/usr/bin/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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.24-fb55353
[2019-11-06 20:03:16,730 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-06 20:03:16,732 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-06 20:03:16,751 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-06 20:03:16,752 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-06 20:03:16,754 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-06 20:03:16,756 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-06 20:03:16,765 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-06 20:03:16,769 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-06 20:03:16,771 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-06 20:03:16,773 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-06 20:03:16,775 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-06 20:03:16,775 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-06 20:03:16,778 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-06 20:03:16,780 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-06 20:03:16,782 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-06 20:03:16,784 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-06 20:03:16,785 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-06 20:03:16,787 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-06 20:03:16,792 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-06 20:03:16,797 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-06 20:03:16,800 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-06 20:03:16,803 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-06 20:03:16,803 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-06 20:03:16,807 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-06 20:03:16,807 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-06 20:03:16,808 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-06 20:03:16,809 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-06 20:03:16,810 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-06 20:03:16,812 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-06 20:03:16,812 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-06 20:03:16,813 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-06 20:03:16,814 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-06 20:03:16,814 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-06 20:03:16,816 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-06 20:03:16,816 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-11-06 20:03:16,817 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-11-06 20:03:16,819 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-06 20:03:16,819 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
[2019-11-06 20:03:16,847 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-06 20:03:16,847 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-06 20:03:16,852 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-06 20:03:16,852 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-06 20:03:16,853 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-06 20:03:16,853 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-06 20:03:16,853 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-06 20:03:16,854 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-06 20:03:16,854 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-06 20:03:16,854 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-06 20:03:16,855 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-06 20:03:16,855 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-06 20:03:16,855 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-06 20:03:16,856 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-06 20:03:16,856 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-06 20:03:16,856 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-06 20:03:16,856 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-06 20:03:16,857 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-06 20:03:16,857 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-06 20:03:16,858 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-06 20:03:16,858 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-06 20:03:16,860 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 20:03:16,860 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-06 20:03:16,862 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-06 20:03:16,862 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-06 20:03:16,862 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-06 20:03:16,862 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-06 20:03:16,862 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-06 20:03:16,863 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-06 20:03:17,127 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-06 20:03:17,139 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-06 20:03:17,143 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-06 20:03:17,144 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-06 20:03:17,145 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-06 20:03:17,145 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i
[2019-11-06 20:03:17,221 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0102302b/4ce48b783a1a432a891161570f93faba/FLAG7da7b1c05
[2019-11-06 20:03:17,999 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-06 20:03:18,001 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i
[2019-11-06 20:03:18,054 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0102302b/4ce48b783a1a432a891161570f93faba/FLAG7da7b1c05
[2019-11-06 20:03:18,547 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0102302b/4ce48b783a1a432a891161570f93faba
[2019-11-06 20:03:18,556 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-06 20:03:18,558 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-06 20:03:18,559 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-06 20:03:18,559 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-06 20:03:18,562 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-06 20:03:18,563 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:03:18" (1/1) ...
[2019-11-06 20:03:18,566 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@304905f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:18, skipping insertion in model container
[2019-11-06 20:03:18,566 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:03:18" (1/1) ...
[2019-11-06 20:03:18,573 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-06 20:03:18,693 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-06 20:03:20,184 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 20:03:20,232 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-06 20:03:20,550 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 20:03:20,701 INFO  L192         MainTranslator]: Completed translation
[2019-11-06 20:03:20,702 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:20 WrapperNode
[2019-11-06 20:03:20,702 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-06 20:03:20,703 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-06 20:03:20,703 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-06 20:03:20,704 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-06 20:03:20,721 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:20" (1/1) ...
[2019-11-06 20:03:20,721 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:20" (1/1) ...
[2019-11-06 20:03:20,788 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:20" (1/1) ...
[2019-11-06 20:03:20,791 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:20" (1/1) ...
[2019-11-06 20:03:20,877 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:20" (1/1) ...
[2019-11-06 20:03:20,891 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:20" (1/1) ...
[2019-11-06 20:03:20,912 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:20" (1/1) ...
