./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/image_filter.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 48c9605d
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/image_filter.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7739edac33edee82d3c388da137105adbe48f8f59b0d45074d101ea06edef10e
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-48c9605-m
[2025-02-07 18:27:40,040 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-02-07 18:27:40,090 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2025-02-07 18:27:40,093 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-02-07 18:27:40,094 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-02-07 18:27:40,106 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-02-07 18:27:40,107 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-02-07 18:27:40,107 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-02-07 18:27:40,107 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-02-07 18:27:40,107 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-02-07 18:27:40,107 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-02-07 18:27:40,107 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-02-07 18:27:40,108 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-02-07 18:27:40,108 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-02-07 18:27:40,108 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-02-07 18:27:40,108 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-02-07 18:27:40,108 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-02-07 18:27:40,108 INFO  L153        SettingsManager]:  * sizeof long=4
[2025-02-07 18:27:40,108 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-02-07 18:27:40,108 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2025-02-07 18:27:40,108 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * sizeof long double=12
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-02-07 18:27:40,109 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-02-07 18:27:40,109 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-07 18:27:40,110 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-02-07 18:27:40,110 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-02-07 18:27:40,110 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-02-07 18:27:40,110 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-02-07 18:27:40,110 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-02-07 18:27:40,110 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-02-07 18:27:40,110 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-02-07 18:27:40,110 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-02-07 18:27:40,110 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-02-07 18:27:40,110 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-02-07 18:27:40,110 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7739edac33edee82d3c388da137105adbe48f8f59b0d45074d101ea06edef10e
[2025-02-07 18:27:40,319 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-02-07 18:27:40,324 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-02-07 18:27:40,326 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-02-07 18:27:40,326 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-02-07 18:27:40,327 INFO  L274        PluginConnector]: CDTParser initialized
[2025-02-07 18:27:40,327 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/image_filter.c
[2025-02-07 18:27:41,506 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/640f890c5/4b72c24c84a84e71a5783fa1e9f33ae5/FLAG08e997f48
[2025-02-07 18:27:41,788 INFO  L384              CDTParser]: Found 1 translation units.
[2025-02-07 18:27:41,790 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-benchs/image_filter.c
[2025-02-07 18:27:41,798 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/640f890c5/4b72c24c84a84e71a5783fa1e9f33ae5/FLAG08e997f48
[2025-02-07 18:27:42,064 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/640f890c5/4b72c24c84a84e71a5783fa1e9f33ae5
[2025-02-07 18:27:42,069 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-02-07 18:27:42,070 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-02-07 18:27:42,071 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-02-07 18:27:42,071 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-02-07 18:27:42,074 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-02-07 18:27:42,075 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,075 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543f9edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42, skipping insertion in model container
[2025-02-07 18:27:42,075 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,089 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-02-07 18:27:42,186 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-benchs/image_filter.c[564,577]
[2025-02-07 18:27:42,245 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-07 18:27:42,256 INFO  L200         MainTranslator]: Completed pre-run
[2025-02-07 18:27:42,262 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-benchs/image_filter.c[564,577]
[2025-02-07 18:27:42,314 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-07 18:27:42,326 INFO  L204         MainTranslator]: Completed translation
[2025-02-07 18:27:42,327 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42 WrapperNode
[2025-02-07 18:27:42,327 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-02-07 18:27:42,328 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-02-07 18:27:42,328 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-02-07 18:27:42,328 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-02-07 18:27:42,332 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,344 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,381 INFO  L138                Inliner]: procedures = 21, calls = 695, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 565
[2025-02-07 18:27:42,382 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-02-07 18:27:42,382 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-02-07 18:27:42,382 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-02-07 18:27:42,382 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-02-07 18:27:42,389 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,390 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,398 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,435 INFO  L175           MemorySlicer]: Split 428 memory accesses to 39 slices as follows [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 19, 19, 19, 22, 19, 23, 23, 17, 19, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 3, 3, 3, 3, 3, 3, 3, 3]. 5 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 101 writes are split as follows [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 4, 4, 4, 6, 4, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1].
[2025-02-07 18:27:42,435 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,435 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,453 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,455 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,462 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,469 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,483 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-02-07 18:27:42,488 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-02-07 18:27:42,488 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-02-07 18:27:42,488 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-02-07 18:27:42,489 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (1/1) ...
