10-15 02:47:55,833 INFO  L130     BoogieDeclarations]: Found specification of procedure process_remove_disk
[2019-10-15 02:47:55,833 INFO  L130     BoogieDeclarations]: Found specification of procedure process_readd_disk
[2019-10-15 02:47:55,833 INFO  L130     BoogieDeclarations]: Found specification of procedure process_recvd_msg
[2019-10-15 02:47:55,834 INFO  L130     BoogieDeclarations]: Found specification of procedure recv_daemon
[2019-10-15 02:47:55,834 INFO  L130     BoogieDeclarations]: Found specification of procedure lock_comm
[2019-10-15 02:47:55,834 INFO  L130     BoogieDeclarations]: Found specification of procedure unlock_comm
[2019-10-15 02:47:55,834 INFO  L130     BoogieDeclarations]: Found specification of procedure __sendmsg
[2019-10-15 02:47:55,834 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove
[2019-10-15 02:47:55,834 INFO  L130     BoogieDeclarations]: Found specification of procedure sendmsg
[2019-10-15 02:47:55,834 INFO  L130     BoogieDeclarations]: Found specification of procedure gather_all_resync_info
[2019-10-15 02:47:55,835 INFO  L130     BoogieDeclarations]: Found specification of procedure join
[2019-10-15 02:47:55,835 INFO  L130     BoogieDeclarations]: Found specification of procedure leave
[2019-10-15 02:47:55,835 INFO  L130     BoogieDeclarations]: Found specification of procedure slot_number
[2019-10-15 02:47:55,835 INFO  L130     BoogieDeclarations]: Found specification of procedure resync_info_update
[2019-10-15 02:47:55,835 INFO  L130     BoogieDeclarations]: Found specification of procedure metadata_update_start
[2019-10-15 02:47:55,835 INFO  L130     BoogieDeclarations]: Found specification of procedure metadata_update_finish
[2019-10-15 02:47:55,835 INFO  L130     BoogieDeclarations]: Found specification of procedure metadata_update_cancel
[2019-10-15 02:47:55,836 INFO  L130     BoogieDeclarations]: Found specification of procedure resync_send
[2019-10-15 02:47:55,836 INFO  L130     BoogieDeclarations]: Found specification of procedure resync_start
[2019-10-15 02:47:55,836 INFO  L130     BoogieDeclarations]: Found specification of procedure resync_finish
[2019-10-15 02:47:55,836 INFO  L130     BoogieDeclarations]: Found specification of procedure area_resyncing
[2019-10-15 02:47:55,836 INFO  L130     BoogieDeclarations]: Found specification of procedure add_new_disk_start
[2019-10-15 02:47:55,836 INFO  L130     BoogieDeclarations]: Found specification of procedure add_new_disk_finish
[2019-10-15 02:47:55,836 INFO  L130     BoogieDeclarations]: Found specification of procedure new_disk_ack
[2019-10-15 02:47:55,836 INFO  L130     BoogieDeclarations]: Found specification of procedure remove_disk
[2019-10-15 02:47:55,837 INFO  L130     BoogieDeclarations]: Found specification of procedure gather_bitmaps
[2019-10-15 02:47:55,837 INFO  L130     BoogieDeclarations]: Found specification of procedure cluster_init
[2019-10-15 02:47:55,837 INFO  L130     BoogieDeclarations]: Found specification of procedure cluster_exit
[2019-10-15 02:47:55,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2019-10-15 02:47:55,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2019-10-15 02:47:55,837 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-15 02:47:55,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2019-10-15 02:47:55,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err
[2019-10-15 02:47:55,838 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_err_ptr
[2019-10-15 02:47:55,838 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ptr_err
[2019-10-15 02:47:55,838 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null
[2019-10-15 02:47:55,838 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_get
[2019-10-15 02:47:55,838 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit
[2019-10-15 02:47:55,838 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_refcount
[2019-10-15 02:47:55,838 INFO  L130     BoogieDeclarations]: Found specification of procedure external_alloc
[2019-10-15 02:47:55,839 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-15 02:47:55,839 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-15 02:47:55,839 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-15 02:47:55,839 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-10-15 02:47:55,839 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-15 02:47:55,839 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2019-10-15 02:47:55,839 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2019-10-15 02:47:55,840 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2019-10-15 02:47:55,840 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2019-10-15 02:47:56,747 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2019-10-15 02:48:00,271 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true;
[2019-10-15 02:48:03,232 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-15 02:48:03,232 INFO  L284             CfgBuilder]: Removed 0 assume(true) statements.
[2019-10-15 02:48:03,235 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:48:03 BoogieIcfgContainer
[2019-10-15 02:48:03,236 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-15 02:48:03,238 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-15 02:48:03,238 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-15 02:48:03,243 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-15 02:48:03,243 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:47:52" (1/3) ...