[2019-11-06 20:03:20,942 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-06 20:03:20,943 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-06 20:03:20,943 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-06 20:03:20,943 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-06 20:03:20,947 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:20" (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
[2019-11-06 20:03:21,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-06 20:03:21,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-06 20:03:21,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure __arch_swab32
[2019-11-06 20:03:21,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure __fswab32
[2019-11-06 20:03:21,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure __swab32p
[2019-11-06 20:03:21,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure __le32_to_cpup
[2019-11-06 20:03:21,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure __le16_to_cpup
[2019-11-06 20:03:21,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure __be32_to_cpup
[2019-11-06 20:03:21,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_read
[2019-11-06 20:03:21,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2019-11-06 20:03:21,007 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_end_pointer
[2019-11-06 20:03:21,007 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_cloned
[2019-11-06 20:03:21,007 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear
[2019-11-06 20:03:21,007 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer
[2019-11-06 20:03:21,007 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer
[2019-11-06 20:03:21,008 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_headroom
[2019-11-06 20:03:21,008 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_tailroom
[2019-11-06 20:03:21,008 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2019-11-06 20:03:21,008 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2019-11-06 20:03:21,009 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2019-11-06 20:03:21,009 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr
[2019-11-06 20:03:21,009 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2019-11-06 20:03:21,009 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2019-11-06 20:03:21,010 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2019-11-06 20:03:21,010 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2019-11-06 20:03:21,010 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap
[2019-11-06 20:03:21,010 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any
[2019-11-06 20:03:21,010 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_unaligned_le16
[2019-11-06 20:03:21,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_unaligned_le32
[2019-11-06 20:03:21,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_unaligned_be32
[2019-11-06 20:03:21,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure put_unaligned_le16
[2019-11-06 20:03:21,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure put_unaligned_le32
[2019-11-06 20:03:21,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_set_intfdata
[2019-11-06 20:03:21,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb
[2019-11-06 20:03:21,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure driver_of
[2019-11-06 20:03:21,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete
[2019-11-06 20:03:21,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_linkcmd
[2019-11-06 20:03:21,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_bind
[2019-11-06 20:03:21,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_tx_fixup
[2019-11-06 20:03:21,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_rx_fixup
[2019-11-06 20:03:21,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_driver_init
[2019-11-06 20:03:21,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_driver_exit
[2019-11-06 20:03:21,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2
[2019-11-06 20:03:21,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1
[2019-11-06 20:03:21,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-11-06 20:03:21,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5
[2019-11-06 20:03:21,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6
[2019-11-06 20:03:21,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7
[2019-11-06 20:03:21,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8
[2019-11-06 20:03:21,015 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11
[2019-11-06 20:03:21,015 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12
[2019-11-06 20:03:21,015 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13
[2019-11-06 20:03:21,015 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_init
[2019-11-06 20:03:21,015 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_add
[2019-11-06 20:03:21,015 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_remove
[2019-11-06 20:03:21,016 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_contains
[2019-11-06 20:03:21,016 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty
[2019-11-06 20:03:21,016 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err
[2019-11-06 20:03:21,016 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_err_ptr
[2019-11-06 20:03:21,016 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ptr_err
[2019-11-06 20:03:21,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null
[2019-11-06 20:03:21,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc
[2019-11-06 20:03:21,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2019-11-06 20:03:21,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free
[2019-11-06 20:03:21,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int
[2019-11-06 20:03:21,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb
[2019-11-06 20:03:21,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb
[2019-11-06 20:03:21,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_current
[2019-11-06 20:03:21,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2019-11-06 20:03:21,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any
[2019-11-06 20:03:21,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg
[2019-11-06 20:03:21,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure crc32_le
[2019-11-06 20:03:21,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_release_2
[2019-11-06 20:03:21,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1
[2019-11-06 20:03:21,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_warn
[2019-11-06 20:03:21,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_clone
[2019-11-06 20:03:21,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_copy_expand