[2025-02-07 18:27:42,496 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-07 18:27:42,516 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-07 18:27:42,526 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-02-07 18:27:42,531 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-02-07 18:27:42,546 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-02-07 18:27:42,547 INFO  L130     BoogieDeclarations]: Found specification of procedure sobel
[2025-02-07 18:27:42,547 INFO  L138     BoogieDeclarations]: Found implementation of procedure sobel
[2025-02-07 18:27:42,547 INFO  L130     BoogieDeclarations]: Found specification of procedure blur
[2025-02-07 18:27:42,547 INFO  L138     BoogieDeclarations]: Found implementation of procedure blur
[2025-02-07 18:27:42,547 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2025-02-07 18:27:42,547 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2025-02-07 18:27:42,547 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-02-07 18:27:42,547 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2025-02-07 18:27:42,547 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2025-02-07 18:27:42,547 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2025-02-07 18:27:42,547 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#4
[2025-02-07 18:27:42,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#5
[2025-02-07 18:27:42,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#6
[2025-02-07 18:27:42,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#7
[2025-02-07 18:27:42,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#8
[2025-02-07 18:27:42,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#9
[2025-02-07 18:27:42,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#10
[2025-02-07 18:27:42,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#11
[2025-02-07 18:27:42,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#12
[2025-02-07 18:27:42,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#13
[2025-02-07 18:27:42,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#14
[2025-02-07 18:27:42,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#15
[2025-02-07 18:27:42,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#16
[2025-02-07 18:27:42,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#17
[2025-02-07 18:27:42,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#18
[2025-02-07 18:27:42,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#19
[2025-02-07 18:27:42,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#20
[2025-02-07 18:27:42,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#21
[2025-02-07 18:27:42,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#22
[2025-02-07 18:27:42,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#23
[2025-02-07 18:27:42,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#24
[2025-02-07 18:27:42,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#25
[2025-02-07 18:27:42,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#26
[2025-02-07 18:27:42,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#27
[2025-02-07 18:27:42,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#28
[2025-02-07 18:27:42,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#29
[2025-02-07 18:27:42,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#30
[2025-02-07 18:27:42,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#31
[2025-02-07 18:27:42,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#32
[2025-02-07 18:27:42,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#33
[2025-02-07 18:27:42,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#34
[2025-02-07 18:27:42,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#35
[2025-02-07 18:27:42,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#36
[2025-02-07 18:27:42,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#37
[2025-02-07 18:27:42,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#38
[2025-02-07 18:27:42,551 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2025-02-07 18:27:42,551 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#0
[2025-02-07 18:27:42,552 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#1
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#2
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#3
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#4
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#5
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#6
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#7
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#8
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#9
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#10
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#11
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#12
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#13
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#14
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#15
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#16
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#17
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#18
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#19
[2025-02-07 18:27:42,553 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#20
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#21
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#22
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#23
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#24
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#25
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#26
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#27
