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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 18:32:51,343 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 18:32:51,345 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 18:32:51,364 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 18:32:51,364 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 18:32:51,367 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 18:32:51,369 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 18:32:51,381 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 18:32:51,383 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 18:32:51,385 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 18:32:51,387 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 18:32:51,389 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 18:32:51,389 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 18:32:51,393 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 18:32:51,396 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 18:32:51,398 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 18:32:51,399 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 18:32:51,402 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 18:32:51,404 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 18:32:51,410 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 18:32:51,414 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 18:32:51,417 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 18:32:51,420 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 18:32:51,421 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 18:32:51,424 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 18:32:51,424 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 18:32:51,424 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 18:32:51,426 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 18:32:51,427 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 18:32:51,428 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 18:32:51,429 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 18:32:51,430 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 18:32:51,432 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 18:32:51,432 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 18:32:51,434 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 18:32:51,434 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-13 18:32:51,435 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-13 18:32:51,436 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-13 18:32:51,436 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-13 18:32:51,437 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-13 18:32:51,438 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 18:32:51,439 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 18:32:51,461 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 18:32:51,461 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 18:32:51,464 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 18:32:51,464 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 18:32:51,464 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 18:32:51,464 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 18:32:51,465 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 18:32:51,465 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 18:32:51,465 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 18:32:51,465 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 18:32:51,466 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 18:32:51,467 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 18:32:51,467 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 18:32:51,467 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 18:32:51,468 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 18:32:51,468 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 18:32:51,468 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 18:32:51,468 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 18:32:51,468 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 18:32:51,469 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 18:32:51,469 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 18:32:51,469 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 18:32:51,469 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 18:32:51,470 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 18:32:51,470 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 18:32:51,470 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 18:32:51,470 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 18:32:51,470 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 18:32:51,470 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-13 18:32:51,806 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 18:32:51,825 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 18:32:51,829 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 18:32:51,830 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 18:32:51,831 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 18:32:51,831 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i
[2019-10-13 18:32:51,897 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499e236d4/cd19bb0bbe944b63a35a9197779e7e0b/FLAG782e7ad72
[2019-10-13 18:32:52,633 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 18:32:52,634 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i
[2019-10-13 18:32:52,664 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499e236d4/cd19bb0bbe944b63a35a9197779e7e0b/FLAG782e7ad72
[2019-10-13 18:32:52,746 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499e236d4/cd19bb0bbe944b63a35a9197779e7e0b
[2019-10-13 18:32:52,757 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 18:32:52,759 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 18:32:52,760 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 18:32:52,760 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 18:32:52,763 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 18:32:52,764 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:32:52" (1/1) ...
[2019-10-13 18:32:52,767 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41493ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:52, skipping insertion in model container
[2019-10-13 18:32:52,767 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:32:52" (1/1) ...
[2019-10-13 18:32:52,773 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 18:32:52,863 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 18:32:53,510 WARN  L1068              CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3048]
[2019-10-13 18:32:53,511 WARN  L1068              CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
                    size_t ) [3049-3050]
[2019-10-13 18:32:54,245 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 18:32:54,271 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 18:32:54,335 WARN  L1068              CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3048]
[2019-10-13 18:32:54,335 WARN  L1068              CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
                    size_t ) [3049-3050]
[2019-10-13 18:32:54,436 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 18:32:54,524 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 18:32:54,525 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54 WrapperNode
[2019-10-13 18:32:54,525 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 18:32:54,526 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 18:32:54,527 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 18:32:54,527 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 18:32:54,543 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ...
[2019-10-13 18:32:54,544 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ...
[2019-10-13 18:32:54,621 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ...
[2019-10-13 18:32:54,622 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ...
[2019-10-13 18:32:54,763 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ...
[2019-10-13 18:32:54,780 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ...
[2019-10-13 18:32:54,796 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ...
