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-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i


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


This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 18:20:31,681 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 18:20:31,683 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 18:20:31,695 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 18:20:31,695 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 18:20:31,696 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 18:20:31,697 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 18:20:31,699 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 18:20:31,701 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 18:20:31,702 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 18:20:31,703 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 18:20:31,704 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 18:20:31,705 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 18:20:31,706 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 18:20:31,707 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 18:20:31,708 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 18:20:31,708 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 18:20:31,709 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 18:20:31,711 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 18:20:31,713 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 18:20:31,715 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 18:20:31,716 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 18:20:31,717 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 18:20:31,718 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 18:20:31,720 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 18:20:31,720 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 18:20:31,720 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 18:20:31,721 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 18:20:31,722 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 18:20:31,722 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 18:20:31,723 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 18:20:31,723 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 18:20:31,724 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 18:20:31,725 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 18:20:31,726 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 18:20:31,726 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-13 18:20:31,727 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2019-10-13 18:20:31,727 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 18:20:31,729 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 18:20:31,729 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 18:20:31,745 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 18:20:31,746 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 18:20:31,748 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 18:20:31,748 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 18:20:31,748 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 18:20:31,748 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 18:20:31,749 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 18:20:31,749 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 18:20:31,749 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 18:20:31,749 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 18:20:31,749 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 18:20:31,750 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 18:20:31,750 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 18:20:31,751 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 18:20:31,751 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 18:20:31,751 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 18:20:31,752 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 18:20:31,752 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 18:20:31,752 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 18:20:31,752 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 18:20:31,752 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 18:20:31,753 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 18:20:31,753 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 18:20:31,753 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 18:20:31,753 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 18:20:31,754 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 18:20:31,754 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 18:20:31,754 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 18:20:31,754 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-13 18:20:32,066 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 18:20:32,086 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 18:20:32,089 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 18:20:32,090 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 18:20:32,091 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 18:20:32,092 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i
[2019-10-13 18:20:32,162 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19292cc0c/d6509c89b8ca4562a0bd1207b574344e/FLAG4760d1e33
[2019-10-13 18:20:32,944 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 18:20:32,946 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i
[2019-10-13 18:20:32,978 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19292cc0c/d6509c89b8ca4562a0bd1207b574344e/FLAG4760d1e33
[2019-10-13 18:20:33,482 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19292cc0c/d6509c89b8ca4562a0bd1207b574344e
[2019-10-13 18:20:33,491 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 18:20:33,493 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 18:20:33,494 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 18:20:33,494 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 18:20:33,499 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 18:20:33,500 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:20:33" (1/1) ...
[2019-10-13 18:20:33,505 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7adda455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:33, skipping insertion in model container
[2019-10-13 18:20:33,505 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:20:33" (1/1) ...
[2019-10-13 18:20:33,513 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 18:20:33,620 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 18:20:34,827 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 18:20:34,872 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 18:20:35,249 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 18:20:35,409 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 18:20:35,410 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:35 WrapperNode
[2019-10-13 18:20:35,410 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 18:20:35,411 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 18:20:35,411 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 18:20:35,412 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 18:20:35,427 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:35" (1/1) ...
[2019-10-13 18:20:35,427 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:35" (1/1) ...
[2019-10-13 18:20:35,506 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:35" (1/1) ...
[2019-10-13 18:20:35,507 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:35" (1/1) ...
[2019-10-13 18:20:35,591 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:35" (1/1) ...
[2019-10-13 18:20:35,610 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:35" (1/1) ...
[2019-10-13 18:20:35,629 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:35" (1/1) ...