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#28
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#29
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#30
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#31
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#32
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#33
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#34
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#35
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#36
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#37
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real#38
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure filter
[2025-02-07 18:27:42,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure filter
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#0
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#1
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#2
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#3
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#4
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#5
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#6
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#7
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#8
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#9
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#10
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#11
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#12
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#13
[2025-02-07 18:27:42,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#14
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#15
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#16
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#17
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#18
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#19
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#20
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#21
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#22
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#23
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#24
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#25
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#26
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#27
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#28
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#29
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#30
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#31
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#32
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#33
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#34
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#35
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#36
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#37
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real#38
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-02-07 18:27:42,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2025-02-07 18:27:42,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2025-02-07 18:27:42,555 INFO  L130     BoogieDeclarations]: Found specification of procedure sobelitereen
[2025-02-07 18:27:42,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure sobelitereen
[2025-02-07 18:27:42,559 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2025-02-07 18:27:42,805 INFO  L257             CfgBuilder]: Building ICFG
[2025-02-07 18:27:42,807 INFO  L287             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-02-07 18:27:48,503 INFO  L1324  $ProcedureCfgBuilder]: dead code at ProgramPoint L122: call ULTIMATE.dealloc(main_~#x1~0#1.base, main_~#x1~0#1.offset);havoc main_~#x1~0#1.base, main_~#x1~0#1.offset;call ULTIMATE.dealloc(main_~#x2~0#1.base, main_~#x2~0#1.offset);havoc main_~#x2~0#1.base, main_~#x2~0#1.offset;call ULTIMATE.dealloc(main_~#x3~0#1.base, main_~#x3~0#1.offset);havoc main_~#x3~0#1.base, main_~#x3~0#1.offset;call ULTIMATE.dealloc(main_~#x4~0#1.base, main_~#x4~0#1.offset);havoc main_~#x4~0#1.base, main_~#x4~0#1.offset;call ULTIMATE.dealloc(main_~#x5~0#1.base, main_~#x5~0#1.offset);havoc main_~#x5~0#1.base, main_~#x5~0#1.offset;call ULTIMATE.dealloc(main_~#x6~0#1.base, main_~#x6~0#1.offset);havoc main_~#x6~0#1.base, main_~#x6~0#1.offset;call ULTIMATE.dealloc(main_~#x7~0#1.base, main_~#x7~0#1.offset);havoc main_~#x7~0#1.base, main_~#x7~0#1.offset;call ULTIMATE.dealloc(main_~#x8~0#1.base, main_~#x8~0#1.offset);havoc main_~#x8~0#1.base, main_~#x8~0#1.offset;call ULTIMATE.dealloc(main_~#x9~0#1.base, main_~#x9~0#1.offset);havoc main_~#x9~0#1.base, main_~#x9~0#1.offset;call ULTIMATE.dealloc(main_~#x10~0#1.base, main_~#x10~0#1.offset);havoc main_~#x10~0#1.base, main_~#x10~0#1.offset;call ULTIMATE.dealloc(main_~#x11~0#1.base, main_~#x11~0#1.offset);havoc main_~#x11~0#1.base, main_~#x11~0#1.offset;call ULTIMATE.dealloc(main_~#x12~0#1.base, main_~#x12~0#1.offset);havoc main_~#x12~0#1.base, main_~#x12~0#1.offset;call ULTIMATE.dealloc(main_~#x13~0#1.base, main_~#x13~0#1.offset);havoc main_~#x13~0#1.base, main_~#x13~0#1.offset;call ULTIMATE.dealloc(main_~#x14~0#1.base, main_~#x14~0#1.offset);havoc main_~#x14~0#1.base, main_~#x14~0#1.offset;call ULTIMATE.dealloc(main_~#x15~0#1.base, main_~#x15~0#1.offset);havoc main_~#x15~0#1.base, main_~#x15~0#1.offset;call ULTIMATE.dealloc(main_~#x16~0#1.base, main_~#x16~0#1.offset);havoc main_~#x16~0#1.base, main_~#x16~0#1.offset;call ULTIMATE.dealloc(main_~#x17~0#1.base, main_~#x17~0#1.offset);havoc main_~#x17~0#1.base, main_~#x17~0#1.offset;call ULTIMATE.dealloc(main_~#x18~0#1.base, main_~#x18~0#1.offset);havoc