/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i


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


This is Ultimate 0.2.0-0f64333
[2020-10-28 21:52:38,357 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-28 21:52:38,361 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-28 21:52:38,417 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-28 21:52:38,417 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-28 21:52:38,425 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-28 21:52:38,428 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-28 21:52:38,432 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-28 21:52:38,436 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-28 21:52:38,444 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-28 21:52:38,445 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-10-28 21:52:38,447 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-28 21:52:38,447 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-28 21:52:38,450 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-28 21:52:38,454 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-28 21:52:38,456 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-28 21:52:38,457 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-28 21:52:38,461 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-28 21:52:38,469 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-28 21:52:38,474 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-28 21:52:38,476 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-28 21:52:38,478 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-28 21:52:38,479 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-28 21:52:38,482 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-28 21:52:38,490 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-28 21:52:38,490 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-28 21:52:38,491 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-28 21:52:38,493 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-28 21:52:38,494 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-28 21:52:38,495 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-28 21:52:38,495 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-28 21:52:38,495 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-28 21:52:38,499 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-28 21:52:38,500 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-28 21:52:38,501 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-28 21:52:38,502 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-28 21:52:38,503 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-28 21:52:38,503 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-28 21:52:38,503 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-28 21:52:38,516 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-28 21:52:38,516 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-28 21:52:38,517 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf
[2020-10-28 21:52:38,566 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-28 21:52:38,566 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-28 21:52:38,570 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-28 21:52:38,570 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-28 21:52:38,570 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-28 21:52:38,570 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-28 21:52:38,571 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-28 21:52:38,571 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-28 21:52:38,571 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-28 21:52:38,571 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-28 21:52:38,572 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-28 21:52:38,573 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-28 21:52:38,573 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-28 21:52:38,574 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-28 21:52:38,574 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-28 21:52:38,574 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-28 21:52:38,574 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-28 21:52:38,574 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-28 21:52:38,575 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-28 21:52:38,575 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-28 21:52:38,575 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-10-28 21:52:38,575 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-28 21:52:38,575 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-28 21:52:38,575 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-28 21:52:38,576 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-28 21:52:38,576 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-10-28 21:52:38,576 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-10-28 21:52:38,576 INFO  L138        SettingsManager]:  * To the following directory=dump/
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true;
[2020-10-28 21:52:38,983 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-28 21:52:39,011 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-28 21:52:39,014 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-28 21:52:39,015 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-28 21:52:39,016 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-28 21:52:39,017 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i
[2020-10-28 21:52:39,090 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c378608cc/bd8c5a7711e34345ac010ae8a1c468b2/FLAG83c71636f
[2020-10-28 21:52:40,121 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-28 21:52:40,122 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i
[2020-10-28 21:52:40,178 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c378608cc/bd8c5a7711e34345ac010ae8a1c468b2/FLAG83c71636f
[2020-10-28 21:52:40,551 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c378608cc/bd8c5a7711e34345ac010ae8a1c468b2
[2020-10-28 21:52:40,554 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-28 21:52:40,561 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-28 21:52:40,563 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-28 21:52:40,563 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-28 21:52:40,568 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-28 21:52:40,569 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:52:40" (1/1) ...
[2020-10-28 21:52:40,574 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1226da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:40, skipping insertion in model container
[2020-10-28 21:52:40,574 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:52:40" (1/1) ...
[2020-10-28 21:52:40,582 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-28 21:52:40,731 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-28 21:52:42,582 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-28 21:52:42,623 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-28 21:52:43,137 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-28 21:52:43,366 INFO  L208         MainTranslator]: Completed translation
[2020-10-28 21:52:43,366 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:43 WrapperNode
[2020-10-28 21:52:43,367 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-28 21:52:43,369 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-28 21:52:43,369 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-28 21:52:43,369 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-28 21:52:43,382 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:43" (1/1) ...
[2020-10-28 21:52:43,383 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:43" (1/1) ...
[2020-10-28 21:52:43,506 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:43" (1/1) ...
[2020-10-28 21:52:43,507 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:43" (1/1) ...
[2020-10-28 21:52:43,659 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:43" (1/1) ...
[2020-10-28 21:52:43,691 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:43" (1/1) ...
[2020-10-28 21:52:43,726 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:43" (1/1) ...
