./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1 --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 64bit --witnessprinter.graph.data.programhash 78c65132cf8567cb0e48833586d6715b235e5b9872da28c578d017ab5b668f03
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:17:54,986 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:17:55,044 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 13:17:55,049 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:17:55,049 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:17:55,071 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:17:55,072 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:17:55,072 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:17:55,072 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:17:55,073 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 13:17:55,073 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:17:55,073 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:17:55,073 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:17:55,073 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 13:17:55,073 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 13:17:55,074 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:17:55,074 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:17:55,074 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 13:17:55,074 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 13:17:55,074 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:17:55,074 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:17:55,074 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:17:55,074 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 13:17:55,074 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:17:55,074 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 13:17:55,075 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:17:55,075 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 13:17:55,075 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:17:55,075 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 13:17:55,075 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:17:55,075 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:17:55,075 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 13:17:55,075 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:17:55,075 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 13:17:55,075 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:17:55,076 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:17:55,076 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:17:55,076 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 13:17:55,076 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:17:55,076 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 13:17:55,076 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:17:55,076 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:17:55,076 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:17:55,076 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:17:55,076 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:17:55,076 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1
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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78c65132cf8567cb0e48833586d6715b235e5b9872da28c578d017ab5b668f03
[2024-12-02 13:17:55,321 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:17:55,328 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:17:55,330 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:17:55,331 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 13:17:55,331 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 13:17:55,333 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c
[2024-12-02 13:17:57,979 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/data/cb7f0317d/18e638802c2149e092ab982b2b57f453/FLAGd493b635a
[2024-12-02 13:17:58,302 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 13:17:58,303 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c
[2024-12-02 13:17:58,321 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/data/cb7f0317d/18e638802c2149e092ab982b2b57f453/FLAGd493b635a
[2024-12-02 13:17:58,336 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/data/cb7f0317d/18e638802c2149e092ab982b2b57f453
[2024-12-02 13:17:58,338 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:17:58,339 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:17:58,340 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:17:58,341 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:17:58,345 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:17:58,345 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:17:58" (1/1) ...
[2024-12-02 13:17:58,346 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab79997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:58, skipping insertion in model container
[2024-12-02 13:17:58,346 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:17:58" (1/1) ...
[2024-12-02 13:17:58,412 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:17:58,590 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c[1177,1190]
[2024-12-02 13:17:59,052 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:17:59,061 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 13:17:59,071 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c[1177,1190]
[2024-12-02 13:17:59,431 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:17:59,444 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 13:17:59,445 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59 WrapperNode
[2024-12-02 13:17:59,445 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:17:59,446 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:17:59,446 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:17:59,446 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:17:59,452 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:17:59,531 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:00,448 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16560
[2024-12-02 13:18:00,449 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:18:00,450 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:18:00,450 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:18:00,450 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:18:00,458 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:00,459 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:00,773 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:00,894 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 13:18:00,894 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:00,895 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:01,167 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:01,187 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:01,239 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:01,281 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:01,310 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:01,447 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:18:01,448 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:18:01,448 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:18:01,448 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:18:01,449 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (1/1) ...
[2024-12-02 13:18:01,455 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:18:01,467 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:18:01,479 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:18:01,481 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc14773-a3cb-434b-8aed-78ff4011a425/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:18:01,500 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:18:01,500 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:18:01,500 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:18:01,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:18:02,199 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 13:18:02,201 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:18:31,404 INFO  L?                        ?]: Removed 8319 outVars from TransFormulas that were not future-live.
[2024-12-02 13:18:31,404 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 13:18:31,482 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:18:31,483 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 13:18:31,483 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:31 BoogieIcfgContainer
[2024-12-02 13:18:31,483 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:18:31,485 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:18:31,485 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:18:31,490 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:18:31,490 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:17:58" (1/3) ...
[2024-12-02 13:18:31,490 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b743aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:18:31, skipping insertion in model container
[2024-12-02 13:18:31,490 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:59" (2/3) ...
[2024-12-02 13:18:31,491 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b743aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:18:31, skipping insertion in model container
[2024-12-02 13:18:31,491 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:31" (3/3) ...
[2024-12-02 13:18:31,492 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.collision.4.prop1-back-serstep.c
[2024-12-02 13:18:31,507 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:18:31,509 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.collision.4.prop1-back-serstep.c that has 1 procedures, 6114 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 13:18:31,650 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:18:31,661 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;@79e6ec98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:18:31,661 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 13:18:31,679 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 6114 states, 6112 states have (on average 1.5099803664921465) internal successors, (9229), 6113 states have internal predecessors, (9229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:31,696 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 376
[2024-12-02 13:18:31,697 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:18:31,697 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:18:31,698 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:18:31,702 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:18:31,703 INFO  L85        PathProgramCache]: Analyzing trace with hash 1958296459, now seen corresponding path program 1 times
[2024-12-02 13:18:31,710 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:18:31,710 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150142526]
[2024-12-02 13:18:31,710 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:18:31,711 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:18:32,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:18:33,707 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:18:33,707 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:18:33,708 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150142526]
[2024-12-02 13:18:33,708 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150142526] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:18:33,708 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:18:33,709 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:18:33,710 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111878150]
[2024-12-02 13:18:33,711 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:18:33,715 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:18:33,715 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:18:33,734 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:18:33,735 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:18:33,749 INFO  L87              Difference]: Start difference. First operand  has 6114 states, 6112 states have (on average 1.5099803664921465) internal successors, (9229), 6113 states have internal predecessors, (9229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:34,116 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:18:34,117 INFO  L93              Difference]: Finished difference Result 12049 states and 18193 transitions.
[2024-12-02 13:18:34,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:18:34,119 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 375
[2024-12-02 13:18:34,121 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:18:34,157 INFO  L225             Difference]: With dead ends: 12049
[2024-12-02 13:18:34,157 INFO  L226             Difference]: Without dead ends: 6113
[2024-12-02 13:18:34,167 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:18:34,170 INFO  L435           NwaCegarLoop]: 9223 mSDtfsCounter, 0 mSDsluCounter, 18440 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27663 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:18:34,171 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27663 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:18:34,197 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6113 states.
[2024-12-02 13:18:34,329 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6113 to 6113.
[2024-12-02 13:18:34,342 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6113 states, 6112 states have (on average 1.5096531413612566) internal successors, (9227), 6112 states have internal predecessors, (9227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:34,373 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6113 states to 6113 states and 9227 transitions.
[2024-12-02 13:18:34,374 INFO  L78                 Accepts]: Start accepts. Automaton has 6113 states and 9227 transitions. Word has length 375
[2024-12-02 13:18:34,376 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:18:34,376 INFO  L471      AbstractCegarLoop]: Abstraction has 6113 states and 9227 transitions.
[2024-12-02 13:18:34,376 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:34,376 INFO  L276                IsEmpty]: Start isEmpty. Operand 6113 states and 9227 transitions.
[2024-12-02 13:18:34,383 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 377
[2024-12-02 13:18:34,383 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:18:34,383 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:18:34,384 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:18:34,384 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:18:34,385 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:18:34,385 INFO  L85        PathProgramCache]: Analyzing trace with hash 579345643, now seen corresponding path program 1 times
[2024-12-02 13:18:34,385 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:18:34,385 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217687245]
[2024-12-02 13:18:34,385 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:18:34,386 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:18:34,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:18:35,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:18:35,304 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:18:35,304 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217687245]
[2024-12-02 13:18:35,304 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217687245] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:18:35,304 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:18:35,304 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:18:35,305 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407806786]
[2024-12-02 13:18:35,305 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:18:35,306 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:18:35,306 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:18:35,307 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:18:35,307 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:18:35,308 INFO  L87              Difference]: Start difference. First operand 6113 states and 9227 transitions. Second operand  has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:35,577 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:18:35,577 INFO  L93              Difference]: Finished difference Result 12050 states and 18191 transitions.
[2024-12-02 13:18:35,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:18:35,578 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 376
[2024-12-02 13:18:35,579 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:18:35,604 INFO  L225             Difference]: With dead ends: 12050
[2024-12-02 13:18:35,604 INFO  L226             Difference]: Without dead ends: 6115
[2024-12-02 13:18:35,612 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:18:35,613 INFO  L435           NwaCegarLoop]: 9223 mSDtfsCounter, 0 mSDsluCounter, 18436 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27659 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:18:35,613 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27659 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:18:35,624 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6115 states.
[2024-12-02 13:18:35,728 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6115 to 6115.
[2024-12-02 13:18:35,740 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6115 states, 6114 states have (on average 1.5094864245992803) internal successors, (9229), 6114 states have internal predecessors, (9229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:35,772 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6115 states to 6115 states and 9229 transitions.
[2024-12-02 13:18:35,772 INFO  L78                 Accepts]: Start accepts. Automaton has 6115 states and 9229 transitions. Word has length 376
[2024-12-02 13:18:35,773 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:18:35,773 INFO  L471      AbstractCegarLoop]: Abstraction has 6115 states and 9229 transitions.
[2024-12-02 13:18:35,773 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:35,774 INFO  L276                IsEmpty]: Start isEmpty. Operand 6115 states and 9229 transitions.
[2024-12-02 13:18:35,780 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 378
[2024-12-02 13:18:35,780 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:18:35,781 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:18:35,781 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 13:18:35,781 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:18:35,782 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:18:35,782 INFO  L85        PathProgramCache]: Analyzing trace with hash -318117788, now seen corresponding path program 1 times
[2024-12-02 13:18:35,782 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:18:35,782 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933014761]
[2024-12-02 13:18:35,782 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:18:35,782 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:18:36,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:18:36,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:18:36,746 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:18:36,746 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933014761]
[2024-12-02 13:18:36,746 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933014761] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:18:36,746 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:18:36,746 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:18:36,747 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473158989]
[2024-12-02 13:18:36,747 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:18:36,747 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:18:36,747 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:18:36,748 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:18:36,748 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:18:36,748 INFO  L87              Difference]: Start difference. First operand 6115 states and 9229 transitions. Second operand  has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:36,992 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:18:36,992 INFO  L93              Difference]: Finished difference Result 12054 states and 18195 transitions.