[2019-10-15 02:48:03,244 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459e4a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:48:03, skipping insertion in model container
[2019-10-15 02:48:03,244 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:55" (2/3) ...
[2019-10-15 02:48:03,245 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459e4a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:48:03, skipping insertion in model container
[2019-10-15 02:48:03,245 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:48:03" (3/3) ...
[2019-10-15 02:48:03,248 INFO  L109   eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i
[2019-10-15 02:48:03,262 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-15 02:48:03,279 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-15 02:48:03,298 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-15 02:48:03,350 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-15 02:48:03,350 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-15 02:48:03,350 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-15 02:48:03,351 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-15 02:48:03,351 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-15 02:48:03,351 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-15 02:48:03,351 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-15 02:48:03,352 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-15 02:48:03,415 INFO  L276                IsEmpty]: Start isEmpty. Operand 814 states.
[2019-10-15 02:48:03,454 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 149
[2019-10-15 02:48:03,454 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 02:48:03,457 INFO  L380         BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 02:48:03,461 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 02:48:03,470 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 02:48:03,470 INFO  L82        PathProgramCache]: Analyzing trace with hash 709305547, now seen corresponding path program 1 times
[2019-10-15 02:48:03,483 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 02:48:03,484 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875748552]
[2019-10-15 02:48:03,484 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:48:03,484 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:48:03,485 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 02:48:04,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:48:04,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked.
[2019-10-15 02:48:04,418 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875748552]
[2019-10-15 02:48:04,419 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 02:48:04,419 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-15 02:48:04,419 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617002420]
[2019-10-15 02:48:04,425 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-15 02:48:04,426 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 02:48:04,441 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-15 02:48:04,442 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-15 02:48:04,444 INFO  L87              Difference]: Start difference. First operand 814 states. Second operand 3 states.
[2019-10-15 02:48:05,302 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 02:48:05,303 INFO  L93              Difference]: Finished difference Result 1866 states and 2437 transitions.
[2019-10-15 02:48:05,303 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-10-15 02:48:05,305 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 148
[2019-10-15 02:48:05,306 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 02:48:05,357 INFO  L225             Difference]: With dead ends: 1866
[2019-10-15 02:48:05,357 INFO  L226             Difference]: Without dead ends: 1226
[2019-10-15 02:48:05,373 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
[2019-10-15 02:48:05,400 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1226 states.
[2019-10-15 02:48:05,533 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1223.
[2019-10-15 02:48:05,535 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1223 states.
[2019-10-15 02:48:05,546 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1588 transitions.
[2019-10-15 02:48:05,549 INFO  L78                 Accepts]: Start accepts. Automaton has 1223 states and 1588 transitions. Word has length 148
[2019-10-15 02:48:05,550 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 02:48:05,550 INFO  L462      AbstractCegarLoop]: Abstraction has 1223 states and 1588 transitions.
[2019-10-15 02:48:05,550 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-15 02:48:05,551 INFO  L276                IsEmpty]: Start isEmpty. Operand 1223 states and 1588 transitions.
[2019-10-15 02:48:05,555 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2019-10-15 02:48:05,555 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 02:48:05,555 INFO  L380         BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 02:48:05,556 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 02:48:05,556 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 02:48:05,556 INFO  L82        PathProgramCache]: Analyzing trace with hash -845800899, now seen corresponding path program 1 times
[2019-10-15 02:48:05,556 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 02:48:05,557 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610146804]
[2019-10-15 02:48:05,557 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:48:05,557 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:48:05,557 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 02:48:05,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:48:05,829 INFO  L134       CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked.
[2019-10-15 02:48:05,829 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610146804]
[2019-10-15 02:48:05,830 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 02:48:05,830 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-15 02:48:05,830 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187610528]
[2019-10-15 02:48:05,833 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-15 02:48:05,833 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 02:48:05,834 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-15 02:48:05,834 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-15 02:48:05,834 INFO  L87              Difference]: Start difference. First operand 1223 states and 1588 transitions. Second operand 5 states.
[2019-10-15 02:48:06,064 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 02:48:06,064 INFO  L93              Difference]: Finished difference Result 2405 states and 3120 transitions.
[2019-10-15 02:48:06,065 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-10-15 02:48:06,065 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 152
[2019-10-15 02:48:06,068 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 02:48:06,081 INFO  L225             Difference]: With dead ends: 2405
[2019-10-15 02:48:06,081 INFO  L226             Difference]: Without dead ends: 1222
[2019-10-15 02:48:06,087 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2019-10-15 02:48:06,090 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1222 states.
[2019-10-15 02:48:06,160 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1222.