[2019-11-06 20:03:21,020 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_pull
[2019-11-06 20:03:21,020 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_push
[2019-11-06 20:03:21,020 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_put
[2019-11-06 20:03:21,020 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_trim
[2019-11-06 20:03:21,020 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_urb
[2019-11-06 20:03:21,021 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_deregister
[2019-11-06 20:03:21,021 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface
[2019-11-06 20:03:21,021 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_urb
[2019-11-06 20:03:21,021 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_register_driver
[2019-11-06 20:03:21,021 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_submit_urb
[2019-11-06 20:03:21,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle
[2019-11-06 20:03:21,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_disconnect
[2019-11-06 20:03:21,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints
[2019-11-06 20:03:21,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_probe
[2019-11-06 20:03:21,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_resume
[2019-11-06 20:03:21,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_skb_return
[2019-11-06 20:03:21,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_suspend
[2019-11-06 20:03:21,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure external_alloc
[2019-11-06 20:03:21,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2019-11-06 20:03:21,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2019-11-06 20:03:21,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2019-11-06 20:03:21,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove
[2019-11-06 20:03:21,025 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-06 20:03:21,025 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2019-11-06 20:03:21,026 INFO  L130     BoogieDeclarations]: Found specification of procedure __arch_swab32
[2019-11-06 20:03:21,026 INFO  L130     BoogieDeclarations]: Found specification of procedure __fswab32
[2019-11-06 20:03:21,026 INFO  L130     BoogieDeclarations]: Found specification of procedure __swab32p
[2019-11-06 20:03:21,026 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-11-06 20:03:21,026 INFO  L130     BoogieDeclarations]: Found specification of procedure __le32_to_cpup
[2019-11-06 20:03:21,026 INFO  L130     BoogieDeclarations]: Found specification of procedure __le16_to_cpup
[2019-11-06 20:03:21,027 INFO  L130     BoogieDeclarations]: Found specification of procedure __be32_to_cpup
[2019-11-06 20:03:21,027 INFO  L130     BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg
[2019-11-06 20:03:21,027 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2019-11-06 20:03:21,027 INFO  L130     BoogieDeclarations]: Found specification of procedure memmove
[2019-11-06 20:03:21,027 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_read
[2019-11-06 20:03:21,027 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2019-11-06 20:03:21,028 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-11-06 20:03:21,028 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6
[2019-11-06 20:03:21,028 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7
[2019-11-06 20:03:21,029 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8
[2019-11-06 20:03:21,029 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11
[2019-11-06 20:03:21,029 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5
[2019-11-06 20:03:21,030 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_clone
[2019-11-06 20:03:21,030 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_copy_expand
[2019-11-06 20:03:21,030 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_end_pointer
[2019-11-06 20:03:21,030 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-11-06 20:03:21,031 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_cloned
[2019-11-06 20:03:21,031 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_is_nonlinear
[2019-11-06 20:03:21,032 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer
[2019-11-06 20:03:21,032 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-11-06 20:03:21,032 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer
[2019-11-06 20:03:21,032 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_put
[2019-11-06 20:03:21,032 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_push
[2019-11-06 20:03:21,032 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_pull
[2019-11-06 20:03:21,033 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_headroom
[2019-11-06 20:03:21,033 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_tailroom
[2019-11-06 20:03:21,033 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_trim
[2019-11-06 20:03:21,034 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free
[2019-11-06 20:03:21,034 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-11-06 20:03:21,034 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2019-11-06 20:03:21,034 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-06 20:03:21,034 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2019-11-06 20:03:21,035 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-11-06 20:03:21,038 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-11-06 20:03:21,039 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2019-11-06 20:03:21,039 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-11-06 20:03:21,040 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2019-11-06 20:03:21,047 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2019-11-06 20:03:21,047 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2019-11-06 20:03:21,047 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ptr
[2019-11-06 20:03:21,047 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2019-11-06 20:03:21,048 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2019-11-06 20:03:21,049 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2019-11-06 20:03:21,049 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_trap
[2019-11-06 20:03:21,049 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2
[2019-11-06 20:03:21,049 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1
[2019-11-06 20:03:21,049 INFO  L130     BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any
[2019-11-06 20:03:21,049 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any
[2019-11-06 20:03:21,050 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_warn
[2019-11-06 20:03:21,050 INFO  L130     BoogieDeclarations]: Found specification of procedure get_unaligned_le16
[2019-11-06 20:03:21,050 INFO  L130     BoogieDeclarations]: Found specification of procedure get_unaligned_le32
