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-f4eb214f-m
[2019-10-13 18:20:15,665 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 18:20:15,668 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 18:20:15,686 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 18:20:15,686 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 18:20:15,688 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 18:20:15,690 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 18:20:15,700 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 18:20:15,704 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 18:20:15,706 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 18:20:15,709 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 18:20:15,711 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 18:20:15,711 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 18:20:15,713 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 18:20:15,716 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 18:20:15,717 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 18:20:15,719 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 18:20:15,720 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 18:20:15,721 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 18:20:15,726 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 18:20:15,730 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 18:20:15,733 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 18:20:15,735 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 18:20:15,736 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 18:20:15,738 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 18:20:15,738 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 18:20:15,739 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 18:20:15,740 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 18:20:15,742 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 18:20:15,742 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 18:20:15,743 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 18:20:15,744 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 18:20:15,744 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 18:20:15,745 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 18:20:15,746 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 18:20:15,747 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-13 18:20:15,748 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-13 18:20:15,748 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-13 18:20:15,748 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 18:20:15,750 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 18:20:15,751 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 18:20:15,765 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 18:20:15,765 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 18:20:15,766 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 18:20:15,766 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 18:20:15,767 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 18:20:15,767 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 18:20:15,767 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 18:20:15,767 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 18:20:15,767 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 18:20:15,768 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 18:20:15,768 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 18:20:15,768 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 18:20:15,768 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 18:20:15,768 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 18:20:15,769 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 18:20:15,769 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 18:20:15,769 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 18:20:15,769 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 18:20:15,769 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 18:20:15,770 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 18:20:15,770 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 18:20:15,770 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 18:20:15,770 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 18:20:15,770 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 18:20:15,771 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 18:20:15,771 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 18:20:15,771 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 18:20:15,771 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 18:20:15,771 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-13 18:20:16,065 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 18:20:16,078 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 18:20:16,082 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 18:20:16,083 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 18:20:16,084 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 18:20:16,084 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i
[2019-10-13 18:20:16,158 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab4837b1d/549e6b3d9b3e43d5877b27e0a4aa20cd/FLAG5a7e206a0
[2019-10-13 18:20:16,955 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 18:20:16,955 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i
[2019-10-13 18:20:16,989 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab4837b1d/549e6b3d9b3e43d5877b27e0a4aa20cd/FLAG5a7e206a0
[2019-10-13 18:20:17,471 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab4837b1d/549e6b3d9b3e43d5877b27e0a4aa20cd
[2019-10-13 18:20:17,480 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 18:20:17,482 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 18:20:17,483 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 18:20:17,483 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 18:20:17,487 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 18:20:17,488 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:20:17" (1/1) ...
[2019-10-13 18:20:17,491 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f974cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:17, skipping insertion in model container
[2019-10-13 18:20:17,491 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:20:17" (1/1) ...
[2019-10-13 18:20:17,498 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 18:20:17,603 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 18:20:18,812 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 18:20:18,875 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 18:20:19,273 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 18:20:19,519 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 18:20:19,521 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:19 WrapperNode
[2019-10-13 18:20:19,521 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 18:20:19,522 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 18:20:19,523 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 18:20:19,523 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 18:20:19,541 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:19" (1/1) ...
[2019-10-13 18:20:19,541 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:19" (1/1) ...
[2019-10-13 18:20:19,630 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:19" (1/1) ...
[2019-10-13 18:20:19,630 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:19" (1/1) ...
[2019-10-13 18:20:19,726 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:19" (1/1) ...
[2019-10-13 18:20:19,755 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:19" (1/1) ...
[2019-10-13 18:20:19,777 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:19" (1/1) ...