[2019-10-15 02:48:06,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1222 states.
[2019-10-15 02:48:06,171 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1584 transitions.
[2019-10-15 02:48:06,173 INFO  L78                 Accepts]: Start accepts. Automaton has 1222 states and 1584 transitions. Word has length 152
[2019-10-15 02:48:06,174 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 02:48:06,174 INFO  L462      AbstractCegarLoop]: Abstraction has 1222 states and 1584 transitions.
[2019-10-15 02:48:06,175 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-15 02:48:06,175 INFO  L276                IsEmpty]: Start isEmpty. Operand 1222 states and 1584 transitions.
[2019-10-15 02:48:06,184 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 197
[2019-10-15 02:48:06,185 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 02:48:06,185 INFO  L380         BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 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]
[2019-10-15 02:48:06,185 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 02:48:06,186 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 02:48:06,186 INFO  L82        PathProgramCache]: Analyzing trace with hash -2082918782, now seen corresponding path program 1 times
[2019-10-15 02:48:06,186 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 02:48:06,186 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034297148]
[2019-10-15 02:48:06,187 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:48:06,187 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:48:06,187 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 02:48:06,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:48:06,687 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2019-10-15 02:48:06,687 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034297148]
[2019-10-15 02:48:06,687 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 02:48:06,689 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-15 02:48:06,690 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672989048]
[2019-10-15 02:48:06,691 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-15 02:48:06,691 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 02:48:06,691 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-15 02:48:06,692 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-15 02:48:06,693 INFO  L87              Difference]: Start difference. First operand 1222 states and 1584 transitions. Second operand 3 states.
[2019-10-15 02:48:06,823 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 02:48:06,825 INFO  L93              Difference]: Finished difference Result 3583 states and 4653 transitions.
[2019-10-15 02:48:06,827 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-10-15 02:48:06,827 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 196
[2019-10-15 02:48:06,829 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 02:48:06,849 INFO  L225             Difference]: With dead ends: 3583
[2019-10-15 02:48:06,849 INFO  L226             Difference]: Without dead ends: 2392
[2019-10-15 02:48:06,857 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-15 02:48:06,861 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2392 states.
[2019-10-15 02:48:06,962 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2380.
[2019-10-15 02:48:06,962 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2380 states.
[2019-10-15 02:48:06,978 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 2380 states and 3094 transitions.
[2019-10-15 02:48:06,979 INFO  L78                 Accepts]: Start accepts. Automaton has 2380 states and 3094 transitions. Word has length 196
[2019-10-15 02:48:06,980 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 02:48:06,980 INFO  L462      AbstractCegarLoop]: Abstraction has 2380 states and 3094 transitions.
[2019-10-15 02:48:06,980 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-15 02:48:06,980 INFO  L276                IsEmpty]: Start isEmpty. Operand 2380 states and 3094 transitions.
[2019-10-15 02:48:06,989 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 231
[2019-10-15 02:48:06,989 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 02:48:06,990 INFO  L380         BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 02:48:06,990 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 02:48:06,990 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 02:48:06,991 INFO  L82        PathProgramCache]: Analyzing trace with hash -1172965491, now seen corresponding path program 1 times
[2019-10-15 02:48:06,991 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 02:48:06,991 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011405680]
[2019-10-15 02:48:06,991 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:48:06,991 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:48:06,991 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 02:48:07,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:48:08,012 INFO  L134       CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked.
[2019-10-15 02:48:08,012 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011405680]
[2019-10-15 02:48:08,013 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785911755]
[2019-10-15 02:48:08,013 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-15 02:48:16,384 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:48:16,427 INFO  L256         TraceCheckSpWp]: Trace formula consists of 2711 conjuncts, 33 conjunts are in the unsatisfiable core
[2019-10-15 02:48:16,452 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-10-15 02:48:16,593 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:16,594 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:16,667 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:16,667 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:16,668 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:16,697 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:16,774 INFO  L134       CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked.
[2019-10-15 02:48:16,774 INFO  L321         TraceCheckSpWp]: Computing backward predicates...
[2019-10-15 02:48:17,196 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:17,472 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:17,474 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:17,475 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:17,524 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:17,741 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-15 02:48:18,102 INFO  L134       CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked.
[2019-10-15 02:48:18,103 INFO  L223   tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences.
[2019-10-15 02:48:18,104 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [12] total 21
[2019-10-15 02:48:18,104 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276283549]
[2019-10-15 02:48:18,105 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 15 states
[2019-10-15 02:48:18,105 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 02:48:18,106 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2019-10-15 02:48:18,108 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420
[2019-10-15 02:48:18,108 INFO  L87              Difference]: Start difference. First operand 2380 states and 3094 transitions. Second operand 15 states.