[2019-11-06 20:03:21,050 INFO  L130     BoogieDeclarations]: Found specification of procedure get_unaligned_be32
[2019-11-06 20:03:21,050 INFO  L130     BoogieDeclarations]: Found specification of procedure put_unaligned_le16
[2019-11-06 20:03:21,050 INFO  L130     BoogieDeclarations]: Found specification of procedure put_unaligned_le32
[2019-11-06 20:03:21,051 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_set_intfdata
[2019-11-06 20:03:21,051 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_driver_release_interface
[2019-11-06 20:03:21,051 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_register_driver
[2019-11-06 20:03:21,052 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12
[2019-11-06 20:03:21,052 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_deregister
[2019-11-06 20:03:21,052 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13
[2019-11-06 20:03:21,052 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb
[2019-11-06 20:03:21,052 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_urb
[2019-11-06 20:03:21,052 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_urb
[2019-11-06 20:03:21,053 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_submit_urb
[2019-11-06 20:03:21,053 INFO  L130     BoogieDeclarations]: Found specification of procedure crc32_le
[2019-11-06 20:03:21,053 INFO  L130     BoogieDeclarations]: Found specification of procedure driver_of
[2019-11-06 20:03:21,053 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_probe
[2019-11-06 20:03:21,053 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_suspend
[2019-11-06 20:03:21,053 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_resume
[2019-11-06 20:03:21,054 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_disconnect
[2019-11-06 20:03:21,054 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle
[2019-11-06 20:03:21,054 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints
[2019-11-06 20:03:21,054 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_skb_return
[2019-11-06 20:03:21,054 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete
[2019-11-06 20:03:21,054 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_linkcmd
[2019-11-06 20:03:21,055 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-06 20:03:21,055 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_bind
[2019-11-06 20:03:21,055 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_tx_fixup
[2019-11-06 20:03:21,055 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove
[2019-11-06 20:03:21,055 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_rx_fixup
[2019-11-06 20:03:21,055 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-11-06 20:03:21,056 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_driver_init
[2019-11-06 20:03:21,056 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_driver_exit
[2019-11-06 20:03:21,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1
[2019-11-06 20:03:21,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_release_2
[2019-11-06 20:03:21,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2019-11-06 20:03:21,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2019-11-06 20:03:21,056 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-11-06 20:03:21,057 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2019-11-06 20:03:21,057 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_init
[2019-11-06 20:03:21,057 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_add
[2019-11-06 20:03:21,057 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_remove
[2019-11-06 20:03:21,057 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_contains
[2019-11-06 20:03:21,057 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_is_empty
[2019-11-06 20:03:21,058 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err
[2019-11-06 20:03:21,058 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_err_ptr
[2019-11-06 20:03:21,058 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ptr_err
[2019-11-06 20:03:21,058 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null
[2019-11-06 20:03:21,058 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_alloc
[2019-11-06 20:03:21,058 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free_int
[2019-11-06 20:03:21,058 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb
[2019-11-06 20:03:21,059 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb
[2019-11-06 20:03:21,060 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_current
[2019-11-06 20:03:21,060 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2019-11-06 20:03:21,061 INFO  L130     BoogieDeclarations]: Found specification of procedure external_alloc
[2019-11-06 20:03:21,061 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-11-06 20:03:21,061 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2019-11-06 20:03:21,061 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-06 20:03:21,061 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-11-06 20:03:21,061 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-06 20:03:21,062 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2019-11-06 20:03:21,062 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-06 20:03:21,062 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2019-11-06 20:03:21,062 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2019-11-06 20:03:21,062 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2019-11-06 20:03:21,798 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2019-11-06 20:03:23,794 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-06 20:03:23,795 INFO  L284             CfgBuilder]: Removed 4 assume(true) statements.
[2019-11-06 20:03:23,796 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:03:23 BoogieIcfgContainer
[2019-11-06 20:03:23,796 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-06 20:03:23,797 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-06 20:03:23,798 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-06 20:03:23,800 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-06 20:03:23,801 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:03:18" (1/3) ...
[2019-11-06 20:03:23,801 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ec1c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:03:23, skipping insertion in model container
[2019-11-06 20:03:23,802 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:20" (2/3) ...
[2019-11-06 20:03:23,802 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ec1c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:03:23, skipping insertion in model container
[2019-11-06 20:03:23,802 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:03:23" (3/3) ...