[2019-10-13 18:32:54,824 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 18:32:54,827 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 18:32:54,827 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 18:32:54,827 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 18:32:54,828 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (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 18:32:54,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 18:32:54,903 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 18:32:54,903 INFO  L138     BoogieDeclarations]: Found implementation of procedure PTR_ERR
[2019-10-13 18:32:54,903 INFO  L138     BoogieDeclarations]: Found implementation of procedure IS_ERR
[2019-10-13 18:32:54,904 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_read
[2019-10-13 18:32:54,904 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_set
[2019-10-13 18:32:54,904 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_inc
[2019-10-13 18:32:54,904 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test
[2019-10-13 18:32:54,905 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2019-10-13 18:32:54,905 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12
[2019-10-13 18:32:54,906 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2019-10-13 18:32:54,906 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2019-10-13 18:32:54,908 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2019-10-13 18:32:54,908 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr
[2019-10-13 18:32:54,909 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2019-10-13 18:32:54,909 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2019-10-13 18:32:54,909 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2019-10-13 18:32:54,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2019-10-13 18:32:54,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap
[2019-10-13 18:32:54,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure iminor
[2019-10-13 18:32:54,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure register_chrdev
[2019-10-13 18:32:54,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure unregister_chrdev
[2019-10-13 18:32:54,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure copy_from_user
[2019-10-13 18:32:54,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure copy_to_user
[2019-10-13 18:32:54,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure status_reg
[2019-10-13 18:32:54,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure read_reg
[2019-10-13 18:32:54,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure write_reg
[2019-10-13 18:32:54,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure DRIVE
[2019-10-13 18:32:54,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_wait
[2019-10-13 18:32:54,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_command
[2019-10-13 18:32:54,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_completion
[2019-10-13 18:32:54,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_req_sense
[2019-10-13 18:32:54,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_atapi
[2019-10-13 18:32:54,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_sleep
[2019-10-13 18:32:54,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_poll_dsc
[2019-10-13 18:32:54,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd
[2019-10-13 18:32:54,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_rewind
[2019-10-13 18:32:54,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_write_fm
[2019-10-13 18:32:54,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_reset
[2019-10-13 18:32:54,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_ready_wait
[2019-10-13 18:32:54,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure xs
[2019-10-13 18:32:54,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure xn
[2019-10-13 18:32:54,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_identify
[2019-10-13 18:32:54,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_probe
[2019-10-13 18:32:54,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_detect
[2019-10-13 18:32:54,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_open
[2019-10-13 18:32:54,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_ioctl
[2019-10-13 18:32:54,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_release
[2019-10-13 18:32:54,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_read
[2019-10-13 18:32:54,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_write
[2019-10-13 18:32:54,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_init
[2019-10-13 18:32:54,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure pt_exit
[2019-10-13 18:32:54,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1
[2019-10-13 18:32:54,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 18:32:54,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2019-10-13 18:32:54,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16
[2019-10-13 18:32:54,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_19
[2019-10-13 18:32:54,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20
[2019-10-13 18:32:54,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags
[2019-10-13 18:32:54,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page
[2019-10-13 18:32:54,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic
[2019-10-13 18:32:54,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_lock
[2019-10-13 18:32:54,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock
[2019-10-13 18:32:54,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock
[2019-10-13 18:32:54,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure __class_create
[2019-10-13 18:32:54,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure __const_udelay
[2019-10-13 18:32:54,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow
[2019-10-13 18:32:54,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow
[2019-10-13 18:32:54,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure __register_chrdev
[2019-10-13 18:32:54,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure __unregister_chrdev
[2019-10-13 18:32:54,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure _copy_from_user
[2019-10-13 18:32:54,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure _copy_to_user
