java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i


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


This is Ultimate 0.1.24-13a467a-m
[2019-10-14 22:19:14,933 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-14 22:19:14,936 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-14 22:19:14,956 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-14 22:19:14,956 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-14 22:19:14,959 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-14 22:19:14,961 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-14 22:19:14,972 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-14 22:19:14,976 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-14 22:19:14,979 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-14 22:19:14,981 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-14 22:19:14,983 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-14 22:19:14,983 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-14 22:19:14,986 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-14 22:19:14,988 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-14 22:19:14,990 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-14 22:19:14,992 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-14 22:19:14,993 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-14 22:19:14,995 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-14 22:19:15,000 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-14 22:19:15,005 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-14 22:19:15,008 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-14 22:19:15,011 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-14 22:19:15,012 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-14 22:19:15,014 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-14 22:19:15,015 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-14 22:19:15,015 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-14 22:19:15,017 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-14 22:19:15,018 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-14 22:19:15,019 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-14 22:19:15,019 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-14 22:19:15,021 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-14 22:19:15,022 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-14 22:19:15,023 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-14 22:19:15,024 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-14 22:19:15,025 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-10-14 22:19:15,026 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-14 22:19:15,028 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-14 22:19:15,029 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
[2019-10-14 22:19:15,064 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-14 22:19:15,064 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-14 22:19:15,068 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-14 22:19:15,069 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-14 22:19:15,069 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-14 22:19:15,069 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-14 22:19:15,069 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-14 22:19:15,069 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-14 22:19:15,070 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-14 22:19:15,070 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-14 22:19:15,072 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-14 22:19:15,072 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-14 22:19:15,072 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-14 22:19:15,073 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-14 22:19:15,073 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-14 22:19:15,073 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-14 22:19:15,073 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-14 22:19:15,074 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-14 22:19:15,074 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-14 22:19:15,074 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-14 22:19:15,074 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-14 22:19:15,074 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-14 22:19:15,075 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-14 22:19:15,075 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-14 22:19:15,075 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-14 22:19:15,077 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-14 22:19:15,077 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-14 22:19:15,077 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-14 22:19:15,077 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-14 22:19:15,365 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-14 22:19:15,387 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-14 22:19:15,390 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-14 22:19:15,392 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-14 22:19:15,393 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-14 22:19:15,393 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i
[2019-10-14 22:19:15,479 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eceb4fcf/06f4a7fb80bb4ee1bbc57fabb5cd73d0/FLAG188bb686c
[2019-10-14 22:19:16,297 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-14 22:19:16,298 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i
[2019-10-14 22:19:16,336 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eceb4fcf/06f4a7fb80bb4ee1bbc57fabb5cd73d0/FLAG188bb686c
[2019-10-14 22:19:16,805 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eceb4fcf/06f4a7fb80bb4ee1bbc57fabb5cd73d0
[2019-10-14 22:19:16,815 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-14 22:19:16,817 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-14 22:19:16,821 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-14 22:19:16,821 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-14 22:19:16,824 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-14 22:19:16,825 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:19:16" (1/1) ...
[2019-10-14 22:19:16,828 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c29ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:16, skipping insertion in model container
[2019-10-14 22:19:16,828 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:19:16" (1/1) ...
[2019-10-14 22:19:16,836 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-14 22:19:16,946 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-14 22:19:18,325 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-14 22:19:18,392 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-14 22:19:18,624 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-14 22:19:18,859 INFO  L192         MainTranslator]: Completed translation
[2019-10-14 22:19:18,860 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:18 WrapperNode
[2019-10-14 22:19:18,860 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-14 22:19:18,861 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-14 22:19:18,861 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-14 22:19:18,861 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-14 22:19:18,878 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:18" (1/1) ...
[2019-10-14 22:19:18,879 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:18" (1/1) ...
[2019-10-14 22:19:18,962 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:18" (1/1) ...
[2019-10-14 22:19:18,962 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:18" (1/1) ...
[2019-10-14 22:19:19,047 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:18" (1/1) ...
[2019-10-14 22:19:19,078 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:18" (1/1) ...
[2019-10-14 22:19:19,092 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:18" (1/1) ...