[2024-12-02 13:18:36,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:18:36,993 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 377
[2024-12-02 13:18:36,994 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:18:37,014 INFO  L225             Difference]: With dead ends: 12054
[2024-12-02 13:18:37,014 INFO  L226             Difference]: Without dead ends: 6117
[2024-12-02 13:18:37,021 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:18:37,022 INFO  L435           NwaCegarLoop]: 9223 mSDtfsCounter, 0 mSDsluCounter, 18436 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27659 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:18:37,022 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27659 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:18:37,032 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6117 states.
[2024-12-02 13:18:37,125 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 6117.
[2024-12-02 13:18:37,136 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6117 states, 6116 states have (on average 1.5093198168737738) internal successors, (9231), 6116 states have internal predecessors, (9231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:37,159 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 9231 transitions.
[2024-12-02 13:18:37,159 INFO  L78                 Accepts]: Start accepts. Automaton has 6117 states and 9231 transitions. Word has length 377
[2024-12-02 13:18:37,160 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:18:37,160 INFO  L471      AbstractCegarLoop]: Abstraction has 6117 states and 9231 transitions.
[2024-12-02 13:18:37,161 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:37,161 INFO  L276                IsEmpty]: Start isEmpty. Operand 6117 states and 9231 transitions.
[2024-12-02 13:18:37,168 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 379
[2024-12-02 13:18:37,169 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:18:37,169 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:18:37,169 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 13:18:37,169 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:18:37,170 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:18:37,170 INFO  L85        PathProgramCache]: Analyzing trace with hash -362827630, now seen corresponding path program 1 times
[2024-12-02 13:18:37,170 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:18:37,170 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705334787]
[2024-12-02 13:18:37,170 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:18:37,171 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:18:37,326 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:18:38,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:18:38,027 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:18:38,027 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705334787]
[2024-12-02 13:18:38,027 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705334787] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:18:38,027 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:18:38,027 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:18:38,027 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963838836]
[2024-12-02 13:18:38,027 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:18:38,028 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:18:38,028 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:18:38,029 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:18:38,029 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:18:38,029 INFO  L87              Difference]: Start difference. First operand 6117 states and 9231 transitions. Second operand  has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:38,379 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:18:38,379 INFO  L93              Difference]: Finished difference Result 17981 states and 27142 transitions.
[2024-12-02 13:18:38,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:18:38,380 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 378
[2024-12-02 13:18:38,381 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:18:38,414 INFO  L225             Difference]: With dead ends: 17981
[2024-12-02 13:18:38,415 INFO  L226             Difference]: Without dead ends: 12042
[2024-12-02 13:18:38,423 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:18:38,423 INFO  L435           NwaCegarLoop]: 9221 mSDtfsCounter, 8839 mSDsluCounter, 27392 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8839 SdHoareTripleChecker+Valid, 36613 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:18:38,424 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8839 Valid, 36613 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:18:38,438 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12042 states.
[2024-12-02 13:18:38,561 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12042 to 6673.
[2024-12-02 13:18:38,570 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6673 states, 6672 states have (on average 1.5085431654676258) internal successors, (10065), 6672 states have internal predecessors, (10065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:38,585 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6673 states to 6673 states and 10065 transitions.
[2024-12-02 13:18:38,586 INFO  L78                 Accepts]: Start accepts. Automaton has 6673 states and 10065 transitions. Word has length 378
[2024-12-02 13:18:38,586 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:18:38,586 INFO  L471      AbstractCegarLoop]: Abstraction has 6673 states and 10065 transitions.
[2024-12-02 13:18:38,587 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:38,587 INFO  L276                IsEmpty]: Start isEmpty. Operand 6673 states and 10065 transitions.
[2024-12-02 13:18:38,877 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-12-02 13:18:38,877 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:18:38,879 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:18:38,879 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 13:18:38,879 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:18:38,880 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:18:38,882 INFO  L85        PathProgramCache]: Analyzing trace with hash 686844368, now seen corresponding path program 1 times
[2024-12-02 13:18:38,882 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:18:38,882 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269061609]
[2024-12-02 13:18:38,883 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:18:38,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:18:43,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:18:49,041 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:18:49,041 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:18:49,041 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269061609]
[2024-12-02 13:18:49,041 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269061609] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:18:49,042 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:18:49,042 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:18:49,042 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120764711]
[2024-12-02 13:18:49,042 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:18:49,045 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:18:49,046 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:18:49,048 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:18:49,048 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:18:49,049 INFO  L87              Difference]: Start difference. First operand 6673 states and 10065 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:49,171 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:18:49,172 INFO  L93              Difference]: Finished difference Result 12613 states and 19032 transitions.
[2024-12-02 13:18:49,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:18:49,174 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3115
[2024-12-02 13:18:49,175 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:18:49,192 INFO  L225             Difference]: With dead ends: 12613
[2024-12-02 13:18:49,192 INFO  L226             Difference]: Without dead ends: 6674
[2024-12-02 13:18:49,200 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
[2024-12-02 13:18:49,201 INFO  L435           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:18:49,201 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:18:49,211 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6674 states.
[2024-12-02 13:18:49,315 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6674.
[2024-12-02 13:18:49,326 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6674 states, 6673 states have (on average 1.5084669563914281) internal successors, (10066), 6673 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:49,341 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6674 states to 6674 states and 10066 transitions.
[2024-12-02 13:18:49,341 INFO  L78                 Accepts]: Start accepts. Automaton has 6674 states and 10066 transitions. Word has length 3115
[2024-12-02 13:18:49,342 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:18:49,343 INFO  L471      AbstractCegarLoop]: Abstraction has 6674 states and 10066 transitions.
[2024-12-02 13:18:49,344 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:49,345 INFO  L276                IsEmpty]: Start isEmpty. Operand 6674 states and 10066 transitions.
[2024-12-02 13:18:49,553 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-12-02 13:18:49,554 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:18:49,555 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:18:49,556 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 13:18:49,556 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:18:49,557 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:18:49,559 INFO  L85        PathProgramCache]: Analyzing trace with hash 1732398655, now seen corresponding path program 1 times
[2024-12-02 13:18:49,559 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:18:49,559 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015222456]
[2024-12-02 13:18:49,560 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:18:49,561 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:18:51,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:18:56,745 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:18:56,746 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:18:56,746 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015222456]
[2024-12-02 13:18:56,746 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015222456] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:18:56,746 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:18:56,746 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:18:56,747 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749701914]
[2024-12-02 13:18:56,747 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:18:56,749 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:18:56,750 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:18:56,752 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:18:56,753 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:18:56,754 INFO  L87              Difference]: Start difference. First operand 6674 states and 10066 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:56,860 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:18:56,860 INFO  L93              Difference]: Finished difference Result 12615 states and 19034 transitions.
[2024-12-02 13:18:56,861 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:18:56,862 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3115
[2024-12-02 13:18:56,864 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:18:56,880 INFO  L225             Difference]: With dead ends: 12615
[2024-12-02 13:18:56,880 INFO  L226             Difference]: Without dead ends: 6675
[2024-12-02 13:18:56,886 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
[2024-12-02 13:18:56,887 INFO  L435           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:18:56,887 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:18:56,896 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6675 states.
[2024-12-02 13:18:56,983 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6675 to 6675.
[2024-12-02 13:18:56,993 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6675 states, 6674 states have (on average 1.5083907701528319) internal successors, (10067), 6674 states have internal predecessors, (10067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:57,005 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6675 states to 6675 states and 10067 transitions.
[2024-12-02 13:18:57,006 INFO  L78                 Accepts]: Start accepts. Automaton has 6675 states and 10067 transitions. Word has length 3115
[2024-12-02 13:18:57,008 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:18:57,009 INFO  L471      AbstractCegarLoop]: Abstraction has 6675 states and 10067 transitions.
[2024-12-02 13:18:57,010 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:18:57,010 INFO  L276                IsEmpty]: Start isEmpty. Operand 6675 states and 10067 transitions.
[2024-12-02 13:18:57,098 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-12-02 13:18:57,098 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:18:57,100 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:18:57,101 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 13:18:57,101 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:18:57,102 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:18:57,104 INFO  L85        PathProgramCache]: Analyzing trace with hash -226764434, now seen corresponding path program 1 times
[2024-12-02 13:18:57,104 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:18:57,105 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736449403]
[2024-12-02 13:18:57,106 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:18:57,106 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:19:00,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:19:04,814 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:19:04,814 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:19:04,814 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736449403]
[2024-12-02 13:19:04,814 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736449403] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:19:04,814 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:19:04,814 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:19:04,814 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248789887]
[2024-12-02 13:19:04,815 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:19:04,816 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:19:04,816 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:19:04,818 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:19:04,818 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:19:04,819 INFO  L87              Difference]: Start difference. First operand 6675 states and 10067 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:04,927 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:19:04,928 INFO  L93              Difference]: Finished difference Result 12617 states and 19036 transitions.
[2024-12-02 13:19:04,928 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:19:04,929 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3115
[2024-12-02 13:19:04,931 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:19:04,947 INFO  L225             Difference]: With dead ends: 12617
[2024-12-02 13:19:04,947 INFO  L226             Difference]: Without dead ends: 6676
[2024-12-02 13:19:04,953 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
[2024-12-02 13:19:04,954 INFO  L435           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:19:04,954 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:19:04,963 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6676 states.
[2024-12-02 13:19:05,046 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6676.
[2024-12-02 13:19:05,056 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6676 states, 6675 states have (on average 1.5083146067415731) internal successors, (10068), 6675 states have internal predecessors, (10068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:05,068 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 10068 transitions.
[2024-12-02 13:19:05,068 INFO  L78                 Accepts]: Start accepts. Automaton has 6676 states and 10068 transitions. Word has length 3115
[2024-12-02 13:19:05,070 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:19:05,071 INFO  L471      AbstractCegarLoop]: Abstraction has 6676 states and 10068 transitions.
[2024-12-02 13:19:05,072 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:05,072 INFO  L276                IsEmpty]: Start isEmpty. Operand 6676 states and 10068 transitions.
