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-net-usb-catc.ko.cil.out.i


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


This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 18:20:20,596 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 18:20:20,598 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 18:20:20,611 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 18:20:20,611 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 18:20:20,612 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 18:20:20,614 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 18:20:20,615 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 18:20:20,617 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 18:20:20,618 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 18:20:20,619 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 18:20:20,620 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 18:20:20,620 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 18:20:20,621 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 18:20:20,622 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 18:20:20,623 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 18:20:20,624 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 18:20:20,625 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 18:20:20,626 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 18:20:20,628 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 18:20:20,629 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 18:20:20,630 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 18:20:20,631 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 18:20:20,632 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 18:20:20,634 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 18:20:20,635 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 18:20:20,635 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 18:20:20,636 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 18:20:20,636 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 18:20:20,637 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 18:20:20,637 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 18:20:20,638 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 18:20:20,639 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 18:20:20,640 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 18:20:20,641 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 18:20:20,641 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-10-13 18:20:20,642 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 18:20:20,643 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 18:20:20,644 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 18:20:20,658 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 18:20:20,658 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 18:20:20,660 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 18:20:20,660 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 18:20:20,660 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 18:20:20,660 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 18:20:20,661 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 18:20:20,661 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 18:20:20,661 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 18:20:20,661 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 18:20:20,661 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 18:20:20,662 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 18:20:20,662 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 18:20:20,663 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 18:20:20,663 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 18:20:20,663 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 18:20:20,664 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 18:20:20,664 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 18:20:20,664 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 18:20:20,664 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 18:20:20,664 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 18:20:20,665 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 18:20:20,665 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 18:20:20,665 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 18:20:20,666 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 18:20:20,666 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 18:20:20,666 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 18:20:20,666 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 18:20:20,666 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-13 18:20:21,016 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 18:20:21,037 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 18:20:21,042 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 18:20:21,044 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 18:20:21,044 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 18:20:21,045 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i
[2019-10-13 18:20:21,116 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc1aab6c/8fb1b4c0d37a4aa7801bf7f3b339625b/FLAG3f2e8773b
[2019-10-13 18:20:21,824 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 18:20:21,826 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i
[2019-10-13 18:20:21,870 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc1aab6c/8fb1b4c0d37a4aa7801bf7f3b339625b/FLAG3f2e8773b
[2019-10-13 18:20:21,903 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc1aab6c/8fb1b4c0d37a4aa7801bf7f3b339625b
[2019-10-13 18:20:21,914 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 18:20:21,916 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 18:20:21,917 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 18:20:21,918 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 18:20:21,921 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 18:20:21,922 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:20:21" (1/1) ...
[2019-10-13 18:20:21,925 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e8954d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:21, skipping insertion in model container
[2019-10-13 18:20:21,925 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:20:21" (1/1) ...
[2019-10-13 18:20:21,934 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 18:20:22,063 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 18:20:23,612 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 18:20:23,668 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 18:20:23,973 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 18:20:24,728 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 18:20:24,729 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24 WrapperNode
[2019-10-13 18:20:24,729 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 18:20:24,730 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 18:20:24,731 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 18:20:24,731 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 18:20:24,746 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ...
[2019-10-13 18:20:24,746 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ...
[2019-10-13 18:20:24,823 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ...
[2019-10-13 18:20:24,825 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ...
[2019-10-13 18:20:24,930 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ...
[2019-10-13 18:20:24,964 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ...
[2019-10-13 18:20:24,989 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ...