[2019-10-14 22:19:19,117 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-14 22:19:19,118 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-14 22:19:19,118 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-14 22:19:19,118 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-14 22:19:19,119 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:18" (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
[2019-10-14 22:19:19,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-14 22:19:19,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-14 22:19:19,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID
[2019-10-14 22:19:19,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int
[2019-10-14 22:19:19,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable
[2019-10-14 22:19:19,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable
[2019-10-14 22:19:19,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure ERR_PTR
[2019-10-14 22:19:19,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure PTR_ERR
[2019-10-14 22:19:19,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure IS_ERR
[2019-10-14 22:19:19,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock_irq
[2019-10-14 22:19:19,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irq
[2019-10-14 22:19:19,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2019-10-14 22:19:19,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_reset
[2019-10-14 22:19:19,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck
[2019-10-14 22:19:19,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_write_ar
[2019-10-14 22:19:19,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_read_ar
[2019-10-14 22:19:19,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_write_dr
[2019-10-14 22:19:19,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_read_dr
[2019-10-14 22:19:19,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy
[2019-10-14 22:19:19,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready
[2019-10-14 22:19:19,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_name
[2019-10-14 22:19:19,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_flash_blocks_num
[2019-10-14 22:19:19,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_flash_block_size
[2019-10-14 22:19:19,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_flash_size
[2019-10-14 22:19:19,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_access
[2019-10-14 22:19:19,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_store_access
[2019-10-14 22:19:19,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_store_reset
[2019-10-14 22:19:19,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_show_dev_id
[2019-10-14 22:19:19,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_dev_id
[2019-10-14 22:19:19,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_show_rev_id
[2019-10-14 22:19:19,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_rev_id
[2019-10-14 22:19:19,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_flash_access
[2019-10-14 22:19:19,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_store_flash_access
[2019-10-14 22:19:19,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_store_flash_access
[2019-10-14 22:19:19,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_write_flash_erase
[2019-10-14 22:19:19,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_store_flash_erase
[2019-10-14 22:19:19,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_read_flash_data
[2019-10-14 22:19:19,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_read_flash_data
[2019-10-14 22:19:19,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_write_flash_data
[2019-10-14 22:19:19,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_write_flash_data
[2019-10-14 22:19:19,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_device_register
[2019-10-14 22:19:19,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_device_unregister
[2019-10-14 22:19:19,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_init
[2019-10-14 22:19:19,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_exit
[2019-10-14 22:19:19,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_module
[2019-10-14 22:19:19,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup_module
[2019-10-14 22:19:19,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-14 22:19:19,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_blast_assert
[2019-10-14 22:19:19,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_assume_stop
[2019-10-14 22:19:19,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent
[2019-10-14 22:19:19,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_coherent
[2019-10-14 22:19:19,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_urb
[2019-10-14 22:19:19,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_urb
[2019-10-14 22:19:19,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2019-10-14 22:19:19,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure __class_create
[2019-10-14 22:19:19,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure __const_udelay
[2019-10-14 22:19:19,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2019-10-14 22:19:19,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure __mutex_init
[2019-10-14 22:19:19,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure _dev_info
[2019-10-14 22:19:19,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq
[2019-10-14 22:19:19,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq
[2019-10-14 22:19:19,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure class_destroy
[2019-10-14 22:19:19,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_err
[2019-10-14 22:19:19,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_get_drvdata
[2019-10-14 22:19:19,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2019-10-14 22:19:19,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_create
[2019-10-14 22:19:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_create_bin_file
[2019-10-14 22:19:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_destroy
[2019-10-14 22:19:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_remove_bin_file
[2019-10-14 22:19:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure idr_get_new
[2019-10-14 22:19:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure idr_pre_get
[2019-10-14 22:19:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure idr_remove
[2019-10-14 22:19:19,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2019-10-14 22:19:19,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer
[2019-10-14 22:19:19,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_lock_nested
[2019-10-14 22:19:19,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2019-10-14 22:19:19,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2019-10-14 22:19:19,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off
[2019-10-14 22:19:19,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on
[2019-10-14 22:19:19,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure external_alloc
[2019-10-14 22:19:19,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2019-10-14 22:19:19,186 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-14 22:19:19,186 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2019-10-14 22:19:19,187 INFO  L130     BoogieDeclarations]: Found specification of procedure sprintf
[2019-10-14 22:19:19,187 INFO  L130     BoogieDeclarations]: Found specification of procedure sscanf
[2019-10-14 22:19:19,187 INFO  L130     BoogieDeclarations]: Found specification of procedure strncpy
[2019-10-14 22:19:19,187 INFO  L130     BoogieDeclarations]: Found specification of procedure arch_local_irq_disable
[2019-10-14 22:19:19,187 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-14 22:19:19,187 INFO  L130     BoogieDeclarations]: Found specification of procedure arch_local_irq_enable
[2019-10-14 22:19:19,188 INFO  L130     BoogieDeclarations]: Found specification of procedure trace_hardirqs_on