[2024-12-02 13:19:05,194 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-12-02 13:19:05,194 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:19:05,196 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:19:05,197 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 13:19:05,197 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:19:05,198 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:19:05,200 INFO  L85        PathProgramCache]: Analyzing trace with hash -493928035, now seen corresponding path program 1 times
[2024-12-02 13:19:05,200 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:19:05,200 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871881523]
[2024-12-02 13:19:05,201 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:19:05,201 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:19:07,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:19:12,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:19:12,995 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:19:12,996 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871881523]
[2024-12-02 13:19:12,996 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871881523] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:19:12,996 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:19:12,996 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:19:12,996 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731816145]
[2024-12-02 13:19:12,996 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:19:12,998 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:19:12,998 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:19:13,000 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:19:13,000 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:19:13,001 INFO  L87              Difference]: Start difference. First operand 6676 states and 10068 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:13,096 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:19:13,096 INFO  L93              Difference]: Finished difference Result 12619 states and 19038 transitions.
[2024-12-02 13:19:13,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:19:13,097 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3115
[2024-12-02 13:19:13,098 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:19:13,113 INFO  L225             Difference]: With dead ends: 12619
[2024-12-02 13:19:13,113 INFO  L226             Difference]: Without dead ends: 6677
[2024-12-02 13:19:13,119 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
[2024-12-02 13:19:13,120 INFO  L435           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:19:13,120 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:19:13,129 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6677 states.
[2024-12-02 13:19:13,235 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 6677.
[2024-12-02 13:19:13,241 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6677 states, 6676 states have (on average 1.5082384661473935) internal successors, (10069), 6676 states have internal predecessors, (10069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:13,252 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 10069 transitions.
[2024-12-02 13:19:13,253 INFO  L78                 Accepts]: Start accepts. Automaton has 6677 states and 10069 transitions. Word has length 3115
[2024-12-02 13:19:13,254 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:19:13,254 INFO  L471      AbstractCegarLoop]: Abstraction has 6677 states and 10069 transitions.
[2024-12-02 13:19:13,255 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:13,255 INFO  L276                IsEmpty]: Start isEmpty. Operand 6677 states and 10069 transitions.
[2024-12-02 13:19:13,334 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-12-02 13:19:13,334 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:19:13,336 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:19:13,337 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 13:19:13,337 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:19:13,338 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:19:13,340 INFO  L85        PathProgramCache]: Analyzing trace with hash -1043684212, now seen corresponding path program 1 times
[2024-12-02 13:19:13,340 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:19:13,340 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565169409]
[2024-12-02 13:19:13,341 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:19:13,341 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:19:15,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:19:21,564 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:19:21,565 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:19:21,565 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565169409]
[2024-12-02 13:19:21,565 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565169409] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:19:21,565 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:19:21,565 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:19:21,565 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261751824]
[2024-12-02 13:19:21,565 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:19:21,567 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:19:21,567 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:19:21,569 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:19:21,569 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:19:21,570 INFO  L87              Difference]: Start difference. First operand 6677 states and 10069 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:21,637 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:19:21,637 INFO  L93              Difference]: Finished difference Result 12621 states and 19040 transitions.
[2024-12-02 13:19:21,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:19:21,639 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3115
[2024-12-02 13:19:21,640 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:19:21,649 INFO  L225             Difference]: With dead ends: 12621
[2024-12-02 13:19:21,650 INFO  L226             Difference]: Without dead ends: 6678
[2024-12-02 13:19:21,654 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
[2024-12-02 13:19:21,654 INFO  L435           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:19:21,655 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:19:21,661 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6678 states.
[2024-12-02 13:19:21,717 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6678 to 6678.
[2024-12-02 13:19:21,723 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6678 states, 6677 states have (on average 1.508162348360042) internal successors, (10070), 6677 states have internal predecessors, (10070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:21,730 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 10070 transitions.
[2024-12-02 13:19:21,730 INFO  L78                 Accepts]: Start accepts. Automaton has 6678 states and 10070 transitions. Word has length 3115
[2024-12-02 13:19:21,731 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:19:21,731 INFO  L471      AbstractCegarLoop]: Abstraction has 6678 states and 10070 transitions.
[2024-12-02 13:19:21,732 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:21,732 INFO  L276                IsEmpty]: Start isEmpty. Operand 6678 states and 10070 transitions.
[2024-12-02 13:19:21,982 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-12-02 13:19:21,982 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:19:21,984 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:19:21,984 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 13:19:21,985 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:19:21,986 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:19:21,987 INFO  L85        PathProgramCache]: Analyzing trace with hash 355339835, now seen corresponding path program 1 times
[2024-12-02 13:19:21,988 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:19:21,988 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117473772]
[2024-12-02 13:19:21,989 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:19:21,989 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:19:24,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:19:30,152 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:19:30,152 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:19:30,153 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117473772]
[2024-12-02 13:19:30,153 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117473772] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:19:30,153 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:19:30,153 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:19:30,153 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789947624]
[2024-12-02 13:19:30,153 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:19:30,155 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:19:30,156 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:19:30,158 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:19:30,158 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:19:30,159 INFO  L87              Difference]: Start difference. First operand 6678 states and 10070 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:30,262 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:19:30,262 INFO  L93              Difference]: Finished difference Result 12623 states and 19042 transitions.
[2024-12-02 13:19:30,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:19:30,264 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3115
[2024-12-02 13:19:30,267 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:19:30,277 INFO  L225             Difference]: With dead ends: 12623
[2024-12-02 13:19:30,277 INFO  L226             Difference]: Without dead ends: 6679
[2024-12-02 13:19:30,284 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
[2024-12-02 13:19:30,285 INFO  L435           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:19:30,286 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:19:30,299 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6679 states.
[2024-12-02 13:19:30,415 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 6679.
[2024-12-02 13:19:30,423 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6679 states, 6678 states have (on average 1.5080862533692723) internal successors, (10071), 6678 states have internal predecessors, (10071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:30,441 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6679 states to 6679 states and 10071 transitions.
[2024-12-02 13:19:30,441 INFO  L78                 Accepts]: Start accepts. Automaton has 6679 states and 10071 transitions. Word has length 3115
[2024-12-02 13:19:30,444 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:19:30,444 INFO  L471      AbstractCegarLoop]: Abstraction has 6679 states and 10071 transitions.
[2024-12-02 13:19:30,445 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:30,445 INFO  L276                IsEmpty]: Start isEmpty. Operand 6679 states and 10071 transitions.
[2024-12-02 13:19:30,621 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-12-02 13:19:30,621 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:19:30,622 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:19:30,623 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 13:19:30,623 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:19:30,624 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:19:30,626 INFO  L85        PathProgramCache]: Analyzing trace with hash -193755286, now seen corresponding path program 1 times
[2024-12-02 13:19:30,626 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:19:30,626 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508393841]
[2024-12-02 13:19:30,626 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:19:30,627 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:19:33,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:19:39,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:19:39,951 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:19:39,951 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508393841]
[2024-12-02 13:19:39,951 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508393841] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:19:39,951 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:19:39,951 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:19:39,952 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850234764]
[2024-12-02 13:19:39,952 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:19:39,954 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:19:39,954 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:19:39,957 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:19:39,957 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:19:39,958 INFO  L87              Difference]: Start difference. First operand 6679 states and 10071 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:40,036 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:19:40,036 INFO  L93              Difference]: Finished difference Result 12625 states and 19044 transitions.
[2024-12-02 13:19:40,036 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:19:40,037 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3115
[2024-12-02 13:19:40,038 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:19:40,043 INFO  L225             Difference]: With dead ends: 12625
[2024-12-02 13:19:40,043 INFO  L226             Difference]: Without dead ends: 6680
[2024-12-02 13:19:40,047 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
[2024-12-02 13:19:40,048 INFO  L435           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:19:40,048 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:19:40,057 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6680 states.
[2024-12-02 13:19:40,113 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6680 to 6680.
[2024-12-02 13:19:40,118 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6680 states, 6679 states have (on average 1.508010181164845) internal successors, (10072), 6679 states have internal predecessors, (10072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:40,126 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6680 states to 6680 states and 10072 transitions.
[2024-12-02 13:19:40,126 INFO  L78                 Accepts]: Start accepts. Automaton has 6680 states and 10072 transitions. Word has length 3115
[2024-12-02 13:19:40,127 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:19:40,127 INFO  L471      AbstractCegarLoop]: Abstraction has 6680 states and 10072 transitions.
[2024-12-02 13:19:40,128 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:40,128 INFO  L276                IsEmpty]: Start isEmpty. Operand 6680 states and 10072 transitions.
[2024-12-02 13:19:40,176 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-12-02 13:19:40,176 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:19:40,177 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:19:40,177 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 13:19:40,177 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:19:40,178 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:19:40,179 INFO  L85        PathProgramCache]: Analyzing trace with hash 169358937, now seen corresponding path program 1 times
[2024-12-02 13:19:40,179 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:19:40,179 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198603604]
[2024-12-02 13:19:40,179 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:19:40,179 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:19:43,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:19:49,675 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked.
[2024-12-02 13:19:49,675 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:19:49,675 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198603604]
[2024-12-02 13:19:49,675 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198603604] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:19:49,675 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:19:49,676 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:19:49,676 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009983832]
[2024-12-02 13:19:49,676 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:19:49,679 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:19:49,679 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:19:49,682 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:19:49,682 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:19:49,683 INFO  L87              Difference]: Start difference. First operand 6680 states and 10072 transitions. Second operand  has 4 states, 4 states have (on average 710.0) internal successors, (2840), 4 states have internal predecessors, (2840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:49,792 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:19:49,792 INFO  L93              Difference]: Finished difference Result 12632 states and 19053 transitions.
[2024-12-02 13:19:49,793 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:19:49,793 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 710.0) internal successors, (2840), 4 states have internal predecessors, (2840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3115
[2024-12-02 13:19:49,796 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:19:49,802 INFO  L225             Difference]: With dead ends: 12632
[2024-12-02 13:19:49,802 INFO  L226             Difference]: Without dead ends: 6684
[2024-12-02 13:19:49,807 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:19:49,807 INFO  L435           NwaCegarLoop]: 9223 mSDtfsCounter, 0 mSDsluCounter, 18436 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27659 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:19:49,808 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27659 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:19:49,817 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6684 states.
[2024-12-02 13:19:49,877 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6684 to 6682.