[2019-10-13 18:32:54,918 INFO  L138     BoogieDeclarations]: Found implementation of procedure class_destroy
[2019-10-13 18:32:54,918 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_create
[2019-10-13 18:32:54,918 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_destroy
[2019-10-13 18:32:54,918 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc
[2019-10-13 18:32:54,918 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2019-10-13 18:32:54,918 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2019-10-13 18:32:54,919 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_some_page
[2019-10-13 18:32:54,919 INFO  L138     BoogieDeclarations]: Found implementation of procedure might_fault
[2019-10-13 18:32:54,919 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_lock_nested
[2019-10-13 18:32:54,919 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2019-10-13 18:32:54,919 INFO  L138     BoogieDeclarations]: Found implementation of procedure noop_llseek
[2019-10-13 18:32:54,919 INFO  L138     BoogieDeclarations]: Found implementation of procedure pi_connect
[2019-10-13 18:32:54,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure pi_disconnect
[2019-10-13 18:32:54,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure pi_init
[2019-10-13 18:32:54,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure pi_read_block
[2019-10-13 18:32:54,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure pi_read_regr
[2019-10-13 18:32:54,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure pi_release
[2019-10-13 18:32:54,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure pi_write_block
[2019-10-13 18:32:54,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure pi_write_regr
[2019-10-13 18:32:54,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2019-10-13 18:32:54,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible
[2019-10-13 18:32:54,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure external_alloc
[2019-10-13 18:32:54,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2019-10-13 18:32:54,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2019-10-13 18:32:54,922 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 18:32:54,922 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 18:32:54,922 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2019-10-13 18:32:54,922 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2019-10-13 18:32:54,922 INFO  L130     BoogieDeclarations]: Found specification of procedure might_fault
[2019-10-13 18:32:54,922 INFO  L130     BoogieDeclarations]: Found specification of procedure snprintf
[2019-10-13 18:32:54,923 INFO  L130     BoogieDeclarations]: Found specification of procedure PTR_ERR
[2019-10-13 18:32:54,923 INFO  L130     BoogieDeclarations]: Found specification of procedure IS_ERR
[2019-10-13 18:32:54,923 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_read
[2019-10-13 18:32:54,923 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 18:32:54,923 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_set
[2019-10-13 18:32:54,923 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 18:32:54,923 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_inc
[2019-10-13 18:32:54,924 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_dec_and_test
[2019-10-13 18:32:54,924 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_lock_nested
[2019-10-13 18:32:54,924 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_unlock
[2019-10-13 18:32:54,924 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2019-10-13 18:32:54,924 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2019-10-13 18:32:54,924 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2019-10-13 18:32:54,924 INFO  L130     BoogieDeclarations]: Found specification of procedure kmem_cache_alloc
[2019-10-13 18:32:54,925 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16
[2019-10-13 18:32:54,925 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12
[2019-10-13 18:32:54,925 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2019-10-13 18:32:54,925 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags
[2019-10-13 18:32:54,925 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-10-13 18:32:54,925 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2019-10-13 18:32:54,926 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 18:32:54,926 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t
[2019-10-13 18:32:54,926 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t
[2019-10-13 18:32:54,926 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2019-10-13 18:32:54,926 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2019-10-13 18:32:54,926 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-10-13 18:32:54,926 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-10-13 18:32:54,927 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-13 18:32:54,927 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2019-10-13 18:32:54,927 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2019-10-13 18:32:54,927 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2019-10-13 18:32:54,927 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ptr
[2019-10-13 18:32:54,927 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2019-10-13 18:32:54,928 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2019-10-13 18:32:54,928 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2019-10-13 18:32:54,928 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_trap
[2019-10-13 18:32:54,928 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_file_operations_1
[2019-10-13 18:32:54,928 INFO  L130     BoogieDeclarations]: Found specification of procedure iminor
[2019-10-13 18:32:54,928 INFO  L130     BoogieDeclarations]: Found specification of procedure __register_chrdev
[2019-10-13 18:32:54,929 INFO  L130     BoogieDeclarations]: Found specification of procedure __unregister_chrdev
[2019-10-13 18:32:54,929 INFO  L130     BoogieDeclarations]: Found specification of procedure register_chrdev
[2019-10-13 18:32:54,929 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_19
[2019-10-13 18:32:54,929 INFO  L130     BoogieDeclarations]: Found specification of procedure unregister_chrdev
[2019-10-13 18:32:54,929 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20
[2019-10-13 18:32:54,929 INFO  L130     BoogieDeclarations]: Found specification of procedure noop_llseek