[2019-10-13 18:20:25,010 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 18:20:25,011 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 18:20:25,011 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 18:20:25,011 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 18:20:25,012 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 18:20:25,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 18:20:25,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 18:20:25,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID
[2019-10-13 18:20:25,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_bit
[2019-10-13 18:20:25,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure clear_bit
[2019-10-13 18:20:25,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure test_and_set_bit
[2019-10-13 18:20:25,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure test_and_clear_bit
[2019-10-13 18:20:25,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure __fswab16
[2019-10-13 18:20:25,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure __swab16p
[2019-10-13 18:20:25,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure __le16_to_cpup
[2019-10-13 18:20:25,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure __be16_to_cpup
[2019-10-13 18:20:25,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_read
[2019-10-13 18:20:25,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_set
[2019-10-13 18:20:25,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_inc
[2019-10-13 18:20:25,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_dec
[2019-10-13 18:20:25,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure spinlock_check
[2019-10-13 18:20:25,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore
[2019-10-13 18:20:25,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data
[2019-10-13 18:20:25,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data
[2019-10-13 18:20:25,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set
[2019-10-13 18:20:25,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue
[2019-10-13 18:20:25,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_priv
[2019-10-13 18:20:25,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue
[2019-10-13 18:20:25,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_start_queue
[2019-10-13 18:20:25,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue
[2019-10-13 18:20:25,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_wake_queue
[2019-10-13 18:20:25,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue
[2019-10-13 18:20:25,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_stop_queue
[2019-10-13 18:20:25,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_get_intfdata
[2019-10-13 18:20:25,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_set_intfdata
[2019-10-13 18:20:25,084 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_to_usbdev
[2019-10-13 18:20:25,084 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_make_path
[2019-10-13 18:20:25,084 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_register
[2019-10-13 18:20:25,084 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb
[2019-10-13 18:20:25,084 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb
[2019-10-13 18:20:25,084 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb
[2019-10-13 18:20:25,084 INFO  L138     BoogieDeclarations]: Found implementation of procedure __create_pipe
[2019-10-13 18:20:25,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_rx_done
[2019-10-13 18:20:25,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_irq_done
[2019-10-13 18:20:25,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_tx_run
[2019-10-13 18:20:25,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_tx_done
[2019-10-13 18:20:25,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_start_xmit
[2019-10-13 18:20:25,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_tx_timeout
[2019-10-13 18:20:25,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg
[2019-10-13 18:20:25,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_ctrl_run
[2019-10-13 18:20:25,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_ctrl_done
[2019-10-13 18:20:25,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_ctrl_async
[2019-10-13 18:20:25,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_stats_done
[2019-10-13 18:20:25,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_stats_timer
[2019-10-13 18:20:25,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_multicast
[2019-10-13 18:20:25,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list
[2019-10-13 18:20:25,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo
[2019-10-13 18:20:25,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_get_settings
[2019-10-13 18:20:25,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_open
[2019-10-13 18:20:25,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_stop
[2019-10-13 18:20:25,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_probe
[2019-10-13 18:20:25,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_disconnect
[2019-10-13 18:20:25,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_init
[2019-10-13 18:20:25,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure catc_exit
[2019-10-13 18:20:25,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_module
[2019-10-13 18:20:25,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup_module
[2019-10-13 18:20:25,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 18:20:25,088 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_blast_assert
[2019-10-13 18:20:25,088 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_assume_stop
[2019-10-13 18:20:25,088 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent
[2019-10-13 18:20:25,088 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_coherent
[2019-10-13 18:20:25,088 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_urb
[2019-10-13 18:20:25,088 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_urb
[2019-10-13 18:20:25,089 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2019-10-13 18:20:25,089 INFO  L138     BoogieDeclarations]: Found implementation of procedure __netif_schedule