[2019-10-14 22:19:19,188 INFO  L130     BoogieDeclarations]: Found specification of procedure trace_hardirqs_off
[2019-10-14 22:19:19,188 INFO  L130     BoogieDeclarations]: Found specification of procedure ERR_PTR
[2019-10-14 22:19:19,188 INFO  L130     BoogieDeclarations]: Found specification of procedure PTR_ERR
[2019-10-14 22:19:19,188 INFO  L130     BoogieDeclarations]: Found specification of procedure IS_ERR
[2019-10-14 22:19:19,188 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq
[2019-10-14 22:19:19,188 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq
[2019-10-14 22:19:19,189 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock_irq
[2019-10-14 22:19:19,189 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irq
[2019-10-14 22:19:19,189 INFO  L130     BoogieDeclarations]: Found specification of procedure __mutex_init
[2019-10-14 22:19:19,189 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_lock_nested
[2019-10-14 22:19:19,189 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_unlock
[2019-10-14 22:19:19,189 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2019-10-14 22:19:19,189 INFO  L130     BoogieDeclarations]: Found specification of procedure init_module
[2019-10-14 22:19:19,190 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup_module
[2019-10-14 22:19:19,190 INFO  L130     BoogieDeclarations]: Found specification of procedure __class_create
[2019-10-14 22:19:19,190 INFO  L130     BoogieDeclarations]: Found specification of procedure class_destroy
[2019-10-14 22:19:19,190 INFO  L130     BoogieDeclarations]: Found specification of procedure device_create_bin_file
[2019-10-14 22:19:19,190 INFO  L130     BoogieDeclarations]: Found specification of procedure device_remove_bin_file
[2019-10-14 22:19:19,190 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_get_drvdata
[2019-10-14 22:19:19,191 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2019-10-14 22:19:19,191 INFO  L130     BoogieDeclarations]: Found specification of procedure device_create
[2019-10-14 22:19:19,191 INFO  L130     BoogieDeclarations]: Found specification of procedure device_destroy
[2019-10-14 22:19:19,191 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_err
[2019-10-14 22:19:19,191 INFO  L130     BoogieDeclarations]: Found specification of procedure _dev_info
[2019-10-14 22:19:19,191 INFO  L130     BoogieDeclarations]: Found specification of procedure __const_udelay
[2019-10-14 22:19:19,191 INFO  L130     BoogieDeclarations]: Found specification of procedure idr_pre_get
[2019-10-14 22:19:19,192 INFO  L130     BoogieDeclarations]: Found specification of procedure idr_get_new
[2019-10-14 22:19:19,192 INFO  L130     BoogieDeclarations]: Found specification of procedure idr_remove
[2019-10-14 22:19:19,192 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2019-10-14 22:19:19,192 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2019-10-14 22:19:19,192 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_device_register
[2019-10-14 22:19:19,192 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_device_unregister
[2019-10-14 22:19:19,192 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-14 22:19:19,193 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_reset
[2019-10-14 22:19:19,193 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID
[2019-10-14 22:19:19,193 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_strobe_ck
[2019-10-14 22:19:19,193 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_write_ar
[2019-10-14 22:19:19,193 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_read_ar
[2019-10-14 22:19:19,193 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int
[2019-10-14 22:19:19,193 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-14 22:19:19,194 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-14 22:19:19,194 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_write_dr
[2019-10-14 22:19:19,194 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_read_dr
[2019-10-14 22:19:19,194 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy
[2019-10-14 22:19:19,194 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-14 22:19:19,194 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready
[2019-10-14 22:19:19,195 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_name
[2019-10-14 22:19:19,195 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_flash_blocks_num
[2019-10-14 22:19:19,195 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_flash_block_size
[2019-10-14 22:19:19,195 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_flash_size
[2019-10-14 22:19:19,195 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_access
[2019-10-14 22:19:19,195 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_store_access
[2019-10-14 22:19:19,196 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_store_reset
[2019-10-14 22:19:19,196 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_show_dev_id
[2019-10-14 22:19:19,196 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_dev_id
[2019-10-14 22:19:19,196 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_show_rev_id
[2019-10-14 22:19:19,196 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_rev_id
[2019-10-14 22:19:19,196 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_flash_access
[2019-10-14 22:19:19,196 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_store_flash_access
[2019-10-14 22:19:19,197 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_store_flash_access
[2019-10-14 22:19:19,197 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_write_flash_erase
[2019-10-14 22:19:19,197 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_store_flash_erase
[2019-10-14 22:19:19,197 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_read_flash_data
[2019-10-14 22:19:19,197 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_read_flash_data
[2019-10-14 22:19:19,197 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_write_flash_data
[2019-10-14 22:19:19,197 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_write_flash_data
[2019-10-14 22:19:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-14 22:19:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_init
[2019-10-14 22:19:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_exit
[2019-10-14 22:19:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2019-10-14 22:19:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2019-10-14 22:19:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-14 22:19:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-14 22:19:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_blast_assert
[2019-10-14 22:19:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer
[2019-10-14 22:19:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_urb
[2019-10-14 22:19:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_urb
[2019-10-14 22:19:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_coherent
[2019-10-14 22:19:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_coherent
[2019-10-14 22:19:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_assume_stop
[2019-10-14 22:19:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure external_alloc
[2019-10-14 22:19:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-10-14 22:19:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-14 22:19:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-14 22:19:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-14 22:19:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-10-14 22:19:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-14 22:19:20,040 WARN  L732   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-14 22:19:20,064 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;
[2019-10-14 22:19:20,064 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false;
[2019-10-14 22:19:20,844 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true;
[2019-10-14 22:19:21,820 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-14 22:19:21,820 INFO  L284             CfgBuilder]: Removed 28 assume(true) statements.