[2019-10-13 18:20:19,800 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 18:20:19,801 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 18:20:19,801 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 18:20:19,802 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 18:20:19,803 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:19" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 18:20:19,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 18:20:19,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 18:20:19,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID
[2019-10-13 18:20:19,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int
[2019-10-13 18:20:19,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable
[2019-10-13 18:20:19,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable
[2019-10-13 18:20:19,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure ERR_PTR
[2019-10-13 18:20:19,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure PTR_ERR
[2019-10-13 18:20:19,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure IS_ERR
[2019-10-13 18:20:19,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock_irq
[2019-10-13 18:20:19,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irq
[2019-10-13 18:20:19,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2019-10-13 18:20:19,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_reset
[2019-10-13 18:20:19,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck
[2019-10-13 18:20:19,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_write_ar
[2019-10-13 18:20:19,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_read_ar
[2019-10-13 18:20:19,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_write_dr
[2019-10-13 18:20:19,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_read_dr
[2019-10-13 18:20:19,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy
[2019-10-13 18:20:19,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready
[2019-10-13 18:20:19,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_name
[2019-10-13 18:20:19,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_flash_blocks_num
[2019-10-13 18:20:19,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_flash_block_size
[2019-10-13 18:20:19,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_flash_size
[2019-10-13 18:20:19,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_access
[2019-10-13 18:20:19,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_store_access
[2019-10-13 18:20:19,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_store_reset
[2019-10-13 18:20:19,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_show_dev_id
[2019-10-13 18:20:19,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_dev_id
[2019-10-13 18:20:19,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_show_rev_id
[2019-10-13 18:20:19,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_rev_id
[2019-10-13 18:20:19,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_show_flash_access
[2019-10-13 18:20:19,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_store_flash_access
[2019-10-13 18:20:19,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_store_flash_access
[2019-10-13 18:20:19,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_write_flash_erase
[2019-10-13 18:20:19,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_store_flash_erase
[2019-10-13 18:20:19,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_read_flash_data
[2019-10-13 18:20:19,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_read_flash_data
[2019-10-13 18:20:19,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure __c2port_write_flash_data
[2019-10-13 18:20:19,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_write_flash_data
[2019-10-13 18:20:19,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_device_register
[2019-10-13 18:20:19,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_device_unregister
[2019-10-13 18:20:19,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_init
[2019-10-13 18:20:19,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure c2port_exit
[2019-10-13 18:20:19,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_module
[2019-10-13 18:20:19,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup_module
[2019-10-13 18:20:19,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 18:20:19,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_blast_assert
[2019-10-13 18:20:19,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_assume_stop
[2019-10-13 18:20:19,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent
[2019-10-13 18:20:19,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_coherent
[2019-10-13 18:20:19,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_urb
[2019-10-13 18:20:19,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_urb
[2019-10-13 18:20:19,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2019-10-13 18:20:19,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure __class_create
[2019-10-13 18:20:19,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure __const_udelay
[2019-10-13 18:20:19,882 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2019-10-13 18:20:19,882 INFO  L138     BoogieDeclarations]: Found implementation of procedure __mutex_init
[2019-10-13 18:20:19,882 INFO  L138     BoogieDeclarations]: Found implementation of procedure _dev_info
[2019-10-13 18:20:19,882 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq
[2019-10-13 18:20:19,882 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq
[2019-10-13 18:20:19,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure class_destroy
[2019-10-13 18:20:19,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_err
[2019-10-13 18:20:19,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_get_drvdata
[2019-10-13 18:20:19,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2019-10-13 18:20:19,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_create
[2019-10-13 18:20:19,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_create_bin_file
[2019-10-13 18:20:19,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_destroy
[2019-10-13 18:20:19,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_remove_bin_file
[2019-10-13 18:20:19,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure idr_get_new
[2019-10-13 18:20:19,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure idr_pre_get
[2019-10-13 18:20:19,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure idr_remove
[2019-10-13 18:20:19,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2019-10-13 18:20:19,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer
[2019-10-13 18:20:19,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_lock_nested
[2019-10-13 18:20:19,886 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2019-10-13 18:20:19,886 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2019-10-13 18:20:19,886 INFO  L138     BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off
[2019-10-13 18:20:19,886 INFO  L138     BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on
[2019-10-13 18:20:19,886 INFO  L138     BoogieDeclarations]: Found implementation of procedure external_alloc