[2020-10-28 21:52:43,750 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-28 21:52:43,751 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-28 21:52:43,752 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-28 21:52:43,752 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-28 21:52:43,753 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:43" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-10-28 21:52:43,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-28 21:52:43,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-28 21:52:43,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-28 21:52:43,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure __arch_swab32
[2020-10-28 21:52:43,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure __fswab16
[2020-10-28 21:52:43,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure __fswab32
[2020-10-28 21:52:43,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_current
[2020-10-28 21:52:43,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD
[2020-10-28 21:52:43,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure list_add
[2020-10-28 21:52:43,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure list_add_tail
[2020-10-28 21:52:43,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure list_move
[2020-10-28 21:52:43,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure list_empty
[2020-10-28 21:52:43,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure spinlock_check
[2020-10-28 21:52:43,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock
[2020-10-28 21:52:43,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock_irq
[2020-10-28 21:52:43,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock
[2020-10-28 21:52:43,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irq
[2020-10-28 21:52:43,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore
[2020-10-28 21:52:43,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2020-10-28 21:52:43,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure copy_to_user
[2020-10-28 21:52:43,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure device_private_init
[2020-10-28 21:52:43,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_get_drvdata
[2020-10-28 21:52:43,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2020-10-28 21:52:43,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string
[2020-10-28 21:52:43,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_register
[2020-10-28 21:52:43,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb
[2020-10-28 21:52:43,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure __create_pipe
[2020-10-28 21:52:43,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data
[2020-10-28 21:52:43,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data
[2020-10-28 21:52:43,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data
[2020-10-28 21:52:43,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure ihex_next_binrec
[2020-10-28 21:52:43,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure ihex_validate_fw
[2020-10-28 21:52:43,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure request_ihex_firmware
[2020-10-28 21:52:43,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download
[2020-10-28 21:52:43,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach
[2020-10-28 21:52:43,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_attach
[2020-10-28 21:52:43,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_release
[2020-10-28 21:52:43,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_open
[2020-10-28 21:52:43,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_close
[2020-10-28 21:52:43,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_write
[2020-10-28 21:52:43,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_write_room
[2020-10-28 21:52:43,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget
[2020-10-28 21:52:43,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset
[2020-10-28 21:52:43,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl
[2020-10-28 21:52:43,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios
[2020-10-28 21:52:43,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl
[2020-10-28 21:52:43,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer
[2020-10-28 21:52:43,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_throttle
[2020-10-28 21:52:43,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle
[2020-10-28 21:52:43,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure command_port_write_callback
[2020-10-28 21:52:43,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure command_port_read_callback
[2020-10-28 21:52:43,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback
[2020-10-28 21:52:43,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback
[2020-10-28 21:52:43,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure firm_send_command
[2020-10-28 21:52:43,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure firm_open
[2020-10-28 21:52:43,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure firm_close
[2020-10-28 21:52:43,842 INFO  L138     BoogieDeclarations]: Found implementation of procedure firm_setup_port
[2020-10-28 21:52:43,842 INFO  L138     BoogieDeclarations]: Found implementation of procedure firm_set_rts
[2020-10-28 21:52:43,842 INFO  L138     BoogieDeclarations]: Found implementation of procedure firm_set_dtr
[2020-10-28 21:52:43,842 INFO  L138     BoogieDeclarations]: Found implementation of procedure firm_set_break
[2020-10-28 21:52:43,843 INFO  L138     BoogieDeclarations]: Found implementation of procedure firm_purge
[2020-10-28 21:52:43,843 INFO  L138     BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts
[2020-10-28 21:52:43,843 INFO  L138     BoogieDeclarations]: Found implementation of procedure firm_report_tx_done
[2020-10-28 21:52:43,843 INFO  L138     BoogieDeclarations]: Found implementation of procedure start_command_port
[2020-10-28 21:52:43,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure stop_command_port
[2020-10-28 21:52:43,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure start_port_read
