/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/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i


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


This is Ultimate 0.2.5-dev-356b6ba-m
[2024-11-01 07:03:11,364 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-01 07:03:11,473 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2024-11-01 07:03:11,481 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-01 07:03:11,482 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-01 07:03:11,517 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-01 07:03:11,517 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-01 07:03:11,518 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-01 07:03:11,518 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-01 07:03:11,519 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-01 07:03:11,520 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-01 07:03:11,520 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-01 07:03:11,521 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-01 07:03:11,525 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-01 07:03:11,526 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-01 07:03:11,526 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-01 07:03:11,527 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-01 07:03:11,527 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-01 07:03:11,527 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-01 07:03:11,527 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-01 07:03:11,528 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-01 07:03:11,528 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-01 07:03:11,528 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-01 07:03:11,529 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-01 07:03:11,529 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-01 07:03:11,529 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-01 07:03:11,529 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-01 07:03:11,530 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-01 07:03:11,530 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-01 07:03:11,532 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-01 07:03:11,532 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-01 07:03:11,533 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-01 07:03:11,533 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-01 07:03:11,533 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-01 07:03:11,533 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-01 07:03:11,533 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-01 07:03:11,534 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2024-11-01 07:03:11,534 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-01 07:03:11,534 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-01 07:03:11,535 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-01 07:03:11,535 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-01 07:03:11,535 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2024-11-01 07:03:11,536 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt
[2024-11-01 07:03:11,889 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-01 07:03:11,911 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-01 07:03:11,914 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-01 07:03:11,916 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-01 07:03:11,916 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-01 07:03:11,918 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i
[2024-11-01 07:03:13,475 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-01 07:03:13,984 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-01 07:03:13,985 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i
[2024-11-01 07:03:14,032 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d778b4a74/93fe725f42684476a893ad6743e46052/FLAG71976feec
[2024-11-01 07:03:14,057 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d778b4a74/93fe725f42684476a893ad6743e46052
[2024-11-01 07:03:14,062 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-01 07:03:14,063 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-01 07:03:14,066 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-01 07:03:14,067 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-01 07:03:14,072 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-01 07:03:14,073 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:03:14" (1/1) ...
[2024-11-01 07:03:14,073 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700e1632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:14, skipping insertion in model container
[2024-11-01 07:03:14,074 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:03:14" (1/1) ...
[2024-11-01 07:03:14,211 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-01 07:03:15,131 WARN  L1053              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-01 07:03:15,138 WARN  L1053              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-01 07:03:15,139 WARN  L1053              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-01 07:03:15,139 WARN  L1053              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-01 07:03:15,140 WARN  L1053              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-01 07:03:15,141 WARN  L1053              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-01 07:03:15,141 WARN  L1053              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-01 07:03:15,141 WARN  L1053              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-01 07:03:15,166 WARN  L251   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265]
[2024-11-01 07:03:15,472 WARN  L1053              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-01 07:03:15,473 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-01 07:03:15,524 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-01 07:03:15,792 WARN  L251   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265]
[2024-11-01 07:03:15,822 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-01 07:03:15,907 INFO  L204         MainTranslator]: Completed translation
[2024-11-01 07:03:15,909 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15 WrapperNode
[2024-11-01 07:03:15,909 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-01 07:03:15,910 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-01 07:03:15,910 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-01 07:03:15,911 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-01 07:03:15,917 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:15,968 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,037 INFO  L138                Inliner]: procedures = 127, calls = 555, calls flagged for inlining = 30, calls inlined = 25, statements flattened = 1085
[2024-11-01 07:03:16,038 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-01 07:03:16,042 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-01 07:03:16,042 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-01 07:03:16,042 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-01 07:03:16,055 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,056 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,076 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,140 INFO  L175           MemorySlicer]: Split 409 memory accesses to 13 slices as follows [2, 188, 3, 21, 3, 21, 21, 21, 21, 21, 21, 21, 45]. 46 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 399 writes are split as follows [0, 183, 1, 21, 2, 21, 21, 21, 21, 21, 21, 21, 45].
[2024-11-01 07:03:16,141 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,141 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,234 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,240 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,251 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,259 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,280 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-01 07:03:16,281 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-01 07:03:16,281 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-01 07:03:16,281 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-01 07:03:16,285 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (1/1) ...
[2024-11-01 07:03:16,291 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-01 07:03:16,303 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-01 07:03:16,318 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-01 07:03:16,321 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-01 07:03:16,348 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-01 07:03:16,348 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-01 07:03:16,349 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-01 07:03:16,349 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-01 07:03:16,349 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-01 07:03:16,349 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-01 07:03:16,349 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-01 07:03:16,349 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-01 07:03:16,349 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-01 07:03:16,350 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-01 07:03:16,350 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-01 07:03:16,350 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11
[2024-11-01 07:03:16,350 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12
[2024-11-01 07:03:16,351 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-11-01 07:03:16,351 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-11-01 07:03:16,351 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-11-01 07:03:16,351 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-11-01 07:03:16,351 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-11-01 07:03:16,352 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5
[2024-11-01 07:03:16,352 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6
[2024-11-01 07:03:16,353 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7
[2024-11-01 07:03:16,353 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8
[2024-11-01 07:03:16,353 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9
[2024-11-01 07:03:16,353 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10
[2024-11-01 07:03:16,353 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11
[2024-11-01 07:03:16,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12
[2024-11-01 07:03:16,354 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2024-11-01 07:03:16,354 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2024-11-01 07:03:16,354 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2024-11-01 07:03:16,354 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2024-11-01 07:03:16,354 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative
[2024-11-01 07:03:16,354 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative
[2024-11-01 07:03:16,354 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_disconnect
[2024-11-01 07:03:16,354 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_disconnect
[2024-11-01 07:03:16,354 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2024-11-01 07:03:16,354 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2024-11-01 07:03:16,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0
[2024-11-01 07:03:16,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1
[2024-11-01 07:03:16,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2
[2024-11-01 07:03:16,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3
[2024-11-01 07:03:16,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4
[2024-11-01 07:03:16,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5
[2024-11-01 07:03:16,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6
[2024-11-01 07:03:16,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7
[2024-11-01 07:03:16,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8
[2024-11-01 07:03:16,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9
[2024-11-01 07:03:16,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10
[2024-11-01 07:03:16,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11
[2024-11-01 07:03:16,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12
[2024-11-01 07:03:16,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0
[2024-11-01 07:03:16,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1
[2024-11-01 07:03:16,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2
[2024-11-01 07:03:16,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3
[2024-11-01 07:03:16,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4
[2024-11-01 07:03:16,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5
[2024-11-01 07:03:16,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6
[2024-11-01 07:03:16,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7
[2024-11-01 07:03:16,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8
[2024-11-01 07:03:16,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8
[2024-11-01 07:03:16,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8
[2024-11-01 07:03:16,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9
[2024-11-01 07:03:16,360 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10
[2024-11-01 07:03:16,360 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11
[2024-11-01 07:03:16,360 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12
[2024-11-01 07:03:16,360 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_init_zalloc
[2024-11-01 07:03:16,360 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc
[2024-11-01 07:03:16,360 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-01 07:03:16,360 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-01 07:03:16,360 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-01 07:03:16,360 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-01 07:03:16,360 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev
[2024-11-01 07:03:16,360 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev
[2024-11-01 07:03:16,360 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2024-11-01 07:03:16,361 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2024-11-01 07:03:16,361 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-01 07:03:16,361 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-01 07:03:16,361 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-01 07:03:16,361 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-01 07:03:16,361 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-01 07:03:16,361 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-01 07:03:16,362 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-01 07:03:16,362 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-01 07:03:16,362 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-11-01 07:03:16,363 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#8
[2024-11-01 07:03:16,363 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#9
[2024-11-01 07:03:16,363 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#10
[2024-11-01 07:03:16,363 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#11
[2024-11-01 07:03:16,363 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#12
[2024-11-01 07:03:16,363 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-01 07:03:16,363 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12
[2024-11-01 07:03:16,364 INFO  L130     BoogieDeclarations]: Found specification of procedure always_connected
[2024-11-01 07:03:16,365 INFO  L138     BoogieDeclarations]: Found implementation of procedure always_connected
[2024-11-01 07:03:16,365 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-01 07:03:16,365 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-01 07:03:16,768 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-01 07:03:16,771 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-01 07:03:16,795 INFO  L735   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2024-11-01 07:03:31,557 INFO  L?                        ?]: Removed 200 outVars from TransFormulas that were not future-live.
[2024-11-01 07:03:31,558 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-01 07:03:31,579 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-01 07:03:31,580 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-01 07:03:31,580 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:03:31 BoogieIcfgContainer
[2024-11-01 07:03:31,580 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-01 07:03:31,583 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-01 07:03:31,583 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-01 07:03:31,586 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-01 07:03:31,586 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 07:03:14" (1/3) ...
[2024-11-01 07:03:31,587 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c44e339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:03:31, skipping insertion in model container
[2024-11-01 07:03:31,587 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:03:15" (2/3) ...
[2024-11-01 07:03:31,588 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c44e339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:03:31, skipping insertion in model container
[2024-11-01 07:03:31,588 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:03:31" (3/3) ...
[2024-11-01 07:03:31,589 INFO  L112   eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i
[2024-11-01 07:03:31,608 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-01 07:03:31,608 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-01 07:03:31,692 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-01 07:03:31,698 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2036661b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-01 07:03:31,699 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-01 07:03:31,703 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 186 states, 141 states have (on average 1.4539007092198581) internal successors, (205), 157 states have internal predecessors, (205), 34 states have call successors, (34), 10 states have call predecessors, (34), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-01 07:03:31,718 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2024-11-01 07:03:31,718 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-01 07:03:31,719 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-01 07:03:31,720 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-01 07:03:31,724 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-01 07:03:31,724 INFO  L85        PathProgramCache]: Analyzing trace with hash -1979045930, now seen corresponding path program 1 times
[2024-11-01 07:03:31,731 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-01 07:03:31,731 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381340929]
[2024-11-01 07:03:31,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-01 07:03:31,733 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-01 07:03:31,733 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-01 07:03:31,885 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-01 07:03:31,886 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-01 07:04:00,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-01 07:04:01,025 INFO  L255         TraceCheckSpWp]: Trace formula consists of 3089 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-01 07:04:01,034 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-01 07:04:01,485 INFO  L134       CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-01 07:04:01,486 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-01 07:04:06,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-01 07:04:06,054 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-01 07:04:06,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381340929]
[2024-11-01 07:04:06,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1381340929] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-01 07:04:06,055 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-01 07:04:06,055 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-01 07:04:06,057 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025241540]
[2024-11-01 07:04:06,057 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-01 07:04:06,062 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-01 07:04:06,062 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-01 07:04:06,081 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-01 07:04:06,082 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-01 07:04:06,084 INFO  L87              Difference]: Start difference. First operand  has 186 states, 141 states have (on average 1.4539007092198581) internal successors, (205), 157 states have internal predecessors, (205), 34 states have call successors, (34), 10 states have call predecessors, (34), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand  has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-01 07:04:06,635 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-01 07:04:06,635 INFO  L93              Difference]: Finished difference Result 492 states and 720 transitions.
[2024-11-01 07:04:06,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-01 07:04:06,638 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 118
[2024-11-01 07:04:06,639 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-01 07:04:06,648 INFO  L225             Difference]: With dead ends: 492
[2024-11-01 07:04:06,648 INFO  L226             Difference]: Without dead ends: 283
[2024-11-01 07:04:06,652 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-01 07:04:06,655 INFO  L432           NwaCegarLoop]: 254 mSDtfsCounter, 199 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-01 07:04:06,656 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 478 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-01 07:04:06,668 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 283 states.
[2024-11-01 07:04:06,701 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 269.
[2024-11-01 07:04:06,703 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 269 states, 221 states have (on average 1.420814479638009) internal successors, (314), 226 states have internal predecessors, (314), 34 states have call successors, (34), 14 states have call predecessors, (34), 13 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-01 07:04:06,706 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 376 transitions.
[2024-11-01 07:04:06,709 INFO  L78                 Accepts]: Start accepts. Automaton has 269 states and 376 transitions. Word has length 118
[2024-11-01 07:04:06,709 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-01 07:04:06,710 INFO  L471      AbstractCegarLoop]: Abstraction has 269 states and 376 transitions.
[2024-11-01 07:04:06,710 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-01 07:04:06,710 INFO  L276                IsEmpty]: Start isEmpty. Operand 269 states and 376 transitions.
[2024-11-01 07:04:06,714 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2024-11-01 07:04:06,714 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-01 07:04:06,715 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-01 07:04:06,735 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-01 07:04:06,916 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-01 07:04:06,917 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-01 07:04:06,918 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-01 07:04:06,918 INFO  L85        PathProgramCache]: Analyzing trace with hash -1151509421, now seen corresponding path program 1 times
[2024-11-01 07:04:06,918 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-01 07:04:06,918 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932664457]
[2024-11-01 07:04:06,918 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-01 07:04:06,919 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-01 07:04:06,919 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-01 07:04:06,920 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-01 07:04:06,921 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-01 07:04:36,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-01 07:04:36,471 INFO  L255         TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-01 07:04:36,481 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-01 07:04:45,553 INFO  L134       CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-01 07:04:45,553 INFO  L311         TraceCheckSpWp]: Computing backward predicates...