[2019-10-13 18:20:35,659 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 18:20:35,659 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 18:20:35,659 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 18:20:35,660 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 18:20:35,661 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:35" (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 18:20:35,727 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 18:20:35,728 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 18:20:35,728 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int
[2019-10-13 18:20:35,728 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int
[2019-10-13 18:20:35,728 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int
[2019-10-13 18:20:35,729 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID
[2019-10-13 18:20:35,729 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int
[2019-10-13 18:20:35,729 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_completion
[2019-10-13 18:20:35,729 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_rceb_check
[2019-10-13 18:20:35,729 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_cmd
[2019-10-13 18:20:35,729 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_print_state
[2019-10-13 18:20:35,730 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_fw_upload
[2019-10-13 18:20:35,730 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_blast_assert
[2019-10-13 18:20:35,730 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_assume_stop
[2019-10-13 18:20:35,730 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent
[2019-10-13 18:20:35,730 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_coherent
[2019-10-13 18:20:35,731 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_urb
[2019-10-13 18:20:35,731 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_urb
[2019-10-13 18:20:35,731 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2019-10-13 18:20:35,731 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2019-10-13 18:20:35,732 INFO  L138     BoogieDeclarations]: Found implementation of procedure fw_hdrs_free
[2019-10-13 18:20:35,732 INFO  L138     BoogieDeclarations]: Found implementation of procedure fw_hdr_load
[2019-10-13 18:20:35,732 INFO  L138     BoogieDeclarations]: Found implementation of procedure fw_hdrs_load
[2019-10-13 18:20:35,732 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_fw_cmp
[2019-10-13 18:20:35,732 INFO  L138     BoogieDeclarations]: Found implementation of procedure mac_fw_hdrs_push
[2019-10-13 18:20:35,732 INFO  L138     BoogieDeclarations]: Found implementation of procedure mac_fw_upload_enable
[2019-10-13 18:20:35,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure mac_fw_upload_disable
[2019-10-13 18:20:35,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure __mac_fw_upload
[2019-10-13 18:20:35,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_pre_fw_upload
[2019-10-13 18:20:35,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_cmd_reset
[2019-10-13 18:20:35,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_fw_is_running_q
[2019-10-13 18:20:35,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_mac_fw_upload
[2019-10-13 18:20:35,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_mpi_write
[2019-10-13 18:20:35,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_mpi_read
[2019-10-13 18:20:35,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_phy_fw_upload
[2019-10-13 18:20:35,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_completion___0
[2019-10-13 18:20:35,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_set_intfdata
[2019-10-13 18:20:35,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_to_usbdev
[2019-10-13 18:20:35,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_register
[2019-10-13 18:20:35,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb
[2019-10-13 18:20:35,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure __create_pipe
[2019-10-13 18:20:35,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure kzalloc
[2019-10-13 18:20:35,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_init
[2019-10-13 18:20:35,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_usb_init
[2019-10-13 18:20:35,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_usb_create
[2019-10-13 18:20:35,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_usb_destroy
[2019-10-13 18:20:35,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_usb_write
[2019-10-13 18:20:35,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_usb_read
[2019-10-13 18:20:35,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_usb_neep_cb
[2019-10-13 18:20:35,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_usb_wait_init_done
[2019-10-13 18:20:35,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_usb_cmd
[2019-10-13 18:20:35,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_usb_probe
[2019-10-13 18:20:35,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_init
[2019-10-13 18:20:35,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_module
[2019-10-13 18:20:35,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_exit
[2019-10-13 18:20:35,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup_module
[2019-10-13 18:20:35,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 18:20:35,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head
[2019-10-13 18:20:35,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2019-10-13 18:20:35,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure _dev_info
[2019-10-13 18:20:35,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure complete
[2019-10-13 18:20:35,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_err
[2019-10-13 18:20:35,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_printk
[2019-10-13 18:20:35,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2019-10-13 18:20:35,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_warn
[2019-10-13 18:20:35,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_random_bytes
[2019-10-13 18:20:35,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_return_value