[2024-12-02 13:19:49,884 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6682 states, 6681 states have (on average 1.5078581050740907) internal successors, (10074), 6681 states have internal predecessors, (10074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:49,897 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6682 states to 6682 states and 10074 transitions.
[2024-12-02 13:19:49,897 INFO  L78                 Accepts]: Start accepts. Automaton has 6682 states and 10074 transitions. Word has length 3115
[2024-12-02 13:19:49,899 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:19:49,899 INFO  L471      AbstractCegarLoop]: Abstraction has 6682 states and 10074 transitions.
[2024-12-02 13:19:49,900 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 710.0) internal successors, (2840), 4 states have internal predecessors, (2840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:19:49,900 INFO  L276                IsEmpty]: Start isEmpty. Operand 6682 states and 10074 transitions.
[2024-12-02 13:19:50,002 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3117
[2024-12-02 13:19:50,002 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:19:50,004 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:19:50,004 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 13:19:50,004 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:19:50,006 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:19:50,007 INFO  L85        PathProgramCache]: Analyzing trace with hash 2069355350, now seen corresponding path program 1 times
[2024-12-02 13:19:50,008 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:19:50,008 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251749508]
[2024-12-02 13:19:50,008 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:19:50,009 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:19:52,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:00,046 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:20:00,046 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:20:00,046 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251749508]
[2024-12-02 13:20:00,046 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251749508] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:20:00,046 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:20:00,047 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:20:00,047 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438074218]
[2024-12-02 13:20:00,047 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:20:00,049 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:20:00,049 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:20:00,050 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:20:00,051 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:20:00,051 INFO  L87              Difference]: Start difference. First operand 6682 states and 10074 transitions. Second operand  has 4 states, 4 states have (on average 779.0) internal successors, (3116), 4 states have internal predecessors, (3116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:02,903 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:02,903 INFO  L93              Difference]: Finished difference Result 12506 states and 18924 transitions.
[2024-12-02 13:20:02,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:20:02,904 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 779.0) internal successors, (3116), 4 states have internal predecessors, (3116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3116
[2024-12-02 13:20:02,906 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:20:02,910 INFO  L225             Difference]: With dead ends: 12506
[2024-12-02 13:20:02,910 INFO  L226             Difference]: Without dead ends: 6558
[2024-12-02 13:20:02,913 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:20:02,914 INFO  L435           NwaCegarLoop]: 7690 mSDtfsCounter, 7026 mSDsluCounter, 7687 mSDsCounter, 0 mSdLazyCounter, 2563 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7026 SdHoareTripleChecker+Valid, 15377 SdHoareTripleChecker+Invalid, 2688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time
[2024-12-02 13:20:02,914 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7026 Valid, 15377 Invalid, 2688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2563 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time]
[2024-12-02 13:20:02,919 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6558 states.
[2024-12-02 13:20:02,963 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6558 to 6558.
[2024-12-02 13:20:02,968 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6558 states, 6557 states have (on average 1.4982461491535763) internal successors, (9824), 6557 states have internal predecessors, (9824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:02,975 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6558 states to 6558 states and 9824 transitions.
[2024-12-02 13:20:02,976 INFO  L78                 Accepts]: Start accepts. Automaton has 6558 states and 9824 transitions. Word has length 3116
[2024-12-02 13:20:02,977 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:20:02,977 INFO  L471      AbstractCegarLoop]: Abstraction has 6558 states and 9824 transitions.
[2024-12-02 13:20:02,977 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 779.0) internal successors, (3116), 4 states have internal predecessors, (3116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:02,977 INFO  L276                IsEmpty]: Start isEmpty. Operand 6558 states and 9824 transitions.
[2024-12-02 13:20:03,025 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3118
[2024-12-02 13:20:03,025 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:20:03,027 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:03,027 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 13:20:03,027 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:20:03,028 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:03,030 INFO  L85        PathProgramCache]: Analyzing trace with hash -264874489, now seen corresponding path program 1 times
[2024-12-02 13:20:03,030 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:20:03,030 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066155087]
[2024-12-02 13:20:03,031 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:03,031 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:06,191 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:11,247 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:20:11,247 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:20:11,247 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066155087]
[2024-12-02 13:20:11,247 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066155087] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:20:11,247 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:20:11,247 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:20:11,248 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381376897]
[2024-12-02 13:20:11,248 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:20:11,250 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:20:11,250 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:20:11,252 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:20:11,252 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:20:11,253 INFO  L87              Difference]: Start difference. First operand 6558 states and 9824 transitions. Second operand  has 4 states, 4 states have (on average 779.25) internal successors, (3117), 4 states have internal predecessors, (3117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:12,603 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:12,603 INFO  L93              Difference]: Finished difference Result 12385 states and 18552 transitions.
[2024-12-02 13:20:12,604 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:20:12,604 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 779.25) internal successors, (3117), 4 states have internal predecessors, (3117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3117
[2024-12-02 13:20:12,606 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:20:12,610 INFO  L225             Difference]: With dead ends: 12385
[2024-12-02 13:20:12,610 INFO  L226             Difference]: Without dead ends: 6558
[2024-12-02 13:20:12,614 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:20:12,614 INFO  L435           NwaCegarLoop]: 8245 mSDtfsCounter, 7020 mSDsluCounter, 8237 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7020 SdHoareTripleChecker+Valid, 16482 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:20:12,615 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7020 Valid, 16482 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1468 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:20:12,620 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6558 states.
[2024-12-02 13:20:12,663 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6558 to 6558.
[2024-12-02 13:20:12,668 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6558 states, 6557 states have (on average 1.4980936403843221) internal successors, (9823), 6557 states have internal predecessors, (9823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:12,674 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6558 states to 6558 states and 9823 transitions.
[2024-12-02 13:20:12,675 INFO  L78                 Accepts]: Start accepts. Automaton has 6558 states and 9823 transitions. Word has length 3117
[2024-12-02 13:20:12,676 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:20:12,676 INFO  L471      AbstractCegarLoop]: Abstraction has 6558 states and 9823 transitions.
[2024-12-02 13:20:12,676 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 779.25) internal successors, (3117), 4 states have internal predecessors, (3117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:12,677 INFO  L276                IsEmpty]: Start isEmpty. Operand 6558 states and 9823 transitions.
[2024-12-02 13:20:12,724 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3119
[2024-12-02 13:20:12,724 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:20:12,726 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:12,726 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 13:20:12,726 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:20:12,727 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:12,728 INFO  L85        PathProgramCache]: Analyzing trace with hash 279790334, now seen corresponding path program 1 times
[2024-12-02 13:20:12,728 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:20:12,728 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524015002]
[2024-12-02 13:20:12,729 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:12,729 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:15,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:20,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:20:20,431 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:20:20,431 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524015002]
[2024-12-02 13:20:20,432 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524015002] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:20:20,432 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:20:20,432 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 13:20:20,432 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109822972]
[2024-12-02 13:20:20,432 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:20:20,435 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 13:20:20,435 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:20:20,438 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 13:20:20,438 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:20:20,439 INFO  L87              Difference]: Start difference. First operand 6558 states and 9823 transitions. Second operand  has 6 states, 6 states have (on average 519.6666666666666) internal successors, (3118), 6 states have internal predecessors, (3118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:22,823 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:22,823 INFO  L93              Difference]: Finished difference Result 15519 states and 23247 transitions.
[2024-12-02 13:20:22,824 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 13:20:22,824 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 519.6666666666666) internal successors, (3118), 6 states have internal predecessors, (3118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3118
[2024-12-02 13:20:22,826 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:20:22,831 INFO  L225             Difference]: With dead ends: 15519
[2024-12-02 13:20:22,831 INFO  L226             Difference]: Without dead ends: 6558
[2024-12-02 13:20:22,836 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2024-12-02 13:20:22,837 INFO  L435           NwaCegarLoop]: 8809 mSDtfsCounter, 16183 mSDsluCounter, 25223 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16183 SdHoareTripleChecker+Valid, 34032 SdHoareTripleChecker+Invalid, 1977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:20:22,837 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16183 Valid, 34032 Invalid, 1977 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [125 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 13:20:22,843 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6558 states.
[2024-12-02 13:20:22,888 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6558 to 6558.
[2024-12-02 13:20:22,893 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6558 states, 6557 states have (on average 1.497941131615068) internal successors, (9822), 6557 states have internal predecessors, (9822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:22,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6558 states to 6558 states and 9822 transitions.
[2024-12-02 13:20:22,900 INFO  L78                 Accepts]: Start accepts. Automaton has 6558 states and 9822 transitions. Word has length 3118
[2024-12-02 13:20:22,901 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:20:22,901 INFO  L471      AbstractCegarLoop]: Abstraction has 6558 states and 9822 transitions.
[2024-12-02 13:20:22,901 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 519.6666666666666) internal successors, (3118), 6 states have internal predecessors, (3118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:22,902 INFO  L276                IsEmpty]: Start isEmpty. Operand 6558 states and 9822 transitions.
[2024-12-02 13:20:22,949 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3120
[2024-12-02 13:20:22,949 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:20:22,950 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:22,951 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 13:20:22,951 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:20:22,952 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:22,953 INFO  L85        PathProgramCache]: Analyzing trace with hash -2095565418, now seen corresponding path program 1 times
[2024-12-02 13:20:22,953 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:20:22,953 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991584823]
[2024-12-02 13:20:22,954 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:22,954 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:23,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:26,587 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:20:26,587 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:20:26,587 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991584823]
[2024-12-02 13:20:26,587 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991584823] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:20:26,587 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:20:26,588 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:20:26,588 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551044614]
[2024-12-02 13:20:26,588 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:20:26,591 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:20:26,591 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:20:26,592 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:20:26,593 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:20:26,593 INFO  L87              Difference]: Start difference. First operand 6558 states and 9822 transitions. Second operand  has 4 states, 4 states have (on average 779.75) internal successors, (3119), 4 states have internal predecessors, (3119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:29,182 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:29,182 INFO  L93              Difference]: Finished difference Result 15499 states and 23223 transitions.