[2019-10-13 18:20:19,887 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2019-10-13 18:20:19,887 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 18:20:19,888 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2019-10-13 18:20:19,888 INFO  L130     BoogieDeclarations]: Found specification of procedure sprintf
[2019-10-13 18:20:19,888 INFO  L130     BoogieDeclarations]: Found specification of procedure sscanf
[2019-10-13 18:20:19,888 INFO  L130     BoogieDeclarations]: Found specification of procedure strncpy
[2019-10-13 18:20:19,888 INFO  L130     BoogieDeclarations]: Found specification of procedure arch_local_irq_disable
[2019-10-13 18:20:19,889 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 18:20:19,889 INFO  L130     BoogieDeclarations]: Found specification of procedure arch_local_irq_enable
[2019-10-13 18:20:19,889 INFO  L130     BoogieDeclarations]: Found specification of procedure trace_hardirqs_on
[2019-10-13 18:20:19,890 INFO  L130     BoogieDeclarations]: Found specification of procedure trace_hardirqs_off
[2019-10-13 18:20:19,890 INFO  L130     BoogieDeclarations]: Found specification of procedure ERR_PTR
[2019-10-13 18:20:19,890 INFO  L130     BoogieDeclarations]: Found specification of procedure PTR_ERR
[2019-10-13 18:20:19,891 INFO  L130     BoogieDeclarations]: Found specification of procedure IS_ERR
[2019-10-13 18:20:19,891 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq
[2019-10-13 18:20:19,891 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq
[2019-10-13 18:20:19,891 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock_irq
[2019-10-13 18:20:19,891 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irq
[2019-10-13 18:20:19,891 INFO  L130     BoogieDeclarations]: Found specification of procedure __mutex_init
[2019-10-13 18:20:19,892 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_lock_nested
[2019-10-13 18:20:19,892 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_unlock
[2019-10-13 18:20:19,892 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2019-10-13 18:20:19,892 INFO  L130     BoogieDeclarations]: Found specification of procedure init_module
[2019-10-13 18:20:19,892 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup_module
[2019-10-13 18:20:19,892 INFO  L130     BoogieDeclarations]: Found specification of procedure __class_create
[2019-10-13 18:20:19,892 INFO  L130     BoogieDeclarations]: Found specification of procedure class_destroy
[2019-10-13 18:20:19,893 INFO  L130     BoogieDeclarations]: Found specification of procedure device_create_bin_file
[2019-10-13 18:20:19,893 INFO  L130     BoogieDeclarations]: Found specification of procedure device_remove_bin_file
[2019-10-13 18:20:19,893 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_get_drvdata
[2019-10-13 18:20:19,893 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2019-10-13 18:20:19,893 INFO  L130     BoogieDeclarations]: Found specification of procedure device_create
[2019-10-13 18:20:19,893 INFO  L130     BoogieDeclarations]: Found specification of procedure device_destroy
[2019-10-13 18:20:19,893 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_err
[2019-10-13 18:20:19,894 INFO  L130     BoogieDeclarations]: Found specification of procedure _dev_info
[2019-10-13 18:20:19,894 INFO  L130     BoogieDeclarations]: Found specification of procedure __const_udelay
[2019-10-13 18:20:19,894 INFO  L130     BoogieDeclarations]: Found specification of procedure idr_pre_get
[2019-10-13 18:20:19,894 INFO  L130     BoogieDeclarations]: Found specification of procedure idr_get_new
[2019-10-13 18:20:19,895 INFO  L130     BoogieDeclarations]: Found specification of procedure idr_remove
[2019-10-13 18:20:19,895 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2019-10-13 18:20:19,895 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2019-10-13 18:20:19,895 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_device_register
[2019-10-13 18:20:19,895 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_device_unregister
[2019-10-13 18:20:19,896 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 18:20:19,896 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_reset
[2019-10-13 18:20:19,896 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID
[2019-10-13 18:20:19,897 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_strobe_ck
[2019-10-13 18:20:19,897 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_write_ar
[2019-10-13 18:20:19,897 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_read_ar
[2019-10-13 18:20:19,897 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int
[2019-10-13 18:20:19,897 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 18:20:19,898 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 18:20:19,898 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_write_dr
[2019-10-13 18:20:19,898 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_read_dr
[2019-10-13 18:20:19,898 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy
[2019-10-13 18:20:19,898 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 18:20:19,899 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready
[2019-10-13 18:20:19,899 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_name
[2019-10-13 18:20:19,899 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_flash_blocks_num
[2019-10-13 18:20:19,899 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_flash_block_size
[2019-10-13 18:20:19,900 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_flash_size
[2019-10-13 18:20:19,903 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_access
[2019-10-13 18:20:19,906 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_store_access
[2019-10-13 18:20:19,906 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_store_reset
[2019-10-13 18:20:19,907 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_show_dev_id
[2019-10-13 18:20:19,912 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_dev_id
[2019-10-13 18:20:19,913 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_show_rev_id
[2019-10-13 18:20:19,913 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_rev_id
[2019-10-13 18:20:19,913 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_show_flash_access
[2019-10-13 18:20:19,914 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_store_flash_access
[2019-10-13 18:20:19,914 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_store_flash_access
[2019-10-13 18:20:19,914 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_write_flash_erase
[2019-10-13 18:20:19,914 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_store_flash_erase
[2019-10-13 18:20:19,914 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_read_flash_data
[2019-10-13 18:20:19,914 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_read_flash_data
[2019-10-13 18:20:19,915 INFO  L130     BoogieDeclarations]: Found specification of procedure __c2port_write_flash_data
[2019-10-13 18:20:19,915 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_write_flash_data
[2019-10-13 18:20:19,915 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 18:20:19,915 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_init
[2019-10-13 18:20:19,915 INFO  L130     BoogieDeclarations]: Found specification of procedure c2port_exit