[2019-10-14 22:19:21,822 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:19:21 BoogieIcfgContainer
[2019-10-14 22:19:21,822 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-14 22:19:21,823 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-14 22:19:21,823 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-14 22:19:21,826 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-14 22:19:21,827 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:19:16" (1/3) ...
[2019-10-14 22:19:21,827 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d8a8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:19:21, skipping insertion in model container
[2019-10-14 22:19:21,828 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:18" (2/3) ...
[2019-10-14 22:19:21,828 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d8a8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:19:21, skipping insertion in model container
[2019-10-14 22:19:21,828 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:19:21" (3/3) ...
[2019-10-14 22:19:21,830 INFO  L109   eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i
[2019-10-14 22:19:21,841 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-14 22:19:21,850 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-14 22:19:21,861 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-14 22:19:21,892 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-14 22:19:21,893 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-14 22:19:21,893 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-14 22:19:21,893 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-14 22:19:21,893 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-14 22:19:21,893 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-14 22:19:21,894 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-14 22:19:21,894 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-14 22:19:21,933 INFO  L276                IsEmpty]: Start isEmpty. Operand 719 states.
[2019-10-14 22:19:21,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-14 22:19:21,941 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-14 22:19:21,943 INFO  L380         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-14 22:19:21,946 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-14 22:19:21,953 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-14 22:19:21,954 INFO  L82        PathProgramCache]: Analyzing trace with hash 901334213, now seen corresponding path program 1 times
[2019-10-14 22:19:21,963 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-14 22:19:21,963 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510820428]
[2019-10-14 22:19:21,964 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 22:19:21,964 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 22:19:21,964 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-14 22:19:22,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:23,593 WARN  L191               SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 331
[2019-10-14 22:19:23,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:23,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:23,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:23,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:23,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:23,810 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-14 22:19:23,811 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510820428]
[2019-10-14 22:19:23,812 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-14 22:19:23,813 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-14 22:19:23,813 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588142795]
[2019-10-14 22:19:23,818 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-14 22:19:23,818 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-14 22:19:23,832 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-14 22:19:23,834 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-10-14 22:19:23,837 INFO  L87              Difference]: Start difference. First operand 719 states. Second operand 7 states.
[2019-10-14 22:19:24,631 WARN  L191               SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 340
[2019-10-14 22:19:33,515 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-14 22:19:33,516 INFO  L93              Difference]: Finished difference Result 843 states and 1314 transitions.
[2019-10-14 22:19:33,516 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-10-14 22:19:33,518 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 30
[2019-10-14 22:19:33,519 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-14 22:19:33,540 INFO  L225             Difference]: With dead ends: 843
[2019-10-14 22:19:33,541 INFO  L226             Difference]: Without dead ends: 435
[2019-10-14 22:19:33,556 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2019-10-14 22:19:33,574 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 435 states.
[2019-10-14 22:19:33,723 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 408.
[2019-10-14 22:19:33,725 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 408 states.
[2019-10-14 22:19:33,731 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 559 transitions.
[2019-10-14 22:19:33,734 INFO  L78                 Accepts]: Start accepts. Automaton has 408 states and 559 transitions. Word has length 30
[2019-10-14 22:19:33,734 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-14 22:19:33,735 INFO  L462      AbstractCegarLoop]: Abstraction has 408 states and 559 transitions.
[2019-10-14 22:19:33,735 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-14 22:19:33,735 INFO  L276                IsEmpty]: Start isEmpty. Operand 408 states and 559 transitions.