[2024-12-02 13:20:29,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:20:29,184 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 779.75) internal successors, (3119), 4 states have internal predecessors, (3119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3119
[2024-12-02 13:20:29,186 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:20:29,193 INFO  L225             Difference]: With dead ends: 15499
[2024-12-02 13:20:29,193 INFO  L226             Difference]: Without dead ends: 6558
[2024-12-02 13:20:29,200 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:20:29,200 INFO  L435           NwaCegarLoop]: 8568 mSDtfsCounter, 2852 mSDsluCounter, 16279 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2852 SdHoareTripleChecker+Valid, 24847 SdHoareTripleChecker+Invalid, 2327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:20:29,201 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2852 Valid, 24847 Invalid, 2327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 2062 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 13:20:29,208 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6558 states.
[2024-12-02 13:20:29,261 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6558 to 6558.
[2024-12-02 13:20:29,266 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6558 states, 6557 states have (on average 1.4977886228458137) internal successors, (9821), 6557 states have internal predecessors, (9821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:29,273 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6558 states to 6558 states and 9821 transitions.
[2024-12-02 13:20:29,274 INFO  L78                 Accepts]: Start accepts. Automaton has 6558 states and 9821 transitions. Word has length 3119
[2024-12-02 13:20:29,274 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:20:29,274 INFO  L471      AbstractCegarLoop]: Abstraction has 6558 states and 9821 transitions.
[2024-12-02 13:20:29,275 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 779.75) internal successors, (3119), 4 states have internal predecessors, (3119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:29,275 INFO  L276                IsEmpty]: Start isEmpty. Operand 6558 states and 9821 transitions.
[2024-12-02 13:20:29,322 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3120
[2024-12-02 13:20:29,322 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:20:29,323 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:29,324 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 13:20:29,324 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:20:29,325 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:29,325 INFO  L85        PathProgramCache]: Analyzing trace with hash 1270396903, now seen corresponding path program 1 times
[2024-12-02 13:20:29,326 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:20:29,326 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851818588]
[2024-12-02 13:20:29,326 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:29,326 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:32,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:41,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:20:41,353 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:20:41,353 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851818588]
[2024-12-02 13:20:41,353 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851818588] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:20:41,353 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:20:41,353 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 13:20:41,353 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276417733]
[2024-12-02 13:20:41,353 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:20:41,355 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 13:20:41,355 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:20:41,357 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 13:20:41,357 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:20:41,358 INFO  L87              Difference]: Start difference. First operand 6558 states and 9821 transitions. Second operand  has 6 states, 6 states have (on average 519.8333333333334) internal successors, (3119), 6 states have internal predecessors, (3119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:47,030 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:47,030 INFO  L93              Difference]: Finished difference Result 12388 states and 18551 transitions.
[2024-12-02 13:20:47,031 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:20:47,032 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 519.8333333333334) internal successors, (3119), 6 states have internal predecessors, (3119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3119
[2024-12-02 13:20:47,032 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:20:47,037 INFO  L225             Difference]: With dead ends: 12388
[2024-12-02 13:20:47,037 INFO  L226             Difference]: Without dead ends: 6564
[2024-12-02 13:20:47,042 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:20:47,043 INFO  L435           NwaCegarLoop]: 6993 mSDtfsCounter, 8605 mSDsluCounter, 13978 mSDsCounter, 0 mSdLazyCounter, 5932 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8605 SdHoareTripleChecker+Valid, 20971 SdHoareTripleChecker+Invalid, 5933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:20:47,043 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8605 Valid, 20971 Invalid, 5933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5932 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time]
[2024-12-02 13:20:47,050 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6564 states.
[2024-12-02 13:20:47,112 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6564 to 6558.
[2024-12-02 13:20:47,117 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6558 states, 6557 states have (on average 1.4976361140765595) internal successors, (9820), 6557 states have internal predecessors, (9820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:47,124 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6558 states to 6558 states and 9820 transitions.
[2024-12-02 13:20:47,125 INFO  L78                 Accepts]: Start accepts. Automaton has 6558 states and 9820 transitions. Word has length 3119
[2024-12-02 13:20:47,125 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:20:47,125 INFO  L471      AbstractCegarLoop]: Abstraction has 6558 states and 9820 transitions.
[2024-12-02 13:20:47,126 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 519.8333333333334) internal successors, (3119), 6 states have internal predecessors, (3119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:47,126 INFO  L276                IsEmpty]: Start isEmpty. Operand 6558 states and 9820 transitions.
[2024-12-02 13:20:47,173 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3121
[2024-12-02 13:20:47,173 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:20:47,174 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:47,174 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 13:20:47,174 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:20:47,175 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:47,176 INFO  L85        PathProgramCache]: Analyzing trace with hash 1175608966, now seen corresponding path program 1 times
[2024-12-02 13:20:47,176 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:20:47,176 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844656346]
[2024-12-02 13:20:47,177 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:47,177 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:50,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:56,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:20:56,312 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:20:56,312 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844656346]
[2024-12-02 13:20:56,312 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844656346] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:20:56,312 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:20:56,312 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:20:56,312 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468331177]
[2024-12-02 13:20:56,312 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:20:56,314 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:20:56,314 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:20:56,316 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:20:56,316 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:20:56,317 INFO  L87              Difference]: Start difference. First operand 6558 states and 9820 transitions. Second operand  has 5 states, 5 states have (on average 624.0) internal successors, (3120), 5 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:56,540 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:56,540 INFO  L93              Difference]: Finished difference Result 12383 states and 18542 transitions.
[2024-12-02 13:20:56,541 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:20:56,541 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 624.0) internal successors, (3120), 5 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3120
[2024-12-02 13:20:56,542 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:20:56,546 INFO  L225             Difference]: With dead ends: 12383
[2024-12-02 13:20:56,546 INFO  L226             Difference]: Without dead ends: 6559
[2024-12-02 13:20:56,551 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:20:56,552 INFO  L435           NwaCegarLoop]: 8933 mSDtfsCounter, 8584 mSDsluCounter, 17861 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8584 SdHoareTripleChecker+Valid, 26794 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:20:56,552 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8584 Valid, 26794 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:20:56,560 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6559 states.
[2024-12-02 13:20:56,761 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6559 to 6559.
[2024-12-02 13:20:56,768 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6559 states, 6558 states have (on average 1.497560231777981) internal successors, (9821), 6558 states have internal predecessors, (9821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:56,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6559 states to 6559 states and 9821 transitions.
[2024-12-02 13:20:56,778 INFO  L78                 Accepts]: Start accepts. Automaton has 6559 states and 9821 transitions. Word has length 3120
[2024-12-02 13:20:56,779 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:20:56,779 INFO  L471      AbstractCegarLoop]: Abstraction has 6559 states and 9821 transitions.
[2024-12-02 13:20:56,779 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 624.0) internal successors, (3120), 5 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:56,779 INFO  L276                IsEmpty]: Start isEmpty. Operand 6559 states and 9821 transitions.
[2024-12-02 13:20:56,826 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3121
[2024-12-02 13:20:56,826 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:20:56,827 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:56,828 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 13:20:56,828 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:20:56,829 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:56,829 INFO  L85        PathProgramCache]: Analyzing trace with hash 1207595718, now seen corresponding path program 1 times
[2024-12-02 13:20:56,830 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:20:56,830 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989012838]
[2024-12-02 13:20:56,830 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:56,830 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:59,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:21:04,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:21:04,679 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:21:04,679 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989012838]
[2024-12-02 13:21:04,679 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989012838] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:21:04,679 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:21:04,679 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:21:04,680 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153685660]
[2024-12-02 13:21:04,680 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:21:04,682 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:21:04,682 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:21:04,685 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:21:04,685 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:21:04,686 INFO  L87              Difference]: Start difference. First operand 6559 states and 9821 transitions. Second operand  has 5 states, 5 states have (on average 624.0) internal successors, (3120), 5 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:05,992 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:21:05,992 INFO  L93              Difference]: Finished difference Result 12384 states and 18542 transitions.
[2024-12-02 13:21:05,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:21:05,993 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 624.0) internal successors, (3120), 5 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3120
[2024-12-02 13:21:05,994 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:21:05,998 INFO  L225             Difference]: With dead ends: 12384
[2024-12-02 13:21:05,998 INFO  L226             Difference]: Without dead ends: 6559
[2024-12-02 13:21:06,002 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:21:06,003 INFO  L435           NwaCegarLoop]: 8207 mSDtfsCounter, 17403 mSDsluCounter, 8204 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17403 SdHoareTripleChecker+Valid, 16411 SdHoareTripleChecker+Invalid, 1521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:21:06,003 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17403 Valid, 16411 Invalid, 1521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:21:06,008 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6559 states.
[2024-12-02 13:21:06,055 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6559 to 6559.
[2024-12-02 13:21:06,061 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6559 states, 6558 states have (on average 1.4974077462641049) internal successors, (9820), 6558 states have internal predecessors, (9820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:06,068 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6559 states to 6559 states and 9820 transitions.
[2024-12-02 13:21:06,068 INFO  L78                 Accepts]: Start accepts. Automaton has 6559 states and 9820 transitions. Word has length 3120
[2024-12-02 13:21:06,069 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:21:06,069 INFO  L471      AbstractCegarLoop]: Abstraction has 6559 states and 9820 transitions.
[2024-12-02 13:21:06,069 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 624.0) internal successors, (3120), 5 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:06,070 INFO  L276                IsEmpty]: Start isEmpty. Operand 6559 states and 9820 transitions.
[2024-12-02 13:21:06,145 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3122
[2024-12-02 13:21:06,145 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:21:06,146 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:21:06,146 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 13:21:06,146 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:21:06,147 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:21:06,148 INFO  L85        PathProgramCache]: Analyzing trace with hash -2032509246, now seen corresponding path program 1 times
[2024-12-02 13:21:06,148 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:21:06,149 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314192534]
[2024-12-02 13:21:06,149 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:21:06,149 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:21:06,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:21:10,124 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:21:10,124 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:21:10,124 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314192534]
[2024-12-02 13:21:10,124 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314192534] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:21:10,124 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:21:10,125 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:21:10,125 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49160589]
[2024-12-02 13:21:10,125 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:21:10,129 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:21:10,129 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:21:10,133 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:21:10,133 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:21:10,134 INFO  L87              Difference]: Start difference. First operand 6559 states and 9820 transitions. Second operand  has 4 states, 4 states have (on average 780.25) internal successors, (3121), 4 states have internal predecessors, (3121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:12,846 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:21:12,847 INFO  L93              Difference]: Finished difference Result 15358 states and 23004 transitions.