[2019-10-13 18:20:25,089 INFO  L138     BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init
[2019-10-13 18:20:25,089 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave
[2019-10-13 18:20:25,089 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore
[2019-10-13 18:20:25,089 INFO  L138     BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs
[2019-10-13 18:20:25,089 INFO  L138     BoogieDeclarations]: Found implementation of procedure consume_skb
[2019-10-13 18:20:25,089 INFO  L138     BoogieDeclarations]: Found implementation of procedure crc32_le
[2019-10-13 18:20:25,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure del_timer_sync
[2019-10-13 18:20:25,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_alloc_skb
[2019-10-13 18:20:25,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_get_drvdata
[2019-10-13 18:20:25,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2019-10-13 18:20:25,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_warn
[2019-10-13 18:20:25,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure eth_type_trans
[2019-10-13 18:20:25,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_netdev
[2019-10-13 18:20:25,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_timer_key
[2019-10-13 18:20:25,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_return_value
[2019-10-13 18:20:25,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2019-10-13 18:20:25,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer
[2019-10-13 18:20:25,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure mod_timer
[2019-10-13 18:20:25,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_carrier_off
[2019-10-13 18:20:25,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_carrier_on
[2019-10-13 18:20:25,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure netif_rx
[2019-10-13 18:20:25,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure netpoll_trap
[2019-10-13 18:20:25,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2019-10-13 18:20:25,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure register_netdev
[2019-10-13 18:20:25,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_put
[2019-10-13 18:20:25,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure unregister_netdev
[2019-10-13 18:20:25,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_control_msg
[2019-10-13 18:20:25,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_deregister
[2019-10-13 18:20:25,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_kill_urb
[2019-10-13 18:20:25,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_register_driver
[2019-10-13 18:20:25,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_set_interface
[2019-10-13 18:20:25,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_submit_urb
[2019-10-13 18:20:25,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_unlink_urb
[2019-10-13 18:20:25,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure warn_slowpath_null
[2019-10-13 18:20:25,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure external_alloc
[2019-10-13 18:20:25,094 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2019-10-13 18:20:25,094 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2019-10-13 18:20:25,094 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2019-10-13 18:20:25,094 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 18:20:25,094 INFO  L130     BoogieDeclarations]: Found specification of procedure set_bit
[2019-10-13 18:20:25,094 INFO  L130     BoogieDeclarations]: Found specification of procedure clear_bit
[2019-10-13 18:20:25,094 INFO  L130     BoogieDeclarations]: Found specification of procedure test_and_set_bit
[2019-10-13 18:20:25,094 INFO  L130     BoogieDeclarations]: Found specification of procedure test_and_clear_bit
[2019-10-13 18:20:25,094 INFO  L130     BoogieDeclarations]: Found specification of procedure __fswab16
[2019-10-13 18:20:25,095 INFO  L130     BoogieDeclarations]: Found specification of procedure __swab16p
[2019-10-13 18:20:25,095 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 18:20:25,095 INFO  L130     BoogieDeclarations]: Found specification of procedure __le16_to_cpup
[2019-10-13 18:20:25,095 INFO  L130     BoogieDeclarations]: Found specification of procedure __be16_to_cpup
[2019-10-13 18:20:25,095 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2019-10-13 18:20:25,095 INFO  L130     BoogieDeclarations]: Found specification of procedure warn_slowpath_null
[2019-10-13 18:20:25,095 INFO  L130     BoogieDeclarations]: Found specification of procedure snprintf
[2019-10-13 18:20:25,096 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2019-10-13 18:20:25,096 INFO  L130     BoogieDeclarations]: Found specification of procedure strncpy
[2019-10-13 18:20:25,096 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_read
[2019-10-13 18:20:25,096 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_set
[2019-10-13 18:20:25,096 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 18:20:25,096 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_inc
[2019-10-13 18:20:25,096 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_dec
[2019-10-13 18:20:25,097 INFO  L130     BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init
[2019-10-13 18:20:25,097 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave
[2019-10-13 18:20:25,097 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore
[2019-10-13 18:20:25,097 INFO  L130     BoogieDeclarations]: Found specification of procedure spinlock_check
[2019-10-13 18:20:25,097 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore
[2019-10-13 18:20:25,097 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2019-10-13 18:20:25,097 INFO  L130     BoogieDeclarations]: Found specification of procedure init_timer_key
[2019-10-13 18:20:25,098 INFO  L130     BoogieDeclarations]: Found specification of procedure mod_timer
[2019-10-13 18:20:25,098 INFO  L130     BoogieDeclarations]: Found specification of procedure del_timer_sync