[2020-10-28 21:52:43,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure urb_to_wrap
[2020-10-28 21:52:43,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure list_first
[2020-10-28 21:52:43,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure rx_data_softint
[2020-10-28 21:52:43,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_init
[2020-10-28 21:52:43,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure whiteheat_exit
[2020-10-28 21:52:43,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_module
[2020-10-28 21:52:43,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup_module
[2020-10-28 21:52:43,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-10-28 21:52:43,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_blast_assert
[2020-10-28 21:52:43,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_assume_stop
[2020-10-28 21:52:43,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent
[2020-10-28 21:52:43,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_coherent
[2020-10-28 21:52:43,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_urb
[2020-10-28 21:52:43,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_urb
[2020-10-28 21:52:43,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2020-10-28 21:52:43,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head
[2020-10-28 21:52:43,849 INFO  L138     BoogieDeclarations]: Found implementation of procedure __init_work
[2020-10-28 21:52:43,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-10-28 21:52:43,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2020-10-28 21:52:43,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure __list_add
[2020-10-28 21:52:43,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure __list_del_entry
[2020-10-28 21:52:43,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure __mutex_init
[2020-10-28 21:52:43,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init
[2020-10-28 21:52:43,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure __wake_up
[2020-10-28 21:52:43,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure _copy_to_user
[2020-10-28 21:52:43,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure _dev_info
[2020-10-28 21:52:43,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_lock
[2020-10-28 21:52:43,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq
[2020-10-28 21:52:43,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave
[2020-10-28 21:52:43,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock
[2020-10-28 21:52:43,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq
[2020-10-28 21:52:43,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore
[2020-10-28 21:52:43,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_err
[2020-10-28 21:52:43,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_printk
[2020-10-28 21:52:43,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure ezusb_set_reset
[2020-10-28 21:52:43,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure ezusb_writememory
[2020-10-28 21:52:43,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure finish_wait
[2020-10-28 21:52:43,853 INFO  L138     BoogieDeclarations]: Found implementation of procedure kzalloc
[2020-10-28 21:52:43,853 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_return_value
[2020-10-28 21:52:43,853 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2020-10-28 21:52:43,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer
[2020-10-28 21:52:43,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure list_del
[2020-10-28 21:52:43,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure lockdep_init_map
[2020-10-28 21:52:43,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure might_fault
[2020-10-28 21:52:43,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_lock_nested
[2020-10-28 21:52:43,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2020-10-28 21:52:43,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure prepare_to_wait
[2020-10-28 21:52:43,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2020-10-28 21:52:43,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure release_firmware
[2020-10-28 21:52:43,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure request_firmware
[2020-10-28 21:52:43,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure schedule_timeout
[2020-10-28 21:52:43,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure schedule_work
[2020-10-28 21:52:43,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate
[2020-10-28 21:52:43,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push
[2020-10-28 21:52:43,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate
[2020-10-28 21:52:43,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag
[2020-10-28 21:52:43,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_kref_put
[2020-10-28 21:52:43,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure tty_port_tty_get
[2020-10-28 21:52:43,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_bulk_msg
[2020-10-28 21:52:43,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_clear_halt
[2020-10-28 21:52:43,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_deregister
[2020-10-28 21:52:43,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_kill_urb
[2020-10-28 21:52:43,859 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_register_driver
[2020-10-28 21:52:43,859 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_serial_deregister
[2020-10-28 21:52:43,859 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint
[2020-10-28 21:52:43,859 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_serial_register
[2020-10-28 21:52:43,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_submit_urb
[2020-10-28 21:52:43,861 INFO  L138     BoogieDeclarations]: Found implementation of procedure autoremove_wake_function