[2019-10-13 18:20:35,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2019-10-13 18:20:35,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer
[2019-10-13 18:20:35,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure msleep
[2019-10-13 18:20:35,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure release_firmware
[2019-10-13 18:20:35,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure request_firmware
[2019-10-13 18:20:35,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_control_msg
[2019-10-13 18:20:35,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_deregister
[2019-10-13 18:20:35,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_get_dev
[2019-10-13 18:20:35,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_get_intf
[2019-10-13 18:20:35,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_kill_urb
[2019-10-13 18:20:35,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_put_dev
[2019-10-13 18:20:35,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_put_intf
[2019-10-13 18:20:35,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_register_driver
[2019-10-13 18:20:35,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_reset_device
[2019-10-13 18:20:35,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_set_interface
[2019-10-13 18:20:35,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_submit_urb
[2019-10-13 18:20:35,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout
[2019-10-13 18:20:35,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure external_alloc
[2019-10-13 18:20:35,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2019-10-13 18:20:35,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2019-10-13 18:20:35,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2019-10-13 18:20:35,742 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 18:20:35,742 INFO  L130     BoogieDeclarations]: Found specification of procedure __init_waitqueue_head
[2019-10-13 18:20:35,743 INFO  L130     BoogieDeclarations]: Found specification of procedure init_completion
[2019-10-13 18:20:35,743 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 18:20:35,743 INFO  L130     BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout
[2019-10-13 18:20:35,743 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_fw_upload
[2019-10-13 18:20:35,743 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_pre_fw_upload
[2019-10-13 18:20:35,743 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_mac_fw_upload
[2019-10-13 18:20:35,743 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_phy_fw_upload
[2019-10-13 18:20:35,744 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_cmd
[2019-10-13 18:20:35,744 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_rceb_check
[2019-10-13 18:20:35,744 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_err
[2019-10-13 18:20:35,744 INFO  L130     BoogieDeclarations]: Found specification of procedure _dev_info
[2019-10-13 18:20:35,744 INFO  L130     BoogieDeclarations]: Found specification of procedure get_random_bytes
[2019-10-13 18:20:35,744 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 18:20:35,744 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 18:20:35,745 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 18:20:35,745 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int
[2019-10-13 18:20:35,745 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int
[2019-10-13 18:20:35,745 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 18:20:35,745 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_print_state
[2019-10-13 18:20:35,745 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int
[2019-10-13 18:20:35,746 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID
[2019-10-13 18:20:35,746 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_blast_assert
[2019-10-13 18:20:35,746 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer
[2019-10-13 18:20:35,746 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_urb
[2019-10-13 18:20:35,746 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_urb
[2019-10-13 18:20:35,746 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_coherent
[2019-10-13 18:20:35,746 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_coherent
[2019-10-13 18:20:35,747 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_assume_stop
[2019-10-13 18:20:35,747 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2019-10-13 18:20:35,747 INFO  L130     BoogieDeclarations]: Found specification of procedure msleep
[2019-10-13 18:20:35,747 INFO  L130     BoogieDeclarations]: Found specification of procedure memcmp
[2019-10-13 18:20:35,747 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2019-10-13 18:20:35,747 INFO  L130     BoogieDeclarations]: Found specification of procedure request_firmware
[2019-10-13 18:20:35,747 INFO  L130     BoogieDeclarations]: Found specification of procedure release_firmware
[2019-10-13 18:20:35,748 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2019-10-13 18:20:35,748 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2019-10-13 18:20:35,748 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_printk
[2019-10-13 18:20:35,748 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_warn
[2019-10-13 18:20:35,748 INFO  L130     BoogieDeclarations]: Found specification of procedure fw_hdrs_free
[2019-10-13 18:20:35,748 INFO  L130     BoogieDeclarations]: Found specification of procedure fw_hdr_load
[2019-10-13 18:20:35,749 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 18:20:35,749 INFO  L130     BoogieDeclarations]: Found specification of procedure fw_hdrs_load
[2019-10-13 18:20:35,749 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_fw_cmp
[2019-10-13 18:20:35,749 INFO  L130     BoogieDeclarations]: Found specification of procedure mac_fw_hdrs_push
[2019-10-13 18:20:35,749 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int
[2019-10-13 18:20:35,749 INFO  L130     BoogieDeclarations]: Found specification of procedure mac_fw_upload_enable
[2019-10-13 18:20:35,749 INFO  L130     BoogieDeclarations]: Found specification of procedure mac_fw_upload_disable
[2019-10-13 18:20:35,750 INFO  L130     BoogieDeclarations]: Found specification of procedure __mac_fw_upload