[2024-12-02 13:21:12,847 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:21:12,848 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 780.25) internal successors, (3121), 4 states have internal predecessors, (3121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3121
[2024-12-02 13:21:12,850 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:21:12,856 INFO  L225             Difference]: With dead ends: 15358
[2024-12-02 13:21:12,856 INFO  L226             Difference]: Without dead ends: 6559
[2024-12-02 13:21:12,861 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:21:12,862 INFO  L435           NwaCegarLoop]: 8577 mSDtfsCounter, 2718 mSDsluCounter, 16287 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2718 SdHoareTripleChecker+Valid, 24864 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:21:12,862 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2718 Valid, 24864 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 2036 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 13:21:12,870 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6559 states.
[2024-12-02 13:21:12,940 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6559 to 6559.
[2024-12-02 13:21:12,945 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6559 states, 6558 states have (on average 1.4972552607502287) internal successors, (9819), 6558 states have internal predecessors, (9819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:12,956 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6559 states to 6559 states and 9819 transitions.
[2024-12-02 13:21:12,957 INFO  L78                 Accepts]: Start accepts. Automaton has 6559 states and 9819 transitions. Word has length 3121
[2024-12-02 13:21:12,957 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:21:12,957 INFO  L471      AbstractCegarLoop]: Abstraction has 6559 states and 9819 transitions.
[2024-12-02 13:21:12,958 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 780.25) internal successors, (3121), 4 states have internal predecessors, (3121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:12,958 INFO  L276                IsEmpty]: Start isEmpty. Operand 6559 states and 9819 transitions.
[2024-12-02 13:21:13,091 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3122
[2024-12-02 13:21:13,091 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:21:13,092 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:21:13,092 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 13:21:13,092 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:21:13,093 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:21:13,094 INFO  L85        PathProgramCache]: Analyzing trace with hash 304728595, now seen corresponding path program 1 times
[2024-12-02 13:21:13,094 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:21:13,094 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071132317]
[2024-12-02 13:21:13,095 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:21:13,095 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:21:14,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:21:18,623 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:21:18,623 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:21:18,623 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071132317]
[2024-12-02 13:21:18,623 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071132317] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:21:18,623 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:21:18,623 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:21:18,624 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177618759]
[2024-12-02 13:21:18,624 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:21:18,625 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:21:18,625 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:21:18,627 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:21:18,628 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:21:18,628 INFO  L87              Difference]: Start difference. First operand 6559 states and 9819 transitions. Second operand  has 5 states, 5 states have (on average 624.2) internal successors, (3121), 5 states have internal predecessors, (3121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:21,218 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:21:21,218 INFO  L93              Difference]: Finished difference Result 12384 states and 18538 transitions.
[2024-12-02 13:21:21,219 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:21:21,220 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 624.2) internal successors, (3121), 5 states have internal predecessors, (3121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3121
[2024-12-02 13:21:21,220 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:21:21,226 INFO  L225             Difference]: With dead ends: 12384
[2024-12-02 13:21:21,226 INFO  L226             Difference]: Without dead ends: 6559
[2024-12-02 13:21:21,230 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:21:21,231 INFO  L435           NwaCegarLoop]: 7717 mSDtfsCounter, 17790 mSDsluCounter, 7711 mSDsCounter, 0 mSdLazyCounter, 2499 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17790 SdHoareTripleChecker+Valid, 15428 SdHoareTripleChecker+Invalid, 2504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:21:21,231 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17790 Valid, 15428 Invalid, 2504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2499 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 13:21:21,239 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6559 states.
[2024-12-02 13:21:21,360 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6559 to 6559.
[2024-12-02 13:21:21,366 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6559 states, 6558 states have (on average 1.4971027752363526) internal successors, (9818), 6558 states have internal predecessors, (9818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:21,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6559 states to 6559 states and 9818 transitions.
[2024-12-02 13:21:21,373 INFO  L78                 Accepts]: Start accepts. Automaton has 6559 states and 9818 transitions. Word has length 3121
[2024-12-02 13:21:21,373 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:21:21,373 INFO  L471      AbstractCegarLoop]: Abstraction has 6559 states and 9818 transitions.
[2024-12-02 13:21:21,374 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 624.2) internal successors, (3121), 5 states have internal predecessors, (3121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:21,374 INFO  L276                IsEmpty]: Start isEmpty. Operand 6559 states and 9818 transitions.
[2024-12-02 13:21:21,421 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3123
[2024-12-02 13:21:21,421 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:21:21,422 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:21:21,422 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 13:21:21,422 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:21:21,423 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:21:21,424 INFO  L85        PathProgramCache]: Analyzing trace with hash 859570894, now seen corresponding path program 1 times
[2024-12-02 13:21:21,424 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:21:21,424 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553370301]
[2024-12-02 13:21:21,424 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:21:21,424 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:21:24,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:21:29,207 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:21:29,208 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:21:29,208 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553370301]
[2024-12-02 13:21:29,208 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553370301] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:21:29,208 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:21:29,208 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:21:29,208 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417481438]
[2024-12-02 13:21:29,208 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:21:29,210 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:21:29,210 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:21:29,211 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:21:29,212 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:21:29,212 INFO  L87              Difference]: Start difference. First operand 6559 states and 9818 transitions. Second operand  has 5 states, 5 states have (on average 624.4) internal successors, (3122), 5 states have internal predecessors, (3122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:29,427 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:21:29,427 INFO  L93              Difference]: Finished difference Result 12385 states and 18538 transitions.
[2024-12-02 13:21:29,428 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:21:29,429 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 624.4) internal successors, (3122), 5 states have internal predecessors, (3122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3122
[2024-12-02 13:21:29,429 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:21:29,434 INFO  L225             Difference]: With dead ends: 12385
[2024-12-02 13:21:29,434 INFO  L226             Difference]: Without dead ends: 6560
[2024-12-02 13:21:29,438 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:21:29,439 INFO  L435           NwaCegarLoop]: 8929 mSDtfsCounter, 8507 mSDsluCounter, 17853 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8507 SdHoareTripleChecker+Valid, 26782 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:21:29,439 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8507 Valid, 26782 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:21:29,445 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6560 states.
[2024-12-02 13:21:29,488 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6560 to 6560.
[2024-12-02 13:21:29,493 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6560 states, 6559 states have (on average 1.4970269858210092) internal successors, (9819), 6559 states have internal predecessors, (9819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:29,500 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6560 states to 6560 states and 9819 transitions.
[2024-12-02 13:21:29,500 INFO  L78                 Accepts]: Start accepts. Automaton has 6560 states and 9819 transitions. Word has length 3122
[2024-12-02 13:21:29,500 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:21:29,501 INFO  L471      AbstractCegarLoop]: Abstraction has 6560 states and 9819 transitions.
[2024-12-02 13:21:29,501 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 624.4) internal successors, (3122), 5 states have internal predecessors, (3122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:29,501 INFO  L276                IsEmpty]: Start isEmpty. Operand 6560 states and 9819 transitions.
[2024-12-02 13:21:29,548 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3123
[2024-12-02 13:21:29,548 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:21:29,549 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:21:29,549 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 13:21:29,549 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:21:29,550 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:21:29,551 INFO  L85        PathProgramCache]: Analyzing trace with hash -597797106, now seen corresponding path program 1 times
[2024-12-02 13:21:29,551 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:21:29,551 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324591491]
[2024-12-02 13:21:29,552 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:21:29,552 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:21:32,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:21:36,923 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:21:36,923 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:21:36,923 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324591491]
[2024-12-02 13:21:36,923 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324591491] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:21:36,923 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:21:36,923 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:21:36,923 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027080388]
[2024-12-02 13:21:36,923 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:21:36,926 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:21:36,926 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:21:36,928 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:21:36,928 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:21:36,929 INFO  L87              Difference]: Start difference. First operand 6560 states and 9819 transitions. Second operand  has 5 states, 5 states have (on average 624.4) internal successors, (3122), 5 states have internal predecessors, (3122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:38,283 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:21:38,283 INFO  L93              Difference]: Finished difference Result 12386 states and 18538 transitions.
[2024-12-02 13:21:38,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:21:38,284 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 624.4) internal successors, (3122), 5 states have internal predecessors, (3122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3122
[2024-12-02 13:21:38,284 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:21:38,288 INFO  L225             Difference]: With dead ends: 12386
[2024-12-02 13:21:38,289 INFO  L226             Difference]: Without dead ends: 6560
[2024-12-02 13:21:38,292 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:21:38,292 INFO  L435           NwaCegarLoop]: 8206 mSDtfsCounter, 8889 mSDsluCounter, 8204 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8889 SdHoareTripleChecker+Valid, 16410 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:21:38,292 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8889 Valid, 16410 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:21:38,298 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6560 states.
[2024-12-02 13:21:38,341 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6560 to 6560.
[2024-12-02 13:21:38,347 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6560 states, 6559 states have (on average 1.49687452355542) internal successors, (9818), 6559 states have internal predecessors, (9818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:38,354 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6560 states to 6560 states and 9818 transitions.
[2024-12-02 13:21:38,354 INFO  L78                 Accepts]: Start accepts. Automaton has 6560 states and 9818 transitions. Word has length 3122
[2024-12-02 13:21:38,354 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:21:38,354 INFO  L471      AbstractCegarLoop]: Abstraction has 6560 states and 9818 transitions.
[2024-12-02 13:21:38,355 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 624.4) internal successors, (3122), 5 states have internal predecessors, (3122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:38,355 INFO  L276                IsEmpty]: Start isEmpty. Operand 6560 states and 9818 transitions.