[2019-11-06 20:03:23,804 INFO  L109   eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i
[2019-11-06 20:03:23,812 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-06 20:03:23,821 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-06 20:03:23,829 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-06 20:03:23,856 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-06 20:03:23,857 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-06 20:03:23,857 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-06 20:03:23,857 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-06 20:03:23,857 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-06 20:03:23,857 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-06 20:03:23,857 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-06 20:03:23,857 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-06 20:03:23,888 INFO  L276                IsEmpty]: Start isEmpty. Operand 538 states.
[2019-11-06 20:03:23,913 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2019-11-06 20:03:23,913 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 20:03:23,914 INFO  L410         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 20:03:23,918 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 20:03:23,922 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 20:03:23,922 INFO  L82        PathProgramCache]: Analyzing trace with hash 1143159700, now seen corresponding path program 1 times
[2019-11-06 20:03:23,929 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 20:03:23,929 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737222470]
[2019-11-06 20:03:23,930 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 20:03:24,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:24,862 WARN  L191               SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2019-11-06 20:03:24,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:24,965 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:24,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:24,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:25,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:25,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:25,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:25,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:25,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:25,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:25,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:25,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2019-11-06 20:03:25,118 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737222470]
[2019-11-06 20:03:25,119 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 20:03:25,119 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-11-06 20:03:25,120 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498004162]
[2019-11-06 20:03:25,125 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-11-06 20:03:25,125 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 20:03:25,140 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-11-06 20:03:25,140 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2019-11-06 20:03:25,143 INFO  L87              Difference]: Start difference. First operand 538 states. Second operand 8 states.
[2019-11-06 20:03:27,982 WARN  L191               SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2019-11-06 20:03:38,187 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 20:03:38,187 INFO  L93              Difference]: Finished difference Result 1876 states and 2555 transitions.
[2019-11-06 20:03:38,188 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2019-11-06 20:03:38,189 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 66
[2019-11-06 20:03:38,189 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 20:03:38,221 INFO  L225             Difference]: With dead ends: 1876
[2019-11-06 20:03:38,221 INFO  L226             Difference]: Without dead ends: 1374
[2019-11-06 20:03:38,232 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506
[2019-11-06 20:03:38,250 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1374 states.
[2019-11-06 20:03:38,497 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 890.
[2019-11-06 20:03:38,498 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 890 states.
[2019-11-06 20:03:38,504 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1088 transitions.
[2019-11-06 20:03:38,507 INFO  L78                 Accepts]: Start accepts. Automaton has 890 states and 1088 transitions. Word has length 66
[2019-11-06 20:03:38,507 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 20:03:38,507 INFO  L462      AbstractCegarLoop]: Abstraction has 890 states and 1088 transitions.
[2019-11-06 20:03:38,508 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-11-06 20:03:38,508 INFO  L276                IsEmpty]: Start isEmpty. Operand 890 states and 1088 transitions.
[2019-11-06 20:03:38,512 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2019-11-06 20:03:38,513 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 20:03:38,513 INFO  L410         BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 20:03:38,514 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 20:03:38,514 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 20:03:38,514 INFO  L82        PathProgramCache]: Analyzing trace with hash -153251815, now seen corresponding path program 1 times
[2019-11-06 20:03:38,514 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 20:03:38,514 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56514881]
[2019-11-06 20:03:38,515 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 20:03:38,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:38,979 WARN  L191               SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2019-11-06 20:03:38,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,080 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:39,284 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2019-11-06 20:03:39,284 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56514881]
[2019-11-06 20:03:39,285 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 20:03:39,285 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2019-11-06 20:03:39,286 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421968943]
[2019-11-06 20:03:39,288 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 12 states
[2019-11-06 20:03:39,288 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 20:03:39,288 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2019-11-06 20:03:39,289 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132
[2019-11-06 20:03:39,289 INFO  L87              Difference]: Start difference. First operand 890 states and 1088 transitions. Second operand 12 states.
[2019-11-06 20:03:42,435 WARN  L191               SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2019-11-06 20:03:45,725 WARN  L191               SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 213
[2019-11-06 20:03:46,237 WARN  L191               SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 213
[2019-11-06 20:03:46,632 WARN  L191               SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 213
[2019-11-06 20:03:51,410 WARN  L191               SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 218
[2019-11-06 20:03:54,318 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 20:03:54,318 INFO  L93              Difference]: Finished difference Result 2415 states and 3239 transitions.