[2019-10-13 18:20:25,098 INFO  L130     BoogieDeclarations]: Found specification of procedure init_module
[2019-10-13 18:20:25,098 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup_module
[2019-10-13 18:20:25,098 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_get_drvdata
[2019-10-13 18:20:25,098 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2019-10-13 18:20:25,098 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_warn
[2019-10-13 18:20:25,099 INFO  L130     BoogieDeclarations]: Found specification of procedure consume_skb
[2019-10-13 18:20:25,099 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_put
[2019-10-13 18:20:25,099 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_alloc_skb
[2019-10-13 18:20:25,099 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data
[2019-10-13 18:20:25,099 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2019-10-13 18:20:25,099 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 18:20:25,099 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data
[2019-10-13 18:20:25,100 INFO  L130     BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set
[2019-10-13 18:20:25,100 INFO  L130     BoogieDeclarations]: Found specification of procedure ethtool_op_get_link
[2019-10-13 18:20:25,100 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue
[2019-10-13 18:20:25,100 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_priv
[2019-10-13 18:20:25,100 INFO  L130     BoogieDeclarations]: Found specification of procedure free_netdev
[2019-10-13 18:20:25,100 INFO  L130     BoogieDeclarations]: Found specification of procedure netpoll_trap
[2019-10-13 18:20:25,100 INFO  L130     BoogieDeclarations]: Found specification of procedure __netif_schedule
[2019-10-13 18:20:25,101 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_tx_start_queue
[2019-10-13 18:20:25,101 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_start_queue
[2019-10-13 18:20:25,101 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue
[2019-10-13 18:20:25,101 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_wake_queue
[2019-10-13 18:20:25,101 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue
[2019-10-13 18:20:25,101 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 18:20:25,101 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_stop_queue
[2019-10-13 18:20:25,102 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_rx
[2019-10-13 18:20:25,102 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_carrier_on
[2019-10-13 18:20:25,102 INFO  L130     BoogieDeclarations]: Found specification of procedure netif_carrier_off
[2019-10-13 18:20:25,102 INFO  L130     BoogieDeclarations]: Found specification of procedure register_netdev
[2019-10-13 18:20:25,102 INFO  L130     BoogieDeclarations]: Found specification of procedure unregister_netdev
[2019-10-13 18:20:25,102 INFO  L130     BoogieDeclarations]: Found specification of procedure eth_type_trans
[2019-10-13 18:20:25,102 INFO  L130     BoogieDeclarations]: Found specification of procedure eth_mac_addr
[2019-10-13 18:20:25,103 INFO  L130     BoogieDeclarations]: Found specification of procedure eth_change_mtu
[2019-10-13 18:20:25,103 INFO  L130     BoogieDeclarations]: Found specification of procedure eth_validate_addr
[2019-10-13 18:20:25,103 INFO  L130     BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs
[2019-10-13 18:20:25,103 INFO  L130     BoogieDeclarations]: Found specification of procedure crc32_le
[2019-10-13 18:20:25,103 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_get_intfdata
[2019-10-13 18:20:25,103 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_set_intfdata
[2019-10-13 18:20:25,103 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_to_usbdev
[2019-10-13 18:20:25,104 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_make_path
[2019-10-13 18:20:25,104 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_register_driver
[2019-10-13 18:20:25,104 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_register
[2019-10-13 18:20:25,104 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_deregister
[2019-10-13 18:20:25,104 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_fill_control_urb
[2019-10-13 18:20:25,104 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 18:20:25,104 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb
[2019-10-13 18:20:25,105 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_fill_int_urb
[2019-10-13 18:20:25,105 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_urb
[2019-10-13 18:20:25,105 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_urb
[2019-10-13 18:20:25,105 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_submit_urb
[2019-10-13 18:20:25,105 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_unlink_urb
[2019-10-13 18:20:25,105 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_kill_urb
[2019-10-13 18:20:25,105 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_coherent
[2019-10-13 18:20:25,106 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_coherent
[2019-10-13 18:20:25,106 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_control_msg
[2019-10-13 18:20:25,106 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_set_interface
[2019-10-13 18:20:25,106 INFO  L130     BoogieDeclarations]: Found specification of procedure __create_pipe
[2019-10-13 18:20:25,106 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_rx_done
[2019-10-13 18:20:25,106 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_irq_done
[2019-10-13 18:20:25,106 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_tx_run
[2019-10-13 18:20:25,106 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_tx_done
[2019-10-13 18:20:25,107 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_start_xmit
[2019-10-13 18:20:25,107 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_tx_timeout
[2019-10-13 18:20:25,107 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_ctrl_msg
[2019-10-13 18:20:25,107 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_ctrl_run
[2019-10-13 18:20:25,107 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_ctrl_done