[2019-10-13 18:20:35,750 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_cmd_reset
[2019-10-13 18:20:35,750 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_fw_is_running_q
[2019-10-13 18:20:35,750 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2019-10-13 18:20:35,750 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2019-10-13 18:20:35,750 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_mpi_write
[2019-10-13 18:20:35,751 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2019-10-13 18:20:35,751 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_mpi_read
[2019-10-13 18:20:35,751 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2019-10-13 18:20:35,751 INFO  L130     BoogieDeclarations]: Found specification of procedure init_completion___0
[2019-10-13 18:20:35,751 INFO  L130     BoogieDeclarations]: Found specification of procedure complete
[2019-10-13 18:20:35,751 INFO  L130     BoogieDeclarations]: Found specification of procedure init_module
[2019-10-13 18:20:35,751 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup_module
[2019-10-13 18:20:35,752 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2019-10-13 18:20:35,752 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_set_intfdata
[2019-10-13 18:20:35,752 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_get_intf
[2019-10-13 18:20:35,752 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_put_intf
[2019-10-13 18:20:35,752 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_to_usbdev
[2019-10-13 18:20:35,752 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_get_dev
[2019-10-13 18:20:35,752 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_put_dev
[2019-10-13 18:20:35,753 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_reset_device
[2019-10-13 18:20:35,753 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_register_driver
[2019-10-13 18:20:35,753 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_register
[2019-10-13 18:20:35,753 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_deregister
[2019-10-13 18:20:35,753 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_fill_int_urb
[2019-10-13 18:20:35,753 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_submit_urb
[2019-10-13 18:20:35,753 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_kill_urb
[2019-10-13 18:20:35,754 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_control_msg
[2019-10-13 18:20:35,754 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_set_interface
[2019-10-13 18:20:35,754 INFO  L130     BoogieDeclarations]: Found specification of procedure __create_pipe
[2019-10-13 18:20:35,754 INFO  L130     BoogieDeclarations]: Found specification of procedure kzalloc
[2019-10-13 18:20:35,754 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_init
[2019-10-13 18:20:35,754 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_usb_init
[2019-10-13 18:20:35,754 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_usb_create
[2019-10-13 18:20:35,754 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_usb_destroy
[2019-10-13 18:20:35,755 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_usb_write
[2019-10-13 18:20:35,755 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_usb_read
[2019-10-13 18:20:35,755 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_usb_neep_cb
[2019-10-13 18:20:35,755 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_usb_wait_init_done
[2019-10-13 18:20:35,755 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_usb_cmd
[2019-10-13 18:20:35,755 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_usb_probe
[2019-10-13 18:20:35,756 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_init
[2019-10-13 18:20:35,756 INFO  L130     BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_exit
[2019-10-13 18:20:35,756 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_return_value
[2019-10-13 18:20:35,756 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2019-10-13 18:20:35,756 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 18:20:35,756 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 18:20:35,756 INFO  L130     BoogieDeclarations]: Found specification of procedure external_alloc
[2019-10-13 18:20:35,757 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2019-10-13 18:20:35,757 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-10-13 18:20:35,757 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-13 18:20:35,757 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 18:20:35,757 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 18:20:35,757 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-10-13 18:20:35,757 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 18:20:35,758 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2019-10-13 18:20:35,758 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2019-10-13 18:20:35,758 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2019-10-13 18:20:35,758 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2019-10-13 18:20:37,179 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true;
[2019-10-13 18:20:40,344 WARN  L732   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 18:20:40,379 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false;
[2019-10-13 18:20:40,379 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false;
[2019-10-13 18:20:40,426 WARN  L732   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 18:20:40,453 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false;
[2019-10-13 18:20:40,453 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false;
[2019-10-13 18:20:41,006 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 18:20:41,006 INFO  L284             CfgBuilder]: Removed 45 assume(true) statements.
[2019-10-13 18:20:41,008 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:20:41 BoogieIcfgContainer
[2019-10-13 18:20:41,008 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 18:20:41,011 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 18:20:41,011 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 18:20:41,016 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 18:20:41,016 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:20:33" (1/3) ...