main_~#x18~0#1.base, main_~#x18~0#1.offset;call ULTIMATE.dealloc(main_~#x19~0#1.base, main_~#x19~0#1.offset);havoc main_~#x19~0#1.base, main_~#x19~0#1.offset;call ULTIMATE.dealloc(main_~#y1~1#1.base, main_~#y1~1#1.offset);havoc main_~#y1~1#1.base, main_~#y1~1#1.offset;call ULTIMATE.dealloc(main_~#y2~1#1.base, main_~#y2~1#1.offset);havoc main_~#y2~1#1.base, main_~#y2~1#1.offset;call ULTIMATE.dealloc(main_~#y3~1#1.base, main_~#y3~1#1.offset);havoc main_~#y3~1#1.base, main_~#y3~1#1.offset;call ULTIMATE.dealloc(main_~#y4~1#1.base, main_~#y4~1#1.offset);havoc main_~#y4~1#1.base, main_~#y4~1#1.offset;call ULTIMATE.dealloc(main_~#y5~1#1.base, main_~#y5~1#1.offset);havoc main_~#y5~1#1.base, main_~#y5~1#1.offset;call ULTIMATE.dealloc(main_~#y6~1#1.base, main_~#y6~1#1.offset);havoc main_~#y6~1#1.base, main_~#y6~1#1.offset;call ULTIMATE.dealloc(main_~#y7~1#1.base, main_~#y7~1#1.offset);havoc main_~#y7~1#1.base, main_~#y7~1#1.offset;call ULTIMATE.dealloc(main_~#y8~1#1.base, main_~#y8~1#1.offset);havoc main_~#y8~1#1.base, main_~#y8~1#1.offset;call ULTIMATE.dealloc(main_~#y9~1#1.base, main_~#y9~1#1.offset);havoc main_~#y9~1#1.base, main_~#y9~1#1.offset;call ULTIMATE.dealloc(main_~#y10~1#1.base, main_~#y10~1#1.offset);havoc main_~#y10~1#1.base, main_~#y10~1#1.offset;call ULTIMATE.dealloc(main_~#y11~1#1.base, main_~#y11~1#1.offset);havoc main_~#y11~1#1.base, main_~#y11~1#1.offset;call ULTIMATE.dealloc(main_~#y12~1#1.base, main_~#y12~1#1.offset);havoc main_~#y12~1#1.base, main_~#y12~1#1.offset;call ULTIMATE.dealloc(main_~#y13~1#1.base, main_~#y13~1#1.offset);havoc main_~#y13~1#1.base, main_~#y13~1#1.offset;call ULTIMATE.dealloc(main_~#y14~1#1.base, main_~#y14~1#1.offset);havoc main_~#y14~1#1.base, main_~#y14~1#1.offset;call ULTIMATE.dealloc(main_~#y15~1#1.base, main_~#y15~1#1.offset);havoc main_~#y15~1#1.base, main_~#y15~1#1.offset;call ULTIMATE.dealloc(main_~#y16~1#1.base, main_~#y16~1#1.offset);havoc main_~#y16~1#1.base, main_~#y16~1#1.offset;call ULTIMATE.dealloc(main_~#y17~1#1.base, main_~#y17~1#1.offset);havoc main_~#y17~1#1.base, main_~#y17~1#1.offset;call ULTIMATE.dealloc(main_~#y18~1#1.base, main_~#y18~1#1.offset);havoc main_~#y18~1#1.base, main_~#y18~1#1.offset;call ULTIMATE.dealloc(main_~#y19~1#1.base, main_~#y19~1#1.offset);havoc main_~#y19~1#1.base, main_~#y19~1#1.offset;
[2025-02-07 18:27:48,578 INFO  L?                        ?]: Removed 171 outVars from TransFormulas that were not future-live.
[2025-02-07 18:27:48,578 INFO  L308             CfgBuilder]: Performing block encoding
[2025-02-07 18:27:48,586 INFO  L332             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-02-07 18:27:48,586 INFO  L337             CfgBuilder]: Removed 0 assume(true) statements.
[2025-02-07 18:27:48,586 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:27:48 BoogieIcfgContainer
[2025-02-07 18:27:48,587 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-02-07 18:27:48,588 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-02-07 18:27:48,588 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-02-07 18:27:48,591 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-02-07 18:27:48,591 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:27:42" (1/3) ...
[2025-02-07 18:27:48,592 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733ad31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:27:48, skipping insertion in model container
[2025-02-07 18:27:48,592 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:27:42" (2/3) ...
[2025-02-07 18:27:48,592 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733ad31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:27:48, skipping insertion in model container
[2025-02-07 18:27:48,592 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:27:48" (3/3) ...
[2025-02-07 18:27:48,593 INFO  L128   eAbstractionObserver]: Analyzing ICFG image_filter.c
[2025-02-07 18:27:48,603 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-02-07 18:27:48,604 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG image_filter.c that has 7 procedures, 192 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-02-07 18:27:48,637 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-02-07 18:27:48,644 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;@65be9c0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-02-07 18:27:48,644 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-02-07 18:27:48,647 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 192 states, 112 states have (on average 1.2321428571428572) internal successors, (138), 113 states have internal predecessors, (138), 72 states have call successors, (72), 6 states have call predecessors, (72), 6 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72)
[2025-02-07 18:27:48,703 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1617
[2025-02-07 18:27:48,704 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 18:27:48,705 INFO  L218           NwaCegarLoop]: trace histogram [266, 266, 40, 40, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 18:27:48,705 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 18:27:48,709 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 18:27:48,709 INFO  L85        PathProgramCache]: Analyzing trace with hash -602956943, now seen corresponding path program 1 times
[2025-02-07 18:27:48,714 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 18:27:48,714 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721773117]
[2025-02-07 18:27:48,715 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 18:27:48,715 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 18:27:49,699 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1616 statements into 1 equivalence classes.