[2019-10-13 18:20:25,107 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID
[2019-10-13 18:20:25,107 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_ctrl_async
[2019-10-13 18:20:25,108 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_stats_done
[2019-10-13 18:20:25,108 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_stats_timer
[2019-10-13 18:20:25,108 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_multicast
[2019-10-13 18:20:25,108 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_set_multicast_list
[2019-10-13 18:20:25,108 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2019-10-13 18:20:25,108 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 18:20:25,108 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_get_drvinfo
[2019-10-13 18:20:25,109 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_get_settings
[2019-10-13 18:20:25,109 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_open
[2019-10-13 18:20:25,109 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_stop
[2019-10-13 18:20:25,109 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_probe
[2019-10-13 18:20:25,109 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_disconnect
[2019-10-13 18:20:25,109 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_init
[2019-10-13 18:20:25,109 INFO  L130     BoogieDeclarations]: Found specification of procedure catc_exit
[2019-10-13 18:20:25,110 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2019-10-13 18:20:25,110 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_return_value
[2019-10-13 18:20:25,110 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2019-10-13 18:20:25,110 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 18:20:25,110 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 18:20:25,110 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_blast_assert
[2019-10-13 18:20:25,110 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer
[2019-10-13 18:20:25,111 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_assume_stop
[2019-10-13 18:20:25,111 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2019-10-13 18:20:25,111 INFO  L130     BoogieDeclarations]: Found specification of procedure external_alloc
[2019-10-13 18:20:25,111 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2019-10-13 18:20:25,111 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort
[2019-10-13 18:20:25,111 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-10-13 18:20:25,112 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-13 18:20:25,112 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2019-10-13 18:20:25,112 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 18:20:25,112 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 18:20:25,112 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-10-13 18:20:25,112 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 18:20:25,112 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2019-10-13 18:20:25,112 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2019-10-13 18:20:25,113 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2019-10-13 18:20:25,113 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2019-10-13 18:20:26,245 WARN  L732   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 18:20:26,328 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false;
[2019-10-13 18:20:26,329 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false;
[2019-10-13 18:20:26,753 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true;
[2019-10-13 18:20:27,504 WARN  L732   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 18:20:27,592 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false;
[2019-10-13 18:20:27,593 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false;
[2019-10-13 18:20:28,107 WARN  L732   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 18:20:28,341 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false;
[2019-10-13 18:20:28,342 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false;
[2019-10-13 18:20:28,505 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 18:20:28,505 INFO  L284             CfgBuilder]: Removed 46 assume(true) statements.
[2019-10-13 18:20:28,507 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:20:28 BoogieIcfgContainer
[2019-10-13 18:20:28,507 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 18:20:28,509 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 18:20:28,509 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 18:20:28,512 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 18:20:28,513 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:20:21" (1/3) ...
[2019-10-13 18:20:28,513 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1582ee9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:20:28, skipping insertion in model container
[2019-10-13 18:20:28,513 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (2/3) ...
[2019-10-13 18:20:28,514 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1582ee9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:20:28, skipping insertion in model container
[2019-10-13 18:20:28,514 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:20:28" (3/3) ...
[2019-10-13 18:20:28,516 INFO  L109   eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i
[2019-10-13 18:20:28,525 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 18:20:28,536 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 18:20:28,546 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 18:20:28,579 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 18:20:28,579 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 18:20:28,580 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 18:20:28,587 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 18:20:28,587 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 18:20:28,587 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 18:20:28,587 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 18:20:28,587 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 18:20:28,622 INFO  L276                IsEmpty]: Start isEmpty. Operand 881 states.