[2020-10-28 21:52:43,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2020-10-28 21:52:43,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2020-10-28 21:52:43,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2020-10-28 21:52:43,865 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-10-28 21:52:43,865 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-28 21:52:43,866 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2020-10-28 21:52:43,867 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2020-10-28 21:52:43,867 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-28 21:52:43,867 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-28 21:52:43,867 INFO  L130     BoogieDeclarations]: Found specification of procedure __arch_swab32
[2020-10-28 21:52:43,868 INFO  L130     BoogieDeclarations]: Found specification of procedure __fswab16
[2020-10-28 21:52:43,873 INFO  L130     BoogieDeclarations]: Found specification of procedure __fswab32
[2020-10-28 21:52:43,873 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2020-10-28 21:52:43,873 INFO  L130     BoogieDeclarations]: Found specification of procedure might_fault
[2020-10-28 21:52:43,874 INFO  L130     BoogieDeclarations]: Found specification of procedure __bad_percpu_size
[2020-10-28 21:52:43,874 INFO  L130     BoogieDeclarations]: Found specification of procedure get_current
[2020-10-28 21:52:43,874 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2020-10-28 21:52:43,874 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2020-10-28 21:52:43,874 INFO  L130     BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD
[2020-10-28 21:52:43,874 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-28 21:52:43,874 INFO  L130     BoogieDeclarations]: Found specification of procedure __list_add
[2020-10-28 21:52:43,874 INFO  L130     BoogieDeclarations]: Found specification of procedure list_add
[2020-10-28 21:52:43,875 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-28 21:52:43,875 INFO  L130     BoogieDeclarations]: Found specification of procedure list_add_tail
[2020-10-28 21:52:43,875 INFO  L130     BoogieDeclarations]: Found specification of procedure __list_del_entry
[2020-10-28 21:52:43,877 INFO  L130     BoogieDeclarations]: Found specification of procedure list_del
[2020-10-28 21:52:43,877 INFO  L130     BoogieDeclarations]: Found specification of procedure list_move
[2020-10-28 21:52:43,878 INFO  L130     BoogieDeclarations]: Found specification of procedure list_empty
[2020-10-28 21:52:43,878 INFO  L130     BoogieDeclarations]: Found specification of procedure lockdep_init_map
[2020-10-28 21:52:43,878 INFO  L130     BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init
[2020-10-28 21:52:43,878 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_lock
[2020-10-28 21:52:43,878 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq
[2020-10-28 21:52:43,878 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave
[2020-10-28 21:52:43,878 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_unlock
[2020-10-28 21:52:43,878 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq
[2020-10-28 21:52:43,878 INFO  L130     BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore
[2020-10-28 21:52:43,879 INFO  L130     BoogieDeclarations]: Found specification of procedure spinlock_check
[2020-10-28 21:52:43,879 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock
[2020-10-28 21:52:43,879 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock_irq
[2020-10-28 21:52:43,879 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock
[2020-10-28 21:52:43,879 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irq
[2020-10-28 21:52:43,879 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore
[2020-10-28 21:52:43,879 INFO  L130     BoogieDeclarations]: Found specification of procedure __init_waitqueue_head
[2020-10-28 21:52:43,879 INFO  L130     BoogieDeclarations]: Found specification of procedure __wake_up
[2020-10-28 21:52:43,880 INFO  L130     BoogieDeclarations]: Found specification of procedure prepare_to_wait
[2020-10-28 21:52:43,880 INFO  L130     BoogieDeclarations]: Found specification of procedure finish_wait
[2020-10-28 21:52:43,880 INFO  L130     BoogieDeclarations]: Found specification of procedure autoremove_wake_function
[2020-10-28 21:52:43,880 INFO  L130     BoogieDeclarations]: Found specification of procedure __mutex_init
[2020-10-28 21:52:43,880 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_lock_nested
[2020-10-28 21:52:43,880 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_unlock
[2020-10-28 21:52:43,880 INFO  L130     BoogieDeclarations]: Found specification of procedure __init_work
[2020-10-28 21:52:43,880 INFO  L130     BoogieDeclarations]: Found specification of procedure schedule_work
[2020-10-28 21:52:43,881 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2020-10-28 21:52:43,881 INFO  L130     BoogieDeclarations]: Found specification of procedure kzalloc
[2020-10-28 21:52:43,881 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2020-10-28 21:52:43,881 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2020-10-28 21:52:43,881 INFO  L130     BoogieDeclarations]: Found specification of procedure _copy_to_user
[2020-10-28 21:52:43,881 INFO  L130     BoogieDeclarations]: Found specification of procedure copy_to_user
[2020-10-28 21:52:43,882 INFO  L130     BoogieDeclarations]: Found specification of procedure init_module
[2020-10-28 21:52:43,882 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup_module
[2020-10-28 21:52:43,882 INFO  L130     BoogieDeclarations]: Found specification of procedure device_private_init
[2020-10-28 21:52:43,882 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_get_drvdata
[2020-10-28 21:52:43,882 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2020-10-28 21:52:43,882 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_printk
[2020-10-28 21:52:43,882 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_err
[2020-10-28 21:52:43,882 INFO  L130     BoogieDeclarations]: Found specification of procedure _dev_info
[2020-10-28 21:52:43,883 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_kref_put
[2020-10-28 21:52:43,883 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push
[2020-10-28 21:52:43,883 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_get_baud_rate
[2020-10-28 21:52:43,883 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate
[2020-10-28 21:52:43,883 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_port_tty_get
[2020-10-28 21:52:43,883 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag
[2020-10-28 21:52:43,883 INFO  L130     BoogieDeclarations]: Found specification of procedure tty_insert_flip_string
[2020-10-28 21:52:43,883 INFO  L130     BoogieDeclarations]: Found specification of procedure schedule_timeout
[2020-10-28 21:52:43,883 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_register_driver
[2020-10-28 21:52:43,884 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_register
[2020-10-28 21:52:43,884 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_deregister
[2020-10-28 21:52:43,884 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb
[2020-10-28 21:52:43,884 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-28 21:52:43,884 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_urb
[2020-10-28 21:52:43,884 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_urb
[2020-10-28 21:52:43,884 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_submit_urb
[2020-10-28 21:52:43,884 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_kill_urb
[2020-10-28 21:52:43,885 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_coherent
[2020-10-28 21:52:43,885 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_coherent
[2020-10-28 21:52:43,885 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_bulk_msg
[2020-10-28 21:52:43,885 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_clear_halt
[2020-10-28 21:52:43,885 INFO  L130     BoogieDeclarations]: Found specification of procedure __create_pipe
[2020-10-28 21:52:43,885 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-10-28 21:52:43,885 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data
[2020-10-28 21:52:43,885 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data
[2020-10-28 21:52:43,886 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_serial_register
[2020-10-28 21:52:43,886 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_serial_deregister
[2020-10-28 21:52:43,886 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_serial_port_softint
[2020-10-28 21:52:43,886 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_serial_probe
[2020-10-28 21:52:43,886 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_serial_disconnect
[2020-10-28 21:52:43,886 INFO  L130     BoogieDeclarations]: Found specification of procedure ezusb_writememory
[2020-10-28 21:52:43,886 INFO  L130     BoogieDeclarations]: Found specification of procedure ezusb_set_reset
[2020-10-28 21:52:43,886 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_serial_debug_data
[2020-10-28 21:52:43,887 INFO  L130     BoogieDeclarations]: Found specification of procedure request_firmware
[2020-10-28 21:52:43,887 INFO  L130     BoogieDeclarations]: Found specification of procedure release_firmware
[2020-10-28 21:52:43,887 INFO  L130     BoogieDeclarations]: Found specification of procedure ihex_next_binrec
[2020-10-28 21:52:43,887 INFO  L130     BoogieDeclarations]: Found specification of procedure ihex_validate_fw
[2020-10-28 21:52:43,887 INFO  L130     BoogieDeclarations]: Found specification of procedure request_ihex_firmware
[2020-10-28 21:52:43,887 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-28 21:52:43,887 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download
[2020-10-28 21:52:43,888 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach
[2020-10-28 21:52:43,888 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_attach
[2020-10-28 21:52:43,888 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_release
[2020-10-28 21:52:43,888 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_open
[2020-10-28 21:52:43,888 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_close
[2020-10-28 21:52:43,888 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_write
[2020-10-28 21:52:43,888 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_write_room
[2020-10-28 21:52:43,888 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_ioctl
[2020-10-28 21:52:43,889 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_set_termios
[2020-10-28 21:52:43,889 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget
[2020-10-28 21:52:43,889 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset
[2020-10-28 21:52:43,889 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl
[2020-10-28 21:52:43,889 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer
[2020-10-28 21:52:43,889 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_throttle
[2020-10-28 21:52:43,889 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle
[2020-10-28 21:52:43,889 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_read_callback
[2020-10-28 21:52:43,889 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_write_callback
[2020-10-28 21:52:43,890 INFO  L130     BoogieDeclarations]: Found specification of procedure start_command_port
[2020-10-28 21:52:43,890 INFO  L130     BoogieDeclarations]: Found specification of procedure stop_command_port
[2020-10-28 21:52:43,890 INFO  L130     BoogieDeclarations]: Found specification of procedure command_port_write_callback
[2020-10-28 21:52:43,891 INFO  L130     BoogieDeclarations]: Found specification of procedure command_port_read_callback
[2020-10-28 21:52:43,895 INFO  L130     BoogieDeclarations]: Found specification of procedure start_port_read
[2020-10-28 21:52:43,895 INFO  L130     BoogieDeclarations]: Found specification of procedure urb_to_wrap
[2020-10-28 21:52:43,896 INFO  L130     BoogieDeclarations]: Found specification of procedure list_first
[2020-10-28 21:52:43,896 INFO  L130     BoogieDeclarations]: Found specification of procedure rx_data_softint
[2020-10-28 21:52:43,896 INFO  L130     BoogieDeclarations]: Found specification of procedure firm_send_command
[2020-10-28 21:52:43,896 INFO  L130     BoogieDeclarations]: Found specification of procedure firm_open
[2020-10-28 21:52:43,896 INFO  L130     BoogieDeclarations]: Found specification of procedure firm_close
[2020-10-28 21:52:43,896 INFO  L130     BoogieDeclarations]: Found specification of procedure firm_setup_port