[2019-10-13 18:20:41,017 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65330d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:20:41, skipping insertion in model container
[2019-10-13 18:20:41,017 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:35" (2/3) ...
[2019-10-13 18:20:41,018 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65330d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:20:41, skipping insertion in model container
[2019-10-13 18:20:41,018 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:20:41" (3/3) ...
[2019-10-13 18:20:41,021 INFO  L109   eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i
[2019-10-13 18:20:41,030 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 18:20:41,043 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 18:20:41,056 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 18:20:41,094 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 18:20:41,095 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 18:20:41,095 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 18:20:41,095 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 18:20:41,095 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 18:20:41,095 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 18:20:41,096 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 18:20:41,096 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 18:20:41,142 INFO  L276                IsEmpty]: Start isEmpty. Operand 755 states.
[2019-10-13 18:20:41,148 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2019-10-13 18:20:41,149 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:20:41,150 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]
[2019-10-13 18:20:41,152 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:20:41,158 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:20:41,159 INFO  L82        PathProgramCache]: Analyzing trace with hash -1111109876, now seen corresponding path program 1 times
[2019-10-13 18:20:41,167 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:20:41,167 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227637204]
[2019-10-13 18:20:41,168 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:41,168 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:41,168 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:20:41,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,342 WARN  L191               SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 673
[2019-10-13 18:20:44,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,489 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:44,511 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 18:20:44,512 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227637204]
[2019-10-13 18:20:44,513 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:20:44,513 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 18:20:44,513 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608010916]
[2019-10-13 18:20:44,517 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 18:20:44,518 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:20:44,531 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 18:20:44,532 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 18:20:44,534 INFO  L87              Difference]: Start difference. First operand 755 states. Second operand 4 states.
[2019-10-13 18:20:49,975 WARN  L191               SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 675
[2019-10-13 18:21:09,097 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 18:21:09,097 INFO  L93              Difference]: Finished difference Result 2228 states and 3196 transitions.
[2019-10-13 18:21:09,098 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-10-13 18:21:09,099 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 29
[2019-10-13 18:21:09,100 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 18:21:09,131 INFO  L225             Difference]: With dead ends: 2228
[2019-10-13 18:21:09,131 INFO  L226             Difference]: Without dead ends: 1475
[2019-10-13 18:21:09,140 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2019-10-13 18:21:09,157 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1475 states.
[2019-10-13 18:21:09,673 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1419.
[2019-10-13 18:21:09,675 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1419 states.
[2019-10-13 18:21:09,687 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1768 transitions.
[2019-10-13 18:21:09,690 INFO  L78                 Accepts]: Start accepts. Automaton has 1419 states and 1768 transitions. Word has length 29
[2019-10-13 18:21:09,691 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 18:21:09,691 INFO  L462      AbstractCegarLoop]: Abstraction has 1419 states and 1768 transitions.
[2019-10-13 18:21:09,691 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-13 18:21:09,691 INFO  L276                IsEmpty]: Start isEmpty. Operand 1419 states and 1768 transitions.
[2019-10-13 18:21:09,692 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-13 18:21:09,692 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:21:09,692 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 18:21:09,695 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:21:09,696 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:21:09,696 INFO  L82        PathProgramCache]: Analyzing trace with hash -85001063, now seen corresponding path program 1 times
[2019-10-13 18:21:09,696 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:21:09,696 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135647738]
[2019-10-13 18:21:09,697 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:21:09,697 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:21:09,697 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:21:09,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:21:12,123 WARN  L191               SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 673
[2019-10-13 18:21:12,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:21:12,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:21:12,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:21:12,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:21:12,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:21:12,302 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 18:21:12,302 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135647738]
[2019-10-13 18:21:12,303 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:21:12,303 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 18:21:12,304 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926187719]
[2019-10-13 18:21:12,306 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 18:21:12,306 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:21:12,306 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 18:21:12,307 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 18:21:12,307 INFO  L87              Difference]: Start difference. First operand 1419 states and 1768 transitions. Second operand 4 states.