[2019-10-13 18:20:28,628 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2019-10-13 18:20:28,629 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:20:28,630 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 18:20:28,631 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:20:28,636 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:20:28,637 INFO  L82        PathProgramCache]: Analyzing trace with hash 1738340035, now seen corresponding path program 1 times
[2019-10-13 18:20:28,702 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:20:28,703 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851397593]
[2019-10-13 18:20:28,703 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:28,703 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:28,703 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:20:29,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:29,714 WARN  L191               SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 220
[2019-10-13 18:20:29,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:29,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:29,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:29,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:29,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:29,905 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 18:20:29,906 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851397593]
[2019-10-13 18:20:29,907 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:20:29,907 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-13 18:20:29,907 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664896653]
[2019-10-13 18:20:29,912 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 18:20:29,912 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:20:29,926 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 18:20:29,927 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-10-13 18:20:29,929 INFO  L87              Difference]: Start difference. First operand 881 states. Second operand 7 states.
[2019-10-13 18:20:31,258 WARN  L191               SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 224
[2019-10-13 18:20:31,650 WARN  L191               SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227
[2019-10-13 18:20:39,805 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 18:20:39,805 INFO  L93              Difference]: Finished difference Result 1340 states and 1851 transitions.
[2019-10-13 18:20:39,806 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-10-13 18:20:39,807 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 31
[2019-10-13 18:20:39,808 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 18:20:39,832 INFO  L225             Difference]: With dead ends: 1340
[2019-10-13 18:20:39,832 INFO  L226             Difference]: Without dead ends: 682
[2019-10-13 18:20:39,842 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2019-10-13 18:20:39,863 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 682 states.
[2019-10-13 18:20:39,999 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 666.
[2019-10-13 18:20:40,001 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 666 states.
[2019-10-13 18:20:40,007 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 830 transitions.
[2019-10-13 18:20:40,009 INFO  L78                 Accepts]: Start accepts. Automaton has 666 states and 830 transitions. Word has length 31
[2019-10-13 18:20:40,009 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 18:20:40,009 INFO  L462      AbstractCegarLoop]: Abstraction has 666 states and 830 transitions.
[2019-10-13 18:20:40,009 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 18:20:40,009 INFO  L276                IsEmpty]: Start isEmpty. Operand 666 states and 830 transitions.
[2019-10-13 18:20:40,010 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2019-10-13 18:20:40,010 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:20:40,011 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 18:20:40,011 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:20:40,011 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:20:40,011 INFO  L82        PathProgramCache]: Analyzing trace with hash 1345313025, now seen corresponding path program 1 times
[2019-10-13 18:20:40,012 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:20:40,012 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595739950]
[2019-10-13 18:20:40,012 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:40,012 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:40,012 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:20:40,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:40,537 WARN  L191               SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 220
[2019-10-13 18:20:40,567 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:40,623 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:40,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:40,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:40,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:40,665 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 18:20:40,666 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595739950]
[2019-10-13 18:20:40,666 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:20:40,666 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 18:20:40,667 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075981512]
[2019-10-13 18:20:40,669 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 18:20:40,670 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:20:40,670 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 18:20:40,670 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 18:20:40,670 INFO  L87              Difference]: Start difference. First operand 666 states and 830 transitions. Second operand 4 states.
[2019-10-13 18:20:41,398 WARN  L191               SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 222
[2019-10-13 18:20:50,916 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 18:20:50,917 INFO  L93              Difference]: Finished difference Result 1945 states and 2473 transitions.
[2019-10-13 18:20:50,917 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-10-13 18:20:50,917 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 31
[2019-10-13 18:20:50,918 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 18:20:50,930 INFO  L225             Difference]: With dead ends: 1945
[2019-10-13 18:20:50,931 INFO  L226             Difference]: Without dead ends: 1311
[2019-10-13 18:20:50,934 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2019-10-13 18:20:50,937 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1311 states.