[2020-10-28 21:52:43,896 INFO  L130     BoogieDeclarations]: Found specification of procedure firm_set_rts
[2020-10-28 21:52:43,896 INFO  L130     BoogieDeclarations]: Found specification of procedure firm_set_dtr
[2020-10-28 21:52:43,897 INFO  L130     BoogieDeclarations]: Found specification of procedure firm_set_break
[2020-10-28 21:52:43,897 INFO  L130     BoogieDeclarations]: Found specification of procedure firm_purge
[2020-10-28 21:52:43,900 INFO  L130     BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts
[2020-10-28 21:52:43,900 INFO  L130     BoogieDeclarations]: Found specification of procedure firm_report_tx_done
[2020-10-28 21:52:43,900 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2020-10-28 21:52:43,900 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2020-10-28 21:52:43,901 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_init
[2020-10-28 21:52:43,901 INFO  L130     BoogieDeclarations]: Found specification of procedure whiteheat_exit
[2020-10-28 21:52:43,901 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2020-10-28 21:52:43,901 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_return_value
[2020-10-28 21:52:43,901 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2020-10-28 21:52:43,901 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-28 21:52:43,901 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-10-28 21:52:43,901 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_blast_assert
[2020-10-28 21:52:43,902 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer
[2020-10-28 21:52:43,902 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_assume_stop
[2020-10-28 21:52:43,902 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2020-10-28 21:52:43,902 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-10-28 21:52:43,902 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-10-28 21:52:43,902 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-10-28 21:52:43,902 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2020-10-28 21:52:43,902 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2020-10-28 21:52:43,902 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2020-10-28 21:52:43,903 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-10-28 21:52:43,903 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-28 21:52:43,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-28 21:52:43,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-10-28 21:52:43,903 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-28 21:52:43,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2020-10-28 21:52:43,903 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2020-10-28 21:52:43,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2020-10-28 21:52:43,903 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2020-10-28 21:52:45,433 WARN  L798   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-10-28 21:52:45,456 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false;
[2020-10-28 21:52:45,456 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false;
[2020-10-28 21:52:45,467 WARN  L798   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-10-28 21:52:45,810 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false;
[2020-10-28 21:52:45,810 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false;
[2020-10-28 21:52:46,446 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true;
[2020-10-28 21:52:54,970 WARN  L798   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-10-28 21:52:55,047 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false;
[2020-10-28 21:52:55,048 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false;
[2020-10-28 21:52:55,343 WARN  L798   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-10-28 21:52:55,529 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false;
[2020-10-28 21:52:55,529 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false;
[2020-10-28 21:52:56,011 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-28 21:52:56,011 INFO  L298             CfgBuilder]: Removed 104 assume(true) statements.
[2020-10-28 21:52:56,015 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:52:56 BoogieIcfgContainer
[2020-10-28 21:52:56,016 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-28 21:52:56,018 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-28 21:52:56,018 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-28 21:52:56,022 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-28 21:52:56,022 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:52:40" (1/3) ...
[2020-10-28 21:52:56,023 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318ef815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:52:56, skipping insertion in model container
[2020-10-28 21:52:56,023 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:43" (2/3) ...
[2020-10-28 21:52:56,023 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318ef815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:52:56, skipping insertion in model container
[2020-10-28 21:52:56,024 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:52:56" (3/3) ...
[2020-10-28 21:52:56,025 INFO  L111   eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i
[2020-10-28 21:52:56,037 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-28 21:52:56,043 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-28 21:52:56,057 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-10-28 21:52:56,093 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-28 21:52:56,094 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-28 21:52:56,094 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-28 21:52:56,094 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-28 21:52:56,094 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-28 21:52:56,094 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-28 21:52:56,094 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-28 21:52:56,094 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-28 21:52:56,142 INFO  L276                IsEmpty]: Start isEmpty. Operand 1383 states.