[2019-10-13 18:20:19,915 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2019-10-13 18:20:19,915 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2019-10-13 18:20:19,915 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 18:20:19,916 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 18:20:19,916 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_blast_assert
[2019-10-13 18:20:19,916 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer
[2019-10-13 18:20:19,916 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_urb
[2019-10-13 18:20:19,917 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_urb
[2019-10-13 18:20:19,917 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_coherent
[2019-10-13 18:20:19,917 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_coherent
[2019-10-13 18:20:19,917 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_assume_stop
[2019-10-13 18:20:19,917 INFO  L130     BoogieDeclarations]: Found specification of procedure external_alloc
[2019-10-13 18:20:19,917 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-10-13 18:20:19,917 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-13 18:20:19,918 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 18:20:19,918 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 18:20:19,918 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-10-13 18:20:19,918 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 18:20:20,758 WARN  L732   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 18:20:20,781 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;
[2019-10-13 18:20:20,781 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false;
[2019-10-13 18:20:21,645 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true;
[2019-10-13 18:20:22,448 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 18:20:22,448 INFO  L284             CfgBuilder]: Removed 28 assume(true) statements.
[2019-10-13 18:20:22,450 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:20:22 BoogieIcfgContainer
[2019-10-13 18:20:22,450 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 18:20:22,451 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 18:20:22,451 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 18:20:22,455 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 18:20:22,455 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:20:17" (1/3) ...
[2019-10-13 18:20:22,456 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586886c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:20:22, skipping insertion in model container
[2019-10-13 18:20:22,456 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:19" (2/3) ...
[2019-10-13 18:20:22,457 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586886c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:20:22, skipping insertion in model container
[2019-10-13 18:20:22,457 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:20:22" (3/3) ...
[2019-10-13 18:20:22,459 INFO  L109   eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i
[2019-10-13 18:20:22,470 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 18:20:22,482 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 18:20:22,495 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 18:20:22,536 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 18:20:22,536 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 18:20:22,536 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 18:20:22,536 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 18:20:22,536 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 18:20:22,537 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 18:20:22,537 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 18:20:22,537 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 18:20:22,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 719 states.
[2019-10-13 18:20:22,592 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-13 18:20:22,593 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:20:22,595 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]
[2019-10-13 18:20:22,598 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:20:22,604 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:20:22,605 INFO  L82        PathProgramCache]: Analyzing trace with hash 901334213, now seen corresponding path program 1 times
[2019-10-13 18:20:22,613 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:20:22,614 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065684853]
[2019-10-13 18:20:22,614 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:22,615 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:22,615 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:20:22,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:24,019 WARN  L191               SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 331
[2019-10-13 18:20:24,036 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:24,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:24,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:24,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:24,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:24,264 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 18:20:24,265 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065684853]
[2019-10-13 18:20:24,266 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:20:24,266 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-13 18:20:24,267 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824054641]
[2019-10-13 18:20:24,272 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 18:20:24,272 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:20:24,286 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 18:20:24,286 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-10-13 18:20:24,288 INFO  L87              Difference]: Start difference. First operand 719 states. Second operand 7 states.
[2019-10-13 18:20:25,019 WARN  L191               SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 340
[2019-10-13 18:20:33,522 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 18:20:33,522 INFO  L93              Difference]: Finished difference Result 843 states and 1314 transitions.
[2019-10-13 18:20:33,523 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-10-13 18:20:33,525 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 30
[2019-10-13 18:20:33,526 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 18:20:33,547 INFO  L225             Difference]: With dead ends: 843
[2019-10-13 18:20:33,547 INFO  L226             Difference]: Without dead ends: 435
[2019-10-13 18:20:33,562 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2019-10-13 18:20:33,582 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 435 states.
[2019-10-13 18:20:33,723 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 408.
[2019-10-13 18:20:33,725 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 408 states.
[2019-10-13 18:20:33,731 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 559 transitions.
[2019-10-13 18:20:33,733 INFO  L78                 Accepts]: Start accepts. Automaton has 408 states and 559 transitions. Word has length 30
[2019-10-13 18:20:33,734 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 18:20:33,734 INFO  L462      AbstractCegarLoop]: Abstraction has 408 states and 559 transitions.