[2019-10-13 18:32:54,929 INFO  L130     BoogieDeclarations]: Found specification of procedure __const_udelay
[2019-10-13 18:32:54,930 INFO  L130     BoogieDeclarations]: Found specification of procedure __class_create
[2019-10-13 18:32:54,930 INFO  L130     BoogieDeclarations]: Found specification of procedure class_destroy
[2019-10-13 18:32:54,930 INFO  L130     BoogieDeclarations]: Found specification of procedure device_create
[2019-10-13 18:32:54,930 INFO  L130     BoogieDeclarations]: Found specification of procedure device_destroy
[2019-10-13 18:32:54,930 INFO  L130     BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible
[2019-10-13 18:32:54,930 INFO  L130     BoogieDeclarations]: Found specification of procedure _copy_from_user
[2019-10-13 18:32:54,930 INFO  L130     BoogieDeclarations]: Found specification of procedure _copy_to_user
[2019-10-13 18:32:54,931 INFO  L130     BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow
[2019-10-13 18:32:54,931 INFO  L130     BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow
[2019-10-13 18:32:54,931 INFO  L130     BoogieDeclarations]: Found specification of procedure copy_from_user
[2019-10-13 18:32:54,931 INFO  L130     BoogieDeclarations]: Found specification of procedure copy_to_user
[2019-10-13 18:32:54,931 INFO  L130     BoogieDeclarations]: Found specification of procedure pi_init
[2019-10-13 18:32:54,931 INFO  L130     BoogieDeclarations]: Found specification of procedure pi_release
[2019-10-13 18:32:54,931 INFO  L130     BoogieDeclarations]: Found specification of procedure pi_write_regr
[2019-10-13 18:32:54,932 INFO  L130     BoogieDeclarations]: Found specification of procedure pi_read_regr
[2019-10-13 18:32:54,932 INFO  L130     BoogieDeclarations]: Found specification of procedure pi_write_block
[2019-10-13 18:32:54,932 INFO  L130     BoogieDeclarations]: Found specification of procedure pi_read_block
[2019-10-13 18:32:54,932 INFO  L130     BoogieDeclarations]: Found specification of procedure pi_connect
[2019-10-13 18:32:54,932 INFO  L130     BoogieDeclarations]: Found specification of procedure pi_disconnect
[2019-10-13 18:32:54,932 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_open
[2019-10-13 18:32:54,932 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_ioctl
[2019-10-13 18:32:54,933 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_release
[2019-10-13 18:32:54,933 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_read
[2019-10-13 18:32:54,933 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_write
[2019-10-13 18:32:54,933 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_detect
[2019-10-13 18:32:54,933 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_identify
[2019-10-13 18:32:54,933 INFO  L130     BoogieDeclarations]: Found specification of procedure status_reg
[2019-10-13 18:32:54,933 INFO  L130     BoogieDeclarations]: Found specification of procedure read_reg
[2019-10-13 18:32:54,934 INFO  L130     BoogieDeclarations]: Found specification of procedure write_reg
[2019-10-13 18:32:54,934 INFO  L130     BoogieDeclarations]: Found specification of procedure DRIVE
[2019-10-13 18:32:54,934 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_wait
[2019-10-13 18:32:54,934 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 18:32:54,934 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_command
[2019-10-13 18:32:54,934 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_completion
[2019-10-13 18:32:54,934 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_req_sense
[2019-10-13 18:32:54,935 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 18:32:54,935 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_atapi
[2019-10-13 18:32:54,935 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_sleep
[2019-10-13 18:32:54,935 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_poll_dsc
[2019-10-13 18:32:54,935 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_media_access_cmd
[2019-10-13 18:32:54,935 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_rewind
[2019-10-13 18:32:54,935 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_write_fm
[2019-10-13 18:32:54,936 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_reset
[2019-10-13 18:32:54,936 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_ready_wait
[2019-10-13 18:32:54,936 INFO  L130     BoogieDeclarations]: Found specification of procedure xs
[2019-10-13 18:32:54,936 INFO  L130     BoogieDeclarations]: Found specification of procedure xn
[2019-10-13 18:32:54,936 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 18:32:54,936 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_probe
[2019-10-13 18:32:54,937 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_init
[2019-10-13 18:32:54,937 INFO  L130     BoogieDeclarations]: Found specification of procedure pt_exit
[2019-10-13 18:32:54,937 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2019-10-13 18:32:54,937 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2019-10-13 18:32:54,937 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 18:32:54,937 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_some_page
[2019-10-13 18:32:54,938 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page
[2019-10-13 18:32:54,938 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic
[2019-10-13 18:32:54,938 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_lock
[2019-10-13 18:32:54,938 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_unlock
[2019-10-13 18:32:54,938 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_trylock
[2019-10-13 18:32:54,939 INFO  L130     BoogieDeclarations]: Found specification of procedure external_alloc
[2019-10-13 18:32:54,939 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2019-10-13 18:32:54,939 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-13 18:32:54,939 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 18:32:54,939 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 18:32:54,939 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-10-13 18:32:54,939 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 18:32:55,635 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2019-10-13 18:33:02,789 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 18:33:02,789 INFO  L284             CfgBuilder]: Removed 4 assume(true) statements.