[2020-10-28 21:52:56,148 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-10-28 21:52:56,149 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-28 21:52:56,149 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-28 21:52:56,150 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-28 21:52:56,156 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-28 21:52:56,156 INFO  L82        PathProgramCache]: Analyzing trace with hash -1523041211, now seen corresponding path program 1 times
[2020-10-28 21:52:56,166 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-28 21:52:56,167 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827271334]
[2020-10-28 21:52:56,167 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-28 21:52:56,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:52:57,151 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:53:03,725 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-28 21:53:03,725 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 46
[2020-10-28 21:53:03,725 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-28 21:53:03,725 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6811
[2020-10-28 21:53:03,727 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-10-28 21:53:03,728 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-10-28 21:53:03,728 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-10-28 21:53:03,728 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-10-28 21:53:03,728 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 33
[2020-10-28 21:53:03,728 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-10-28 21:53:15,064 WARN  L193               SmtUtils]: Spent 10.94 s on a formula simplification that was a NOOP. DAG size: 1357
[2020-10-28 21:53:15,069 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-28 21:53:15,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:53:15,421 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:53:19,342 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-28 21:53:19,342 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-28 21:53:19,342 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-28 21:53:19,342 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4085
[2020-10-28 21:53:19,343 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-10-28 21:53:19,343 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-10-28 21:53:19,343 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-28 21:53:19,343 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-28 21:53:19,343 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-10-28 21:53:19,344 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-28 21:53:19,529 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-28 21:53:19,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:53:19,540 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:53:19,546 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-28 21:53:19,546 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 7
[2020-10-28 21:53:19,546 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-28 21:53:19,546 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-10-28 21:53:19,547 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-10-28 21:53:19,547 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-10-28 21:53:19,547 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-28 21:53:19,547 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-28 21:53:19,547 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-10-28 21:53:19,547 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-28 21:53:19,554 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-28 21:53:19,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:53:19,572 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:53:19,609 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-28 21:53:19,609 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-10-28 21:53:19,609 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-28 21:53:19,609 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 44
[2020-10-28 21:53:19,610 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-10-28 21:53:19,610 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-10-28 21:53:19,610 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-28 21:53:19,610 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-28 21:53:19,611 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-10-28 21:53:19,611 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-10-28 21:53:19,621 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-28 21:53:19,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:53:19,629 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:53:19,632 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-28 21:53:19,633 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-28 21:53:19,633 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-28 21:53:19,633 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-10-28 21:53:19,633 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-10-28 21:53:19,634 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-10-28 21:53:19,634 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-10-28 21:53:19,634 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-28 21:53:19,634 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-10-28 21:53:19,634 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-28 21:53:19,674 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-28 21:53:19,675 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827271334]
[2020-10-28 21:53:19,678 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-28 21:53:19,678 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-28 21:53:19,679 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641192107]
[2020-10-28 21:53:19,683 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-28 21:53:19,684 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-28 21:53:19,710 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-28 21:53:19,712 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-28 21:53:19,714 INFO  L87              Difference]: Start difference. First operand 1383 states. Second operand 4 states.
[2020-10-28 21:53:33,419 WARN  L193               SmtUtils]: Spent 11.18 s on a formula simplification that was a NOOP. DAG size: 1359
[2020-10-28 21:55:02,006 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-28 21:55:02,006 INFO  L93              Difference]: Finished difference Result 4064 states and 6059 transitions.
[2020-10-28 21:55:02,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-28 21:55:02,009 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 28
[2020-10-28 21:55:02,009 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-28 21:55:02,062 INFO  L225             Difference]: With dead ends: 4064
[2020-10-28 21:55:02,063 INFO  L226             Difference]: Without dead ends: 2760
[2020-10-28 21:55:02,086 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-28 21:55:02,117 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2760 states.
[2020-10-28 21:55:03,978 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 2592.
[2020-10-28 21:55:03,979 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2592 states.
[2020-10-28 21:55:03,999 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 3367 transitions.
[2020-10-28 21:55:04,002 INFO  L78                 Accepts]: Start accepts. Automaton has 2592 states and 3367 transitions. Word has length 28
[2020-10-28 21:55:04,003 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-28 21:55:04,003 INFO  L481      AbstractCegarLoop]: Abstraction has 2592 states and 3367 transitions.
[2020-10-28 21:55:04,003 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-28 21:55:04,003 INFO  L276                IsEmpty]: Start isEmpty. Operand 2592 states and 3367 transitions.