[2025-02-07 18:27:50,279 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1616 of 1616 statements.
[2025-02-07 18:27:50,280 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 18:27:50,280 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 18:27:52,066 INFO  L134       CoverageAnalysis]: Checked inductivity of 111861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111861 trivial. 0 not checked.
[2025-02-07 18:27:52,067 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 18:27:52,067 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721773117]
[2025-02-07 18:27:52,068 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721773117] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 18:27:52,068 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 18:27:52,068 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-07 18:27:52,069 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225474742]
[2025-02-07 18:27:52,070 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 18:27:52,073 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-07 18:27:52,074 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 18:27:52,088 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-07 18:27:52,089 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-07 18:27:52,091 INFO  L87              Difference]: Start difference. First operand  has 192 states, 112 states have (on average 1.2321428571428572) internal successors, (138), 113 states have internal predecessors, (138), 72 states have call successors, (72), 6 states have call predecessors, (72), 6 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand  has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49)
[2025-02-07 18:27:52,234 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 18:27:52,234 INFO  L93              Difference]: Finished difference Result 388 states and 597 transitions.
[2025-02-07 18:27:52,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-07 18:27:52,236 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 1616
[2025-02-07 18:27:52,243 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 18:27:52,253 INFO  L225             Difference]: With dead ends: 388
[2025-02-07 18:27:52,254 INFO  L226             Difference]: Without dead ends: 200
[2025-02-07 18:27:52,260 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-07 18:27:52,261 INFO  L435           NwaCegarLoop]: 278 mSDtfsCounter, 10 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-02-07 18:27:52,262 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 552 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-02-07 18:27:52,277 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 200 states.
[2025-02-07 18:27:52,308 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 189.
[2025-02-07 18:27:52,313 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 189 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 111 states have internal predecessors, (134), 72 states have call successors, (72), 6 states have call predecessors, (72), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71)
[2025-02-07 18:27:52,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 277 transitions.
[2025-02-07 18:27:52,324 INFO  L78                 Accepts]: Start accepts. Automaton has 189 states and 277 transitions. Word has length 1616
[2025-02-07 18:27:52,326 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 18:27:52,329 INFO  L471      AbstractCegarLoop]: Abstraction has 189 states and 277 transitions.
[2025-02-07 18:27:52,330 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49)
[2025-02-07 18:27:52,330 INFO  L276                IsEmpty]: Start isEmpty. Operand 189 states and 277 transitions.
[2025-02-07 18:27:52,405 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2344
[2025-02-07 18:27:52,405 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 18:27:52,406 INFO  L218           NwaCegarLoop]: trace histogram [380, 380, 60, 60, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 18:27:52,407 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-02-07 18:27:52,407 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 18:27:52,409 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 18:27:52,409 INFO  L85        PathProgramCache]: Analyzing trace with hash 97606512, now seen corresponding path program 1 times
[2025-02-07 18:27:52,409 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 18:27:52,409 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013848075]
[2025-02-07 18:27:52,409 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 18:27:52,410 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 18:27:53,599 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2343 statements into 1 equivalence classes.
[2025-02-07 18:27:53,970 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2343 of 2343 statements.
[2025-02-07 18:27:53,970 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 18:27:53,970 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 18:27:56,015 INFO  L134       CoverageAnalysis]: Checked inductivity of 229308 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 229307 trivial. 0 not checked.
[2025-02-07 18:27:56,016 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 18:27:56,016 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013848075]
[2025-02-07 18:27:56,016 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013848075] provided 0 perfect and 1 imperfect interpolant sequences
[2025-02-07 18:27:56,016 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254685653]
[2025-02-07 18:27:56,016 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 18:27:56,017 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-02-07 18:27:56,017 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-07 18:27:56,019 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-02-07 18:27:56,022 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-02-07 18:27:58,021 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2343 statements into 1 equivalence classes.