[2019-10-14 22:19:33,737 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-14 22:19:33,737 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-14 22:19:33,737 INFO  L380         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-14 22:19:33,738 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-14 22:19:33,738 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-14 22:19:33,738 INFO  L82        PathProgramCache]: Analyzing trace with hash -1586178620, now seen corresponding path program 1 times
[2019-10-14 22:19:33,738 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-14 22:19:33,739 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950451189]
[2019-10-14 22:19:33,739 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 22:19:33,739 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 22:19:33,739 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-14 22:19:33,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:34,552 WARN  L191               SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 331
[2019-10-14 22:19:34,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:34,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:34,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:34,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:34,740 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:34,750 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-14 22:19:34,750 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950451189]
[2019-10-14 22:19:34,750 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-14 22:19:34,751 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-14 22:19:34,751 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446433118]
[2019-10-14 22:19:34,753 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-14 22:19:34,753 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-14 22:19:34,753 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-14 22:19:34,753 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-14 22:19:34,754 INFO  L87              Difference]: Start difference. First operand 408 states and 559 transitions. Second operand 5 states.
[2019-10-14 22:19:35,466 WARN  L191               SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 340
[2019-10-14 22:19:37,457 WARN  L191               SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 342
[2019-10-14 22:19:41,016 WARN  L191               SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 333
[2019-10-14 22:19:43,301 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-14 22:19:43,302 INFO  L93              Difference]: Finished difference Result 436 states and 595 transitions.
[2019-10-14 22:19:43,302 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-10-14 22:19:43,302 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 30
[2019-10-14 22:19:43,302 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-14 22:19:43,307 INFO  L225             Difference]: With dead ends: 436
[2019-10-14 22:19:43,307 INFO  L226             Difference]: Without dead ends: 433
[2019-10-14 22:19:43,309 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2019-10-14 22:19:43,310 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 433 states.
[2019-10-14 22:19:43,415 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 407.
[2019-10-14 22:19:43,415 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 407 states.
[2019-10-14 22:19:43,419 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 557 transitions.
[2019-10-14 22:19:43,419 INFO  L78                 Accepts]: Start accepts. Automaton has 407 states and 557 transitions. Word has length 30
[2019-10-14 22:19:43,419 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-14 22:19:43,420 INFO  L462      AbstractCegarLoop]: Abstraction has 407 states and 557 transitions.
[2019-10-14 22:19:43,420 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-14 22:19:43,420 INFO  L276                IsEmpty]: Start isEmpty. Operand 407 states and 557 transitions.
[2019-10-14 22:19:43,421 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2019-10-14 22:19:43,421 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-14 22:19:43,421 INFO  L380         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-14 22:19:43,422 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-14 22:19:43,422 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-14 22:19:43,422 INFO  L82        PathProgramCache]: Analyzing trace with hash -1927427147, now seen corresponding path program 1 times
[2019-10-14 22:19:43,422 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-14 22:19:43,422 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858523652]
[2019-10-14 22:19:43,423 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 22:19:43,423 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 22:19:43,423 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-14 22:19:43,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:44,257 WARN  L191               SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 331
[2019-10-14 22:19:44,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:44,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:44,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:44,384 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:44,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 22:19:44,399 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-14 22:19:44,400 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858523652]
[2019-10-14 22:19:44,400 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-14 22:19:44,400 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-14 22:19:44,401 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684494321]
[2019-10-14 22:19:44,401 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-14 22:19:44,401 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-14 22:19:44,402 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-14 22:19:44,402 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-14 22:19:44,402 INFO  L87              Difference]: Start difference. First operand 407 states and 557 transitions. Second operand 5 states.
[2019-10-14 22:19:45,144 WARN  L191               SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 340
[2019-10-14 22:19:46,759 WARN  L191               SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 342
[2019-10-14 22:19:50,168 WARN  L191               SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 333
[2019-10-14 22:19:52,333 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-14 22:19:52,334 INFO  L93              Difference]: Finished difference Result 433 states and 592 transitions.
[2019-10-14 22:19:52,334 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-10-14 22:19:52,335 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 31
[2019-10-14 22:19:52,335 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-14 22:19:52,336 INFO  L225             Difference]: With dead ends: 433
[2019-10-14 22:19:52,336 INFO  L226             Difference]: Without dead ends: 0
[2019-10-14 22:19:52,340 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2019-10-14 22:19:52,340 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-14 22:19:52,341 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-14 22:19:52,341 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-14 22:19:52,341 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-14 22:19:52,341 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31
[2019-10-14 22:19:52,342 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-14 22:19:52,342 INFO  L462      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-14 22:19:52,342 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-14 22:19:52,342 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-14 22:19:52,342 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-14 22:19:52,350 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.