[2020-10-28 21:55:04,005 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2020-10-28 21:55:04,005 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-28 21:55:04,006 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-28 21:55:04,006 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-28 21:55:04,006 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-28 21:55:04,007 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-28 21:55:04,007 INFO  L82        PathProgramCache]: Analyzing trace with hash -867616853, now seen corresponding path program 1 times
[2020-10-28 21:55:04,007 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-28 21:55:04,007 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457076953]
[2020-10-28 21:55:04,008 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-28 21:55:04,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:55:04,365 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:55:10,393 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-28 21:55:10,394 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 47
[2020-10-28 21:55:10,394 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-28 21:55:10,394 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6181
[2020-10-28 21:55:10,394 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-10-28 21:55:10,394 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-10-28 21:55:10,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-28 21:55:10,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-10-28 21:55:10,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 34
[2020-10-28 21:55:10,395 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-10-28 21:55:21,250 WARN  L193               SmtUtils]: Spent 10.61 s on a formula simplification that was a NOOP. DAG size: 1357
[2020-10-28 21:55:21,253 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-28 21:55:21,372 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:55:21,470 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:55:25,021 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-28 21:55:25,022 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-28 21:55:25,022 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-28 21:55:25,028 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3647
[2020-10-28 21:55:25,028 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-10-28 21:55:25,028 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-10-28 21:55:25,029 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-28 21:55:25,029 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-28 21:55:25,029 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-10-28 21:55:25,029 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-10-28 21:55:25,174 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-28 21:55:25,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:55:25,182 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:55:25,186 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-28 21:55:25,186 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 7
[2020-10-28 21:55:25,186 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-28 21:55:25,186 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-10-28 21:55:25,186 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-10-28 21:55:25,187 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-10-28 21:55:25,187 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-28 21:55:25,187 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-28 21:55:25,188 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-10-28 21:55:25,188 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-10-28 21:55:25,194 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-28 21:55:25,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:55:25,205 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:55:25,223 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-28 21:55:25,223 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-10-28 21:55:25,224 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-28 21:55:25,224 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 22
[2020-10-28 21:55:25,224 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-10-28 21:55:25,224 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-10-28 21:55:25,224 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-10-28 21:55:25,225 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-28 21:55:25,225 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-10-28 21:55:25,225 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-10-28 21:55:25,249 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-28 21:55:25,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:55:25,255 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:55:25,258 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-10-28 21:55:25,258 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-10-28 21:55:25,258 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-10-28 21:55:25,258 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-10-28 21:55:25,259 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-10-28 21:55:25,259 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-10-28 21:55:25,259 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-10-28 21:55:25,259 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-10-28 21:55:25,259 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-10-28 21:55:25,260 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-10-28 21:55:25,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-28 21:55:25,289 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457076953]
[2020-10-28 21:55:25,289 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-28 21:55:25,290 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-28 21:55:25,290 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351757809]
[2020-10-28 21:55:25,292 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-28 21:55:25,292 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-28 21:55:25,292 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-28 21:55:25,294 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-28 21:55:25,294 INFO  L87              Difference]: Start difference. First operand 2592 states and 3367 transitions. Second operand 4 states.
[2020-10-28 21:55:38,963 WARN  L193               SmtUtils]: Spent 11.24 s on a formula simplification that was a NOOP. DAG size: 1359
[2020-10-28 21:56:24,750 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-28 21:56:24,750 INFO  L93              Difference]: Finished difference Result 2759 states and 3607 transitions.
[2020-10-28 21:56:24,753 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-28 21:56:24,753 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 29
[2020-10-28 21:56:24,754 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-28 21:56:24,773 INFO  L225             Difference]: With dead ends: 2759
[2020-10-28 21:56:24,773 INFO  L226             Difference]: Without dead ends: 2742
[2020-10-28 21:56:24,775 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-28 21:56:24,780 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2742 states.
[2020-10-28 21:56:26,470 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 2579.
[2020-10-28 21:56:26,471 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2579 states.
[2020-10-28 21:56:26,485 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2579 states and 3347 transitions.
[2020-10-28 21:56:26,486 INFO  L78                 Accepts]: Start accepts. Automaton has 2579 states and 3347 transitions. Word has length 29
[2020-10-28 21:56:26,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-28 21:56:26,487 INFO  L481      AbstractCegarLoop]: Abstraction has 2579 states and 3347 transitions.
[2020-10-28 21:56:26,487 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-28 21:56:26,487 INFO  L276                IsEmpty]: Start isEmpty. Operand 2579 states and 3347 transitions.
[2020-10-28 21:56:26,502 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2020-10-28 21:56:26,502 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-28 21:56:26,503 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 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]
[2020-10-28 21:56:26,503 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-28 21:56:26,503 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-28 21:56:26,504 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-28 21:56:26,504 INFO  L82        PathProgramCache]: Analyzing trace with hash 1530518892, now seen corresponding path program 1 times
[2020-10-28 21:56:26,504 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-28 21:56:26,504 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052466013]
[2020-10-28 21:56:26,505 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-28 21:56:26,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-28 21:56:27,061 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-10-28 21:56:27,330 FATAL L256   erpolLogProxyWrapper]: Now shrinking...