[2019-10-13 18:33:02,791 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:33:02 BoogieIcfgContainer
[2019-10-13 18:33:02,791 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 18:33:02,792 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 18:33:02,792 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 18:33:02,794 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 18:33:02,794 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:32:52" (1/3) ...
[2019-10-13 18:33:02,795 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e3b586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:33:02, skipping insertion in model container
[2019-10-13 18:33:02,795 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (2/3) ...
[2019-10-13 18:33:02,796 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e3b586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:33:02, skipping insertion in model container
[2019-10-13 18:33:02,796 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:33:02" (3/3) ...
[2019-10-13 18:33:02,797 INFO  L109   eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i
[2019-10-13 18:33:02,807 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 18:33:02,816 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 18:33:02,827 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 18:33:02,869 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 18:33:02,869 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 18:33:02,869 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 18:33:02,869 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 18:33:02,869 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 18:33:02,869 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 18:33:02,869 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 18:33:02,869 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 18:33:02,910 INFO  L276                IsEmpty]: Start isEmpty. Operand 834 states.
[2019-10-13 18:33:02,942 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2019-10-13 18:33:02,942 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:33:02,944 INFO  L380         BasicCegarLoop]: trace histogram [4, 4, 4, 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]
[2019-10-13 18:33:02,946 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:33:02,952 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:33:02,953 INFO  L82        PathProgramCache]: Analyzing trace with hash -513910436, now seen corresponding path program 1 times
[2019-10-13 18:33:02,962 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:33:02,962 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775201509]
[2019-10-13 18:33:02,962 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:33:02,963 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:33:02,963 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:33:03,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,348 WARN  L191               SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 448
[2019-10-13 18:33:05,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,431 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,623 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 18:33:05,744 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2019-10-13 18:33:05,745 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775201509]
[2019-10-13 18:33:05,746 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 18:33:05,746 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-10-13 18:33:05,746 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700157531]
[2019-10-13 18:33:05,754 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-10-13 18:33:05,755 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 18:33:05,774 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-10-13 18:33:05,776 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-10-13 18:33:05,779 INFO  L87              Difference]: Start difference. First operand 834 states. Second operand 6 states.
[2019-10-13 18:33:09,046 WARN  L191               SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 450
[2019-10-13 18:33:30,515 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 18:33:30,515 INFO  L93              Difference]: Finished difference Result 1902 states and 2614 transitions.
[2019-10-13 18:33:30,516 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-10-13 18:33:30,517 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 142
[2019-10-13 18:33:30,518 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 18:33:30,547 INFO  L225             Difference]: With dead ends: 1902
[2019-10-13 18:33:30,547 INFO  L226             Difference]: Without dead ends: 1016
[2019-10-13 18:33:30,562 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2019-10-13 18:33:30,583 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1016 states.
[2019-10-13 18:33:30,887 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 910.
[2019-10-13 18:33:30,889 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 910 states.
[2019-10-13 18:33:30,898 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1209 transitions.
[2019-10-13 18:33:30,902 INFO  L78                 Accepts]: Start accepts. Automaton has 910 states and 1209 transitions. Word has length 142
[2019-10-13 18:33:30,902 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 18:33:30,902 INFO  L462      AbstractCegarLoop]: Abstraction has 910 states and 1209 transitions.
[2019-10-13 18:33:30,902 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-10-13 18:33:30,903 INFO  L276                IsEmpty]: Start isEmpty. Operand 910 states and 1209 transitions.
[2019-10-13 18:33:30,922 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 203
[2019-10-13 18:33:30,923 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 18:33:30,923 INFO  L380         BasicCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 18:33:30,924 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 18:33:30,924 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 18:33:30,924 INFO  L82        PathProgramCache]: Analyzing trace with hash -357216398, now seen corresponding path program 1 times
[2019-10-13 18:33:30,924 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 18:33:30,925 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409318332]
[2019-10-13 18:33:30,925 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:33:30,925 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 18:33:30,925 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 18:33:31,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat