/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 'cvc5 --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-b75d321-m
[2024-11-05 00:30:31,179 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 00:30:31,241 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2024-11-05 00:30:31,246 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 00:30:31,247 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 00:30:31,267 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 00:30:31,268 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 00:30:31,268 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 00:30:31,269 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 00:30:31,269 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 00:30:31,269 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 00:30:31,270 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 00:30:31,270 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 00:30:31,271 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 00:30:31,271 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 00:30:31,271 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 00:30:31,272 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 00:30:31,272 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 00:30:31,272 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 00:30:31,273 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 00:30:31,273 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 00:30:31,278 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 00:30:31,278 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 00:30:31,278 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 00:30:31,278 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 00:30:31,279 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 00:30:31,279 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 00:30:31,279 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 00:30:31,279 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 00:30:31,280 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 00:30:31,280 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 00:30:31,280 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 00:30:31,280 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 00:30:31,281 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 00:30:31,281 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 00:30:31,281 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 00:30:31,281 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2024-11-05 00:30:31,281 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 00:30:31,282 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 00:30:31,282 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 00:30:31,282 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 00:30:31,285 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-05 00:30:31,559 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 00:30:31,594 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 00:30:31,598 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 00:30:31,599 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 00:30:31,600 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 00:30:31,601 INFO  L431   ainManager$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
[2024-11-05 00:30:33,133 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 00:30:33,647 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 00:30:33,648 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
[2024-11-05 00:30:33,687 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d42d5db42/8eb61e0c8e4f45298bb96aae2f72c535/FLAG82d707290
[2024-11-05 00:30:33,723 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d42d5db42/8eb61e0c8e4f45298bb96aae2f72c535
[2024-11-05 00:30:33,725 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 00:30:33,726 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 00:30:33,727 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 00:30:33,728 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 00:30:33,736 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 00:30:33,738 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 12:30:33" (1/1) ...
[2024-11-05 00:30:33,739 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6ff671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:33, skipping insertion in model container
[2024-11-05 00:30:33,739 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 12:30:33" (1/1) ...
[2024-11-05 00:30:33,844 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 00:30:34,900 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-05 00:30:34,910 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-05 00:30:34,911 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-05 00:30:34,911 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-05 00:30:34,912 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-05 00:30:34,912 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-05 00:30:34,912 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-05 00:30:34,913 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-05 00:30:34,951 WARN  L250   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]
[2024-11-05 00:30:35,329 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-05 00:30:35,331 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 00:30:35,456 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 00:30:35,626 WARN  L250   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]
[2024-11-05 00:30:35,696 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 00:30:35,788 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 00:30:35,788 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35 WrapperNode
[2024-11-05 00:30:35,789 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 00:30:35,791 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 00:30:35,792 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 00:30:35,792 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 00:30:35,798 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:35,851 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:35,923 INFO  L138                Inliner]: procedures = 127, calls = 555, calls flagged for inlining = 30, calls inlined = 25, statements flattened = 1085
[2024-11-05 00:30:35,923 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 00:30:35,924 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 00:30:35,924 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 00:30:35,924 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 00:30:35,937 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:35,937 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:35,955 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:36,023 INFO  L175           MemorySlicer]: Split 409 memory accesses to 13 slices as follows [2, 188, 3, 3, 21, 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, 2, 21, 21, 21, 21, 21, 21, 21, 21, 45].
[2024-11-05 00:30:36,023 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:36,024 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:36,072 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:36,079 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:36,093 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:36,101 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:36,117 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 00:30:36,119 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 00:30:36,119 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 00:30:36,119 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 00:30:36,120 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (1/1) ...
[2024-11-05 00:30:36,133 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 00:30:36,149 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 00:30:36,173 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)
[2024-11-05 00:30:36,177 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
[2024-11-05 00:30:36,206 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-05 00:30:36,206 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-05 00:30:36,206 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-05 00:30:36,206 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-05 00:30:36,206 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-05 00:30:36,207 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-05 00:30:36,207 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-05 00:30:36,207 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-05 00:30:36,207 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-05 00:30:36,207 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-05 00:30:36,208 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-05 00:30:36,208 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11
[2024-11-05 00:30:36,208 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9
[2024-11-05 00:30:36,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10
[2024-11-05 00:30:36,210 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11
[2024-11-05 00:30:36,210 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12
[2024-11-05 00:30:36,210 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2024-11-05 00:30:36,210 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2024-11-05 00:30:36,210 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2024-11-05 00:30:36,210 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2024-11-05 00:30:36,210 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative
[2024-11-05 00:30:36,210 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative
[2024-11-05 00:30:36,210 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_disconnect
[2024-11-05 00:30:36,210 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_disconnect
[2024-11-05 00:30:36,210 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2024-11-05 00:30:36,211 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2024-11-05 00:30:36,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0
[2024-11-05 00:30:36,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1
[2024-11-05 00:30:36,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2
[2024-11-05 00:30:36,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3
[2024-11-05 00:30:36,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4
[2024-11-05 00:30:36,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5
[2024-11-05 00:30:36,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6
[2024-11-05 00:30:36,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7
[2024-11-05 00:30:36,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8
[2024-11-05 00:30:36,212 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9
[2024-11-05 00:30:36,212 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10
[2024-11-05 00:30:36,212 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11
[2024-11-05 00:30:36,212 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12
[2024-11-05 00:30:36,212 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0
[2024-11-05 00:30:36,213 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1
[2024-11-05 00:30:36,214 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2
[2024-11-05 00:30:36,214 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3
[2024-11-05 00:30:36,214 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4
[2024-11-05 00:30:36,214 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5
[2024-11-05 00:30:36,214 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6
[2024-11-05 00:30:36,214 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7
[2024-11-05 00:30:36,214 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8
[2024-11-05 00:30:36,215 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9
[2024-11-05 00:30:36,216 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10
[2024-11-05 00:30:36,216 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11
[2024-11-05 00:30:36,217 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12
[2024-11-05 00:30:36,217 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0
[2024-11-05 00:30:36,217 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1
[2024-11-05 00:30:36,217 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2
[2024-11-05 00:30:36,217 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3
[2024-11-05 00:30:36,217 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4
[2024-11-05 00:30:36,217 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5
[2024-11-05 00:30:36,217 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4
[2024-11-05 00:30:36,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5
[2024-11-05 00:30:36,219 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6
[2024-11-05 00:30:36,219 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7
[2024-11-05 00:30:36,219 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8
[2024-11-05 00:30:36,219 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9
[2024-11-05 00:30:36,219 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10
[2024-11-05 00:30:36,219 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11
[2024-11-05 00:30:36,220 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12
[2024-11-05 00:30:36,220 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_init_zalloc
[2024-11-05 00:30:36,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc
[2024-11-05 00:30:36,220 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 00:30:36,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 00:30:36,220 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-05 00:30:36,220 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 00:30:36,220 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev
[2024-11-05 00:30:36,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev
[2024-11-05 00:30:36,221 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2024-11-05 00:30:36,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2024-11-05 00:30:36,221 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-05 00:30:36,221 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-05 00:30:36,221 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-05 00:30:36,221 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-05 00:30:36,222 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-05 00:30:36,222 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-05 00:30:36,222 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-05 00:30:36,222 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-05 00:30:36,222 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-11-05 00:30:36,222 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#8
[2024-11-05 00:30:36,223 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#9
[2024-11-05 00:30:36,223 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#10
[2024-11-05 00:30:36,223 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#11
[2024-11-05 00:30:36,223 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#12
[2024-11-05 00:30:36,223 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-05 00:30:36,223 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-05 00:30:36,224 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11
[2024-11-05 00:30:36,225 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12
[2024-11-05 00:30:36,225 INFO  L130     BoogieDeclarations]: Found specification of procedure always_connected
[2024-11-05 00:30:36,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure always_connected
[2024-11-05 00:30:36,225 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 00:30:36,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 00:30:36,652 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 00:30:36,655 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 00:30:36,688 INFO  L735   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2024-11-05 00:30:52,492 INFO  L?                        ?]: Removed 200 outVars from TransFormulas that were not future-live.
[2024-11-05 00:30:52,492 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 00:30:52,519 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 00:30:52,520 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-05 00:30:52,520 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 12:30:52 BoogieIcfgContainer
[2024-11-05 00:30:52,520 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 00:30:52,523 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 00:30:52,523 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 00:30:52,527 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 00:30:52,527 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 12:30:33" (1/3) ...
[2024-11-05 00:30:52,528 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1156e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 12:30:52, skipping insertion in model container
[2024-11-05 00:30:52,529 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:30:35" (2/3) ...
[2024-11-05 00:30:52,529 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1156e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 12:30:52, skipping insertion in model container
[2024-11-05 00:30:52,529 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 12:30:52" (3/3) ...
[2024-11-05 00:30:52,531 INFO  L112   eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i
[2024-11-05 00:30:52,556 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 00:30:52,557 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 00:30:52,658 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 00:30:52,667 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;@478864bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 00:30:52,667 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 00:30:52,673 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)
[2024-11-05 00:30:52,691 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2024-11-05 00:30:52,692 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 00:30:52,693 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]
[2024-11-05 00:30:52,695 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 00:30:52,700 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 00:30:52,700 INFO  L85        PathProgramCache]: Analyzing trace with hash -1979045930, now seen corresponding path program 1 times
[2024-11-05 00:30:52,711 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 00:30:52,712 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160365025]
[2024-11-05 00:30:52,712 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 00:30:52,717 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-05 00:30:52,718 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-05 00:30:52,736 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-05 00:30:52,743 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-05 00:31:22,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 00:31:22,374 INFO  L255         TraceCheckSpWp]: Trace formula consists of 3089 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-05 00:31:22,388 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 00:31:22,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-05 00:31:22,874 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 00:31:28,408 INFO  L134       CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-05 00:31:28,409 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 00:31:28,409 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160365025]
[2024-11-05 00:31:28,409 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [160365025] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-05 00:31:28,410 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-05 00:31:28,410 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-05 00:31:28,411 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801320061]
[2024-11-05 00:31:28,412 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-05 00:31:28,417 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-05 00:31:28,417 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 00:31:28,440 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-05 00:31:28,441 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-05 00:31:28,443 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)
[2024-11-05 00:31:29,053 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 00:31:29,054 INFO  L93              Difference]: Finished difference Result 492 states and 720 transitions.
[2024-11-05 00:31:29,055 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-05 00:31:29,057 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
[2024-11-05 00:31:29,057 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 00:31:29,072 INFO  L225             Difference]: With dead ends: 492
[2024-11-05 00:31:29,072 INFO  L226             Difference]: Without dead ends: 283
[2024-11-05 00:31:29,080 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
[2024-11-05 00:31:29,087 INFO  L432           NwaCegarLoop]: 254 mSDtfsCounter, 199 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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
[2024-11-05 00:31:29,089 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]
[2024-11-05 00:31:29,109 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 283 states.
[2024-11-05 00:31:29,191 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 269.
[2024-11-05 00:31:29,193 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)
[2024-11-05 00:31:29,196 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 376 transitions.
[2024-11-05 00:31:29,199 INFO  L78                 Accepts]: Start accepts. Automaton has 269 states and 376 transitions. Word has length 118
[2024-11-05 00:31:29,199 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 00:31:29,199 INFO  L471      AbstractCegarLoop]: Abstraction has 269 states and 376 transitions.
[2024-11-05 00:31:29,200 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)
[2024-11-05 00:31:29,200 INFO  L276                IsEmpty]: Start isEmpty. Operand 269 states and 376 transitions.
[2024-11-05 00:31:29,203 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2024-11-05 00:31:29,203 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 00:31:29,203 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]
[2024-11-05 00:31:29,211 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0
[2024-11-05 00:31:29,407 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-05 00:31:29,408 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 00:31:29,409 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 00:31:29,410 INFO  L85        PathProgramCache]: Analyzing trace with hash -1151509421, now seen corresponding path program 1 times
[2024-11-05 00:31:29,410 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 00:31:29,410 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321310846]
[2024-11-05 00:31:29,410 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 00:31:29,410 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-05 00:31:29,411 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-05 00:31:29,413 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-05 00:31:29,415 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-05 00:31:59,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 00:31:59,255 INFO  L255         TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-05 00:31:59,266 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 00:32:09,165 INFO  L134       CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-05 00:32:09,166 INFO  L311         TraceCheckSpWp]: Computing backward predicates...