[2024-12-02 13:21:38,401 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3124
[2024-12-02 13:21:38,401 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:21:38,403 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:21:38,403 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 13:21:38,403 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:21:38,404 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:21:38,405 INFO  L85        PathProgramCache]: Analyzing trace with hash -1025272422, now seen corresponding path program 1 times
[2024-12-02 13:21:38,405 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:21:38,405 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988277273]
[2024-12-02 13:21:38,405 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:21:38,405 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:21:38,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:21:42,075 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:21:42,076 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:21:42,076 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988277273]
[2024-12-02 13:21:42,076 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988277273] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:21:42,076 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:21:42,076 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:21:42,076 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690411593]
[2024-12-02 13:21:42,076 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:21:42,078 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:21:42,078 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:21:42,080 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:21:42,080 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:21:42,080 INFO  L87              Difference]: Start difference. First operand 6560 states and 9818 transitions. Second operand  has 4 states, 4 states have (on average 780.75) internal successors, (3123), 4 states have internal predecessors, (3123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:44,356 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:21:44,357 INFO  L93              Difference]: Finished difference Result 15340 states and 22970 transitions.
[2024-12-02 13:21:44,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:21:44,358 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 780.75) internal successors, (3123), 4 states have internal predecessors, (3123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3123
[2024-12-02 13:21:44,359 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:21:44,364 INFO  L225             Difference]: With dead ends: 15340
[2024-12-02 13:21:44,364 INFO  L226             Difference]: Without dead ends: 6560
[2024-12-02 13:21:44,369 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:21:44,370 INFO  L435           NwaCegarLoop]: 8580 mSDtfsCounter, 2702 mSDsluCounter, 16289 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2702 SdHoareTripleChecker+Valid, 24869 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:21:44,370 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2702 Valid, 24869 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 13:21:44,376 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6560 states.
[2024-12-02 13:21:44,419 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6560 to 6560.
[2024-12-02 13:21:44,424 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6560 states, 6559 states have (on average 1.4967220612898309) internal successors, (9817), 6559 states have internal predecessors, (9817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:44,430 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6560 states to 6560 states and 9817 transitions.
[2024-12-02 13:21:44,431 INFO  L78                 Accepts]: Start accepts. Automaton has 6560 states and 9817 transitions. Word has length 3123
[2024-12-02 13:21:44,431 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:21:44,431 INFO  L471      AbstractCegarLoop]: Abstraction has 6560 states and 9817 transitions.
[2024-12-02 13:21:44,432 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 780.75) internal successors, (3123), 4 states have internal predecessors, (3123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:44,432 INFO  L276                IsEmpty]: Start isEmpty. Operand 6560 states and 9817 transitions.
[2024-12-02 13:21:44,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3124
[2024-12-02 13:21:44,478 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:21:44,479 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:21:44,479 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 13:21:44,479 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:21:44,480 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:21:44,481 INFO  L85        PathProgramCache]: Analyzing trace with hash -1506754005, now seen corresponding path program 1 times
[2024-12-02 13:21:44,481 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:21:44,481 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049149335]
[2024-12-02 13:21:44,481 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:21:44,481 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:21:45,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:21:50,451 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:21:50,451 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:21:50,452 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049149335]
[2024-12-02 13:21:50,452 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049149335] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:21:50,452 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:21:50,452 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:21:50,452 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397400913]
[2024-12-02 13:21:50,452 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:21:50,454 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:21:50,454 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:21:50,455 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:21:50,455 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:21:50,456 INFO  L87              Difference]: Start difference. First operand 6560 states and 9817 transitions. Second operand  has 5 states, 5 states have (on average 624.6) internal successors, (3123), 5 states have internal predecessors, (3123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:52,948 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:21:52,948 INFO  L93              Difference]: Finished difference Result 12386 states and 18534 transitions.
[2024-12-02 13:21:52,949 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:21:52,950 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 624.6) internal successors, (3123), 5 states have internal predecessors, (3123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3123
[2024-12-02 13:21:52,950 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:21:52,955 INFO  L225             Difference]: With dead ends: 12386
[2024-12-02 13:21:52,955 INFO  L226             Difference]: Without dead ends: 6560
[2024-12-02 13:21:52,958 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:21:52,959 INFO  L435           NwaCegarLoop]: 7716 mSDtfsCounter, 17760 mSDsluCounter, 7710 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17760 SdHoareTripleChecker+Valid, 15426 SdHoareTripleChecker+Invalid, 2500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:21:52,959 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17760 Valid, 15426 Invalid, 2500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 13:21:52,965 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6560 states.
[2024-12-02 13:21:53,009 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6560 to 6560.
[2024-12-02 13:21:53,015 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6560 states, 6559 states have (on average 1.4965695990242416) internal successors, (9816), 6559 states have internal predecessors, (9816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:53,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6560 states to 6560 states and 9816 transitions.
[2024-12-02 13:21:53,022 INFO  L78                 Accepts]: Start accepts. Automaton has 6560 states and 9816 transitions. Word has length 3123
[2024-12-02 13:21:53,023 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:21:53,023 INFO  L471      AbstractCegarLoop]: Abstraction has 6560 states and 9816 transitions.
[2024-12-02 13:21:53,023 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 624.6) internal successors, (3123), 5 states have internal predecessors, (3123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:21:53,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 6560 states and 9816 transitions.
[2024-12-02 13:21:53,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3125
[2024-12-02 13:21:53,070 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:21:53,071 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:21:53,071 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-12-02 13:21:53,071 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:21:53,071 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:21:53,072 INFO  L85        PathProgramCache]: Analyzing trace with hash 1199817494, now seen corresponding path program 1 times
[2024-12-02 13:21:53,072 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:21:53,072 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433811367]
[2024-12-02 13:21:53,072 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:21:53,072 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:21:55,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:22:00,247 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:22:00,248 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:22:00,248 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433811367]
[2024-12-02 13:22:00,248 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433811367] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:22:00,248 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:22:00,248 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:22:00,248 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149054169]
[2024-12-02 13:22:00,248 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:22:00,250 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:22:00,250 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:22:00,252 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:22:00,252 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:22:00,252 INFO  L87              Difference]: Start difference. First operand 6560 states and 9816 transitions. Second operand  has 5 states, 5 states have (on average 624.8) internal successors, (3124), 5 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:00,493 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:22:00,493 INFO  L93              Difference]: Finished difference Result 12387 states and 18534 transitions.
[2024-12-02 13:22:00,494 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:22:00,495 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 624.8) internal successors, (3124), 5 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3124
[2024-12-02 13:22:00,495 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:22:00,500 INFO  L225             Difference]: With dead ends: 12387
[2024-12-02 13:22:00,500 INFO  L226             Difference]: Without dead ends: 6561
[2024-12-02 13:22:00,504 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:22:00,504 INFO  L435           NwaCegarLoop]: 8927 mSDtfsCounter, 8492 mSDsluCounter, 17849 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8492 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:22:00,504 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8492 Valid, 26776 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:22:00,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6561 states.
[2024-12-02 13:22:00,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6561 to 6561.
[2024-12-02 13:22:00,560 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6561 states, 6560 states have (on average 1.4964939024390245) internal successors, (9817), 6560 states have internal predecessors, (9817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:00,566 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6561 states to 6561 states and 9817 transitions.
[2024-12-02 13:22:00,566 INFO  L78                 Accepts]: Start accepts. Automaton has 6561 states and 9817 transitions. Word has length 3124
[2024-12-02 13:22:00,567 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:22:00,567 INFO  L471      AbstractCegarLoop]: Abstraction has 6561 states and 9817 transitions.
[2024-12-02 13:22:00,567 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 624.8) internal successors, (3124), 5 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:00,567 INFO  L276                IsEmpty]: Start isEmpty. Operand 6561 states and 9817 transitions.
[2024-12-02 13:22:00,614 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3125
[2024-12-02 13:22:00,614 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:22:00,614 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:22:00,615 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-02 13:22:00,615 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:22:00,615 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:22:00,616 INFO  L85        PathProgramCache]: Analyzing trace with hash -76126378, now seen corresponding path program 1 times
[2024-12-02 13:22:00,616 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:22:00,616 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506194662]
[2024-12-02 13:22:00,616 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:22:00,616 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:22:03,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:22:08,114 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:22:08,115 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:22:08,115 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506194662]
[2024-12-02 13:22:08,115 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506194662] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:22:08,115 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:22:08,115 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:22:08,115 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570961046]
[2024-12-02 13:22:08,115 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:22:08,117 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:22:08,117 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:22:08,118 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:22:08,118 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:22:08,119 INFO  L87              Difference]: Start difference. First operand 6561 states and 9817 transitions. Second operand  has 5 states, 5 states have (on average 624.8) internal successors, (3124), 5 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:09,374 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:22:09,374 INFO  L93              Difference]: Finished difference Result 12388 states and 18534 transitions.
[2024-12-02 13:22:09,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:22:09,376 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 624.8) internal successors, (3124), 5 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3124
[2024-12-02 13:22:09,376 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:22:09,381 INFO  L225             Difference]: With dead ends: 12388
[2024-12-02 13:22:09,381 INFO  L226             Difference]: Without dead ends: 6561
[2024-12-02 13:22:09,385 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:22:09,385 INFO  L435           NwaCegarLoop]: 8203 mSDtfsCounter, 8804 mSDsluCounter, 8201 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8804 SdHoareTripleChecker+Valid, 16404 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:22:09,385 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8804 Valid, 16404 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 13:22:09,391 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6561 states.
[2024-12-02 13:22:09,435 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6561 to 6561.
[2024-12-02 13:22:09,441 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6561 states, 6560 states have (on average 1.4963414634146341) internal successors, (9816), 6560 states have internal predecessors, (9816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:09,448 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6561 states to 6561 states and 9816 transitions.
[2024-12-02 13:22:09,448 INFO  L78                 Accepts]: Start accepts. Automaton has 6561 states and 9816 transitions. Word has length 3124
[2024-12-02 13:22:09,448 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:22:09,448 INFO  L471      AbstractCegarLoop]: Abstraction has 6561 states and 9816 transitions.
[2024-12-02 13:22:09,449 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 624.8) internal successors, (3124), 5 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:09,449 INFO  L276                IsEmpty]: Start isEmpty. Operand 6561 states and 9816 transitions.