[2019-11-06 20:03:54,322 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2019-11-06 20:03:54,322 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 82
[2019-11-06 20:03:54,323 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 20:03:54,338 INFO  L225             Difference]: With dead ends: 2415
[2019-11-06 20:03:54,339 INFO  L226             Difference]: Without dead ends: 2388
[2019-11-06 20:03:54,341 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702
[2019-11-06 20:03:54,345 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2388 states.
[2019-11-06 20:03:54,594 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 1863.
[2019-11-06 20:03:54,594 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1863 states.
[2019-11-06 20:03:54,606 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2349 transitions.
[2019-11-06 20:03:54,606 INFO  L78                 Accepts]: Start accepts. Automaton has 1863 states and 2349 transitions. Word has length 82
[2019-11-06 20:03:54,607 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 20:03:54,607 INFO  L462      AbstractCegarLoop]: Abstraction has 1863 states and 2349 transitions.
[2019-11-06 20:03:54,607 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2019-11-06 20:03:54,607 INFO  L276                IsEmpty]: Start isEmpty. Operand 1863 states and 2349 transitions.
[2019-11-06 20:03:54,615 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 198
[2019-11-06 20:03:54,616 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 20:03:54,616 INFO  L410         BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 20:03:54,616 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 20:03:54,617 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 20:03:54,617 INFO  L82        PathProgramCache]: Analyzing trace with hash 1388294539, now seen corresponding path program 1 times
[2019-11-06 20:03:54,617 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 20:03:54,617 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259634951]
[2019-11-06 20:03:54,618 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 20:03:54,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,114 WARN  L191               SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2019-11-06 20:03:55,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,299 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 20:03:55,330 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.<init>(TraceCheck.java:241)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.<init>(InterpolatingTraceCheck.java:97)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:356)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:109)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:356)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:109)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:239)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:164)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:83)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:75)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:122)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
	at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:550)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:277)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:293)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.<init>(TraceCheck.java:215)
	... 33 more
[2019-11-06 20:03:55,337 INFO  L168              Benchmark]: Toolchain (without parser) took 36776.82 ms. Allocated memory was 144.2 MB in the beginning and 912.3 MB in the end (delta: 768.1 MB). Free memory was 95.7 MB in the beginning and 744.3 MB in the end (delta: -648.6 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB.
[2019-11-06 20:03:55,341 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2019-11-06 20:03:55,343 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 2144.38 ms. Allocated memory was 144.2 MB in the beginning and 219.7 MB in the end (delta: 75.5 MB). Free memory was 95.3 MB in the beginning and 102.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 76.2 MB. Max. memory is 7.1 GB.
[2019-11-06 20:03:55,344 INFO  L168              Benchmark]: Boogie Preprocessor took 239.20 ms. Allocated memory is still 219.7 MB. Free memory was 102.6 MB in the beginning and 92.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
[2019-11-06 20:03:55,346 INFO  L168              Benchmark]: RCFGBuilder took 2853.69 ms. Allocated memory was 219.7 MB in the beginning and 402.7 MB in the end (delta: 183.0 MB). Free memory was 92.6 MB in the beginning and 279.0 MB in the end (delta: -186.4 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB.
[2019-11-06 20:03:55,347 INFO  L168              Benchmark]: TraceAbstraction took 31535.35 ms. Allocated memory was 402.7 MB in the beginning and 912.3 MB in the end (delta: 509.6 MB). Free memory was 279.0 MB in the beginning and 744.3 MB in the end (delta: -465.3 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB.
[2019-11-06 20:03:55,351 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 2144.38 ms. Allocated memory was 144.2 MB in the beginning and 219.7 MB in the end (delta: 75.5 MB). Free memory was 95.3 MB in the beginning and 102.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 76.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 239.20 ms. Allocated memory is still 219.7 MB. Free memory was 102.6 MB in the beginning and 92.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 2853.69 ms. Allocated memory was 219.7 MB in the beginning and 402.7 MB in the end (delta: 183.0 MB). Free memory was 92.6 MB in the beginning and 279.0 MB in the end (delta: -186.4 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 31535.35 ms. Allocated memory was 402.7 MB in the beginning and 912.3 MB in the end (delta: 509.6 MB). Free memory was 279.0 MB in the beginning and 744.3 MB in the end (delta: -465.3 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.<init>(TraceCheck.java:241)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...