[2019-10-13 18:20:33,734 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 18:20:33,734 INFO  L276                IsEmpty]: Start isEmpty. Operand 408 states and 559 transitions.
[2019-10-13 18:20:33,736 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-13 18:20:33,736 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:20:33,736 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]
[2019-10-13 18:20:33,737 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:20:33,737 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:20:33,737 INFO  L82        PathProgramCache]: Analyzing trace with hash -1586178620, now seen corresponding path program 1 times
[2019-10-13 18:20:33,737 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:20:33,738 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699163219]
[2019-10-13 18:20:33,738 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:33,738 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:33,738 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:20:33,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:34,506 WARN  L191               SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 331
[2019-10-13 18:20:34,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:34,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:34,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:34,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:34,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:34,663 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 18:20:34,664 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699163219]
[2019-10-13 18:20:34,664 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:20:34,665 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 18:20:34,665 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153705017]
[2019-10-13 18:20:34,667 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 18:20:34,668 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:20:34,668 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 18:20:34,668 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-13 18:20:34,668 INFO  L87              Difference]: Start difference. First operand 408 states and 559 transitions. Second operand 5 states.
[2019-10-13 18:20:35,432 WARN  L191               SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 340
[2019-10-13 18:20:37,296 WARN  L191               SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 342
[2019-10-13 18:20:40,739 WARN  L191               SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 333
[2019-10-13 18:20:43,223 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 18:20:43,223 INFO  L93              Difference]: Finished difference Result 436 states and 595 transitions.
[2019-10-13 18:20:43,224 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-10-13 18:20:43,224 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 30
[2019-10-13 18:20:43,224 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 18:20:43,231 INFO  L225             Difference]: With dead ends: 436
[2019-10-13 18:20:43,231 INFO  L226             Difference]: Without dead ends: 433
[2019-10-13 18:20:43,233 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
[2019-10-13 18:20:43,234 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 433 states.
[2019-10-13 18:20:43,336 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 407.
[2019-10-13 18:20:43,337 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 407 states.
[2019-10-13 18:20:43,341 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 557 transitions.
[2019-10-13 18:20:43,341 INFO  L78                 Accepts]: Start accepts. Automaton has 407 states and 557 transitions. Word has length 30
[2019-10-13 18:20:43,342 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 18:20:43,342 INFO  L462      AbstractCegarLoop]: Abstraction has 407 states and 557 transitions.
[2019-10-13 18:20:43,342 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 18:20:43,342 INFO  L276                IsEmpty]: Start isEmpty. Operand 407 states and 557 transitions.
[2019-10-13 18:20:43,343 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2019-10-13 18:20:43,343 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:20:43,343 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]
[2019-10-13 18:20:43,344 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:20:43,344 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:20:43,344 INFO  L82        PathProgramCache]: Analyzing trace with hash -1927427147, now seen corresponding path program 1 times
[2019-10-13 18:20:43,344 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:20:43,344 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995551184]
[2019-10-13 18:20:43,345 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:43,345 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:43,345 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:20:43,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,106 WARN  L191               SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 331
[2019-10-13 18:20:44,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,252 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 18:20:44,265 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995551184]
[2019-10-13 18:20:44,266 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:20:44,266 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 18:20:44,266 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33534350]
[2019-10-13 18:20:44,267 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 18:20:44,267 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:20:44,267 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 18:20:44,267 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-13 18:20:44,268 INFO  L87              Difference]: Start difference. First operand 407 states and 557 transitions. Second operand 5 states.
[2019-10-13 18:20:45,001 WARN  L191               SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 340
[2019-10-13 18:20:46,463 WARN  L191               SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 342
[2019-10-13 18:20:49,667 WARN  L191               SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 333
[2019-10-13 18:20:52,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 18:20:52,044 INFO  L93              Difference]: Finished difference Result 433 states and 592 transitions.
[2019-10-13 18:20:52,045 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-10-13 18:20:52,045 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 31
[2019-10-13 18:20:52,045 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 18:20:52,046 INFO  L225             Difference]: With dead ends: 433
[2019-10-13 18:20:52,046 INFO  L226             Difference]: Without dead ends: 0
[2019-10-13 18:20:52,050 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2019-10-13 18:20:52,050 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 18:20:52,050 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 18:20:52,050 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 18:20:52,051 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 18:20:52,051 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31
[2019-10-13 18:20:52,051 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 18:20:52,051 INFO  L462      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 18:20:52,051 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 18:20:52,051 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 18:20:52,052 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 18:20:52,055 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.