[2025-02-07 18:27:59,981 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2343 of 2343 statements.
[2025-02-07 18:27:59,981 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 18:27:59,981 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 18:28:00,079 INFO  L256         TraceCheckSpWp]: Trace formula consists of 21504 conjuncts, 3 conjuncts are in the unsatisfiable core
[2025-02-07 18:28:00,214 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-02-07 18:28:00,449 INFO  L134       CoverageAnalysis]: Checked inductivity of 229308 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 229307 trivial. 0 not checked.
[2025-02-07 18:28:00,450 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2025-02-07 18:28:03,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 229308 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 229307 trivial. 0 not checked.
[2025-02-07 18:28:03,844 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254685653] provided 0 perfect and 2 imperfect interpolant sequences
[2025-02-07 18:28:03,844 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2025-02-07 18:28:03,845 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2025-02-07 18:28:03,846 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648680839]
[2025-02-07 18:28:03,846 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2025-02-07 18:28:03,853 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-02-07 18:28:03,853 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 18:28:03,854 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-02-07 18:28:03,854 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2025-02-07 18:28:03,854 INFO  L87              Difference]: Start difference. First operand 189 states and 277 transitions. Second operand  has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 5 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61)
[2025-02-07 18:28:05,237 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 18:28:05,237 INFO  L93              Difference]: Finished difference Result 287 states and 435 transitions.
[2025-02-07 18:28:05,238 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-02-07 18:28:05,238 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 5 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) Word has length 2343
[2025-02-07 18:28:05,242 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 18:28:05,244 INFO  L225             Difference]: With dead ends: 287
[2025-02-07 18:28:05,245 INFO  L226             Difference]: Without dead ends: 225
[2025-02-07 18:28:05,245 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4688 GetRequests, 4683 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2025-02-07 18:28:05,246 INFO  L435           NwaCegarLoop]: 274 mSDtfsCounter, 29 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-02-07 18:28:05,246 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 1333 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-02-07 18:28:05,247 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 225 states.
[2025-02-07 18:28:05,260 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225.
[2025-02-07 18:28:05,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 225 states, 134 states have (on average 1.2462686567164178) internal successors, (167), 135 states have internal predecessors, (167), 84 states have call successors, (84), 6 states have call predecessors, (84), 6 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83)
[2025-02-07 18:28:05,271 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 334 transitions.
[2025-02-07 18:28:05,272 INFO  L78                 Accepts]: Start accepts. Automaton has 225 states and 334 transitions. Word has length 2343
[2025-02-07 18:28:05,275 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 18:28:05,276 INFO  L471      AbstractCegarLoop]: Abstraction has 225 states and 334 transitions.
[2025-02-07 18:28:05,276 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 5 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61)
[2025-02-07 18:28:05,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 225 states and 334 transitions.
[2025-02-07 18:28:05,419 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4525
[2025-02-07 18:28:05,419 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 18:28:05,420 INFO  L218           NwaCegarLoop]: trace histogram [722, 722, 120, 120, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 18:28:05,470 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2025-02-07 18:28:05,625 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-02-07 18:28:05,625 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 18:28:05,626 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 18:28:05,626 INFO  L85        PathProgramCache]: Analyzing trace with hash -1306143311, now seen corresponding path program 2 times
[2025-02-07 18:28:05,626 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 18:28:05,626 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854156040]
[2025-02-07 18:28:05,627 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2025-02-07 18:28:05,627 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 18:28:07,462 INFO  L108    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4524 statements into 2 equivalence classes.
[2025-02-07 18:28:08,269 INFO  L111    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 4524 of 4524 statements.
[2025-02-07 18:28:08,272 INFO  L114    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2025-02-07 18:28:08,273 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 18:28:14,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 832251 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 832175 trivial. 0 not checked.
[2025-02-07 18:28:14,289 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 18:28:14,290 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854156040]
[2025-02-07 18:28:14,290 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854156040] provided 0 perfect and 1 imperfect interpolant sequences
[2025-02-07 18:28:14,290 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521659994]
[2025-02-07 18:28:14,290 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2025-02-07 18:28:14,290 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-02-07 18:28:14,290 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-07 18:28:14,298 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-02-07 18:28:14,299 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2025-02-07 18:28:18,116 INFO  L108    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4524 statements into 2 equivalence classes.