[2019-10-13 18:20:51,136 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1295.
[2019-10-13 18:20:51,136 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1295 states.
[2019-10-13 18:20:51,145 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1628 transitions.
[2019-10-13 18:20:51,146 INFO  L78                 Accepts]: Start accepts. Automaton has 1295 states and 1628 transitions. Word has length 31
[2019-10-13 18:20:51,146 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 18:20:51,146 INFO  L462      AbstractCegarLoop]: Abstraction has 1295 states and 1628 transitions.
[2019-10-13 18:20:51,147 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-13 18:20:51,147 INFO  L276                IsEmpty]: Start isEmpty. Operand 1295 states and 1628 transitions.
[2019-10-13 18:20:51,148 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2019-10-13 18:20:51,148 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:20:51,148 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, 1]
[2019-10-13 18:20:51,148 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:20:51,149 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:20:51,149 INFO  L82        PathProgramCache]: Analyzing trace with hash -1245408959, now seen corresponding path program 1 times
[2019-10-13 18:20:51,149 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:20:51,149 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346337109]
[2019-10-13 18:20:51,149 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:51,150 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:51,150 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:20:51,191 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:51,588 WARN  L191               SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 220
[2019-10-13 18:20:51,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:51,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:51,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:51,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:51,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:51,685 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 18:20:51,685 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346337109]
[2019-10-13 18:20:51,686 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:20:51,686 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 18:20:51,686 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571422933]
[2019-10-13 18:20:51,687 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 18:20:51,687 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:20:51,687 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 18:20:51,687 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 18:20:51,688 INFO  L87              Difference]: Start difference. First operand 1295 states and 1628 transitions. Second operand 4 states.
[2019-10-13 18:20:52,229 WARN  L191               SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 222
[2019-10-13 18:20:56,775 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 18:20:56,775 INFO  L93              Difference]: Finished difference Result 1310 states and 1660 transitions.
[2019-10-13 18:20:56,776 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-10-13 18:20:56,776 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 32
[2019-10-13 18:20:56,776 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 18:20:56,785 INFO  L225             Difference]: With dead ends: 1310
[2019-10-13 18:20:56,786 INFO  L226             Difference]: Without dead ends: 1297
[2019-10-13 18:20:56,787 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2019-10-13 18:20:56,789 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1297 states.
[2019-10-13 18:20:56,963 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1279.
[2019-10-13 18:20:56,963 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1279 states.
[2019-10-13 18:20:56,970 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1606 transitions.
[2019-10-13 18:20:56,971 INFO  L78                 Accepts]: Start accepts. Automaton has 1279 states and 1606 transitions. Word has length 32
[2019-10-13 18:20:56,971 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 18:20:56,971 INFO  L462      AbstractCegarLoop]: Abstraction has 1279 states and 1606 transitions.
[2019-10-13 18:20:56,971 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-13 18:20:56,972 INFO  L276                IsEmpty]: Start isEmpty. Operand 1279 states and 1606 transitions.
[2019-10-13 18:20:56,977 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2019-10-13 18:20:56,978 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:20:56,978 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:56,978 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:20:56,978 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:20:56,978 INFO  L82        PathProgramCache]: Analyzing trace with hash -1600299470, now seen corresponding path program 1 times
[2019-10-13 18:20:56,979 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:20:56,979 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069594029]
[2019-10-13 18:20:56,979 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:56,979 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:20:56,979 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:20:57,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,411 WARN  L191               SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 220
[2019-10-13 18:20:57,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,496 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:20:57,518 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 18:20:57,518 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069594029]
[2019-10-13 18:20:57,518 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:20:57,519 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 18:20:57,519 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457968335]
[2019-10-13 18:20:57,519 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 18:20:57,520 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:20:57,520 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 18:20:57,520 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 18:20:57,520 INFO  L87              Difference]: Start difference. First operand 1279 states and 1606 transitions. Second operand 4 states.