[2024-12-02 13:22:09,496 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3126
[2024-12-02 13:22:09,496 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:22:09,497 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:22:09,497 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-12-02 13:22:09,497 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:22:09,498 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:22:09,498 INFO  L85        PathProgramCache]: Analyzing trace with hash 386875069, now seen corresponding path program 1 times
[2024-12-02 13:22:09,498 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:22:09,498 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775722400]
[2024-12-02 13:22:09,499 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:22:09,499 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:22:09,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:22:13,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:22:13,756 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:22:13,756 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775722400]
[2024-12-02 13:22:13,756 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775722400] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:22:13,756 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:22:13,756 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:22:13,756 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131657662]
[2024-12-02 13:22:13,756 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:22:13,758 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:22:13,758 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:22:13,759 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:22:13,759 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:22:13,760 INFO  L87              Difference]: Start difference. First operand 6561 states and 9816 transitions. Second operand  has 4 states, 4 states have (on average 781.25) internal successors, (3125), 4 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:16,228 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:22:16,228 INFO  L93              Difference]: Finished difference Result 15182 states and 22725 transitions.
[2024-12-02 13:22:16,229 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:22:16,230 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 781.25) internal successors, (3125), 4 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3125
[2024-12-02 13:22:16,231 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:22:16,236 INFO  L225             Difference]: With dead ends: 15182
[2024-12-02 13:22:16,236 INFO  L226             Difference]: Without dead ends: 6561
[2024-12-02 13:22:16,240 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:22:16,241 INFO  L435           NwaCegarLoop]: 8595 mSDtfsCounter, 2554 mSDsluCounter, 16303 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2554 SdHoareTripleChecker+Valid, 24898 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 1984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:22:16,241 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2554 Valid, 24898 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 13:22:16,247 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6561 states.
[2024-12-02 13:22:16,292 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6561 to 6561.
[2024-12-02 13:22:16,298 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6561 states, 6560 states have (on average 1.4961890243902438) internal successors, (9815), 6560 states have internal predecessors, (9815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:16,305 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6561 states to 6561 states and 9815 transitions.
[2024-12-02 13:22:16,305 INFO  L78                 Accepts]: Start accepts. Automaton has 6561 states and 9815 transitions. Word has length 3125
[2024-12-02 13:22:16,306 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:22:16,306 INFO  L471      AbstractCegarLoop]: Abstraction has 6561 states and 9815 transitions.
[2024-12-02 13:22:16,306 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 781.25) internal successors, (3125), 4 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:16,307 INFO  L276                IsEmpty]: Start isEmpty. Operand 6561 states and 9815 transitions.
[2024-12-02 13:22:16,400 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3126
[2024-12-02 13:22:16,401 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:22:16,401 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:22:16,401 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-02 13:22:16,402 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:22:16,402 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:22:16,403 INFO  L85        PathProgramCache]: Analyzing trace with hash -1644251826, now seen corresponding path program 1 times
[2024-12-02 13:22:16,403 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:22:16,403 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776713383]
[2024-12-02 13:22:16,403 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:22:16,403 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:22:17,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:22:21,781 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:22:21,781 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:22:21,781 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776713383]
[2024-12-02 13:22:21,782 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776713383] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:22:21,782 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:22:21,783 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:22:21,783 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076546016]
[2024-12-02 13:22:21,783 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:22:21,784 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:22:21,784 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:22:21,786 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:22:21,786 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:22:21,787 INFO  L87              Difference]: Start difference. First operand 6561 states and 9815 transitions. Second operand  has 5 states, 5 states have (on average 625.0) internal successors, (3125), 5 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:24,189 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:22:24,189 INFO  L93              Difference]: Finished difference Result 12388 states and 18530 transitions.
[2024-12-02 13:22:24,189 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:22:24,190 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 625.0) internal successors, (3125), 5 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3125
[2024-12-02 13:22:24,190 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:22:24,195 INFO  L225             Difference]: With dead ends: 12388
[2024-12-02 13:22:24,195 INFO  L226             Difference]: Without dead ends: 6561
[2024-12-02 13:22:24,199 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:22:24,199 INFO  L435           NwaCegarLoop]: 7715 mSDtfsCounter, 17584 mSDsluCounter, 7709 mSDsCounter, 0 mSdLazyCounter, 2491 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17584 SdHoareTripleChecker+Valid, 15424 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:22:24,199 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17584 Valid, 15424 Invalid, 2496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2491 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 13:22:24,205 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6561 states.
[2024-12-02 13:22:24,249 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6561 to 6561.
[2024-12-02 13:22:24,255 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6561 states, 6560 states have (on average 1.4960365853658537) internal successors, (9814), 6560 states have internal predecessors, (9814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:24,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6561 states to 6561 states and 9814 transitions.
[2024-12-02 13:22:24,262 INFO  L78                 Accepts]: Start accepts. Automaton has 6561 states and 9814 transitions. Word has length 3125
[2024-12-02 13:22:24,262 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:22:24,263 INFO  L471      AbstractCegarLoop]: Abstraction has 6561 states and 9814 transitions.
[2024-12-02 13:22:24,263 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 625.0) internal successors, (3125), 5 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:24,264 INFO  L276                IsEmpty]: Start isEmpty. Operand 6561 states and 9814 transitions.
[2024-12-02 13:22:24,316 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3127
[2024-12-02 13:22:24,316 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:22:24,316 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:22:24,317 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-12-02 13:22:24,317 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:22:24,317 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:22:24,318 INFO  L85        PathProgramCache]: Analyzing trace with hash -302170434, now seen corresponding path program 1 times
[2024-12-02 13:22:24,318 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:22:24,318 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036477224]
[2024-12-02 13:22:24,318 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:22:24,318 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:22:27,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:22:31,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:22:31,669 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:22:31,669 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036477224]
[2024-12-02 13:22:31,669 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036477224] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:22:31,669 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:22:31,669 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:22:31,669 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744311761]
[2024-12-02 13:22:31,669 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:22:31,670 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:22:31,671 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:22:31,672 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:22:31,672 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:22:31,672 INFO  L87              Difference]: Start difference. First operand 6561 states and 9814 transitions. Second operand  has 5 states, 5 states have (on average 625.2) internal successors, (3126), 5 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:31,841 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:22:31,841 INFO  L93              Difference]: Finished difference Result 12389 states and 18530 transitions.
[2024-12-02 13:22:31,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:22:31,842 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 625.2) internal successors, (3126), 5 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3126
[2024-12-02 13:22:31,843 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:22:31,848 INFO  L225             Difference]: With dead ends: 12389
[2024-12-02 13:22:31,848 INFO  L226             Difference]: Without dead ends: 6562
[2024-12-02 13:22:31,851 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:22:31,852 INFO  L435           NwaCegarLoop]: 8923 mSDtfsCounter, 8407 mSDsluCounter, 17841 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8407 SdHoareTripleChecker+Valid, 26764 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:22:31,852 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8407 Valid, 26764 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:22:31,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6562 states.
[2024-12-02 13:22:31,902 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6562 to 6562.
[2024-12-02 13:22:31,907 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6562 states, 6561 states have (on average 1.4959609815576893) internal successors, (9815), 6561 states have internal predecessors, (9815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:31,915 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6562 states to 6562 states and 9815 transitions.
[2024-12-02 13:22:31,915 INFO  L78                 Accepts]: Start accepts. Automaton has 6562 states and 9815 transitions. Word has length 3126
[2024-12-02 13:22:31,915 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:22:31,915 INFO  L471      AbstractCegarLoop]: Abstraction has 6562 states and 9815 transitions.
[2024-12-02 13:22:31,916 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 625.2) internal successors, (3126), 5 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:31,916 INFO  L276                IsEmpty]: Start isEmpty. Operand 6562 states and 9815 transitions.
[2024-12-02 13:22:31,963 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3127
[2024-12-02 13:22:31,963 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:22:31,964 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:22:31,964 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-12-02 13:22:31,964 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:22:31,965 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:22:31,966 INFO  L85        PathProgramCache]: Analyzing trace with hash -981310722, now seen corresponding path program 1 times
[2024-12-02 13:22:31,966 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:22:31,966 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785176559]
[2024-12-02 13:22:31,967 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:22:31,967 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:22:34,996 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:22:39,707 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:22:39,707 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:22:39,707 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785176559]
[2024-12-02 13:22:39,707 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785176559] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:22:39,707 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:22:39,707 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:22:39,707 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252281347]
[2024-12-02 13:22:39,707 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:22:39,709 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:22:39,709 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:22:39,710 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:22:39,710 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:22:39,711 INFO  L87              Difference]: Start difference. First operand 6562 states and 9815 transitions. Second operand  has 5 states, 5 states have (on average 625.2) internal successors, (3126), 5 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:40,987 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:22:40,987 INFO  L93              Difference]: Finished difference Result 12390 states and 18530 transitions.
[2024-12-02 13:22:40,988 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:22:40,989 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 625.2) internal successors, (3126), 5 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3126
[2024-12-02 13:22:40,989 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:22:40,994 INFO  L225             Difference]: With dead ends: 12390
[2024-12-02 13:22:40,994 INFO  L226             Difference]: Without dead ends: 6562
[2024-12-02 13:22:40,997 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:22:40,998 INFO  L435           NwaCegarLoop]: 8202 mSDtfsCounter, 17173 mSDsluCounter, 8199 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17173 SdHoareTripleChecker+Valid, 16401 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:22:40,998 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17173 Valid, 16401 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:22:41,004 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6562 states.
[2024-12-02 13:22:41,047 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6562 to 6562.
[2024-12-02 13:22:41,053 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6562 states, 6561 states have (on average 1.4958085657674136) internal successors, (9814), 6561 states have internal predecessors, (9814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:41,060 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6562 states to 6562 states and 9814 transitions.
[2024-12-02 13:22:41,060 INFO  L78                 Accepts]: Start accepts. Automaton has 6562 states and 9814 transitions. Word has length 3126
[2024-12-02 13:22:41,061 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:22:41,061 INFO  L471      AbstractCegarLoop]: Abstraction has 6562 states and 9814 transitions.
[2024-12-02 13:22:41,061 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 625.2) internal successors, (3126), 5 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:41,061 INFO  L276                IsEmpty]: Start isEmpty. Operand 6562 states and 9814 transitions.
[2024-12-02 13:22:41,108 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3128
[2024-12-02 13:22:41,109 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:22:41,109 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:22:41,109 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-12-02 