[2025-02-07 18:28:22,356 INFO  L111    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 4524 of 4524 statements.
[2025-02-07 18:28:22,356 INFO  L114    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2025-02-07 18:28:22,356 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 18:28:22,608 INFO  L256         TraceCheckSpWp]: Trace formula consists of 41172 conjuncts, 6 conjuncts are in the unsatisfiable core
[2025-02-07 18:28:22,688 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-02-07 18:28:22,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 832251 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 832175 trivial. 0 not checked.
[2025-02-07 18:28:22,842 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2025-02-07 18:28:28,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 832251 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 832175 trivial. 0 not checked.
[2025-02-07 18:28:28,472 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [521659994] provided 0 perfect and 2 imperfect interpolant sequences
[2025-02-07 18:28:28,472 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2025-02-07 18:28:28,473 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13
[2025-02-07 18:28:28,473 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19445751]
[2025-02-07 18:28:28,473 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2025-02-07 18:28:28,480 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2025-02-07 18:28:28,480 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 18:28:28,481 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2025-02-07 18:28:28,481 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2025-02-07 18:28:28,482 INFO  L87              Difference]: Start difference. First operand 225 states and 334 transitions. Second operand  has 13 states, 13 states have (on average 10.76923076923077) internal successors, (140), 13 states have internal predecessors, (140), 11 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 10 states have call predecessors, (85), 10 states have call successors, (85)
[2025-02-07 18:28:30,175 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 18:28:30,175 INFO  L93              Difference]: Finished difference Result 359 states and 552 transitions.
[2025-02-07 18:28:30,178 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2025-02-07 18:28:30,178 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 10.76923076923077) internal successors, (140), 13 states have internal predecessors, (140), 11 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 10 states have call predecessors, (85), 10 states have call successors, (85) Word has length 4524
[2025-02-07 18:28:30,185 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 18:28:30,189 INFO  L225             Difference]: With dead ends: 359
[2025-02-07 18:28:30,189 INFO  L226             Difference]: Without dead ends: 297
[2025-02-07 18:28:30,190 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9053 GetRequests, 9042 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2025-02-07 18:28:30,190 INFO  L435           NwaCegarLoop]: 274 mSDtfsCounter, 65 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-02-07 18:28:30,191 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1645 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-02-07 18:28:30,192 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 297 states.
[2025-02-07 18:28:30,212 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297.
[2025-02-07 18:28:30,216 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 297 states, 182 states have (on average 1.2802197802197801) internal successors, (233), 183 states have internal predecessors, (233), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107)
[2025-02-07 18:28:30,218 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 448 transitions.
[2025-02-07 18:28:30,219 INFO  L78                 Accepts]: Start accepts. Automaton has 297 states and 448 transitions. Word has length 4524
[2025-02-07 18:28:30,224 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 18:28:30,224 INFO  L471      AbstractCegarLoop]: Abstraction has 297 states and 448 transitions.
[2025-02-07 18:28:30,224 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 10.76923076923077) internal successors, (140), 13 states have internal predecessors, (140), 11 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 10 states have call predecessors, (85), 10 states have call successors, (85)
[2025-02-07 18:28:30,224 INFO  L276                IsEmpty]: Start isEmpty. Operand 297 states and 448 transitions.
[2025-02-07 18:28:30,482 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8887
[2025-02-07 18:28:30,482 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 18:28:30,485 INFO  L218           NwaCegarLoop]: trace histogram [1406, 1406, 240, 240, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 30, 30, 30, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 18:28:30,581 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2025-02-07 18:28:30,688 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-02-07 18:28:30,689 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 18:28:30,690 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 18:28:30,691 INFO  L85        PathProgramCache]: Analyzing trace with hash 1224075537, now seen corresponding path program 3 times
[2025-02-07 18:28:30,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 18:28:30,691 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075783045]
[2025-02-07 18:28:30,691 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2025-02-07 18:28:30,691 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 18:28:33,821 INFO  L108    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8886 statements into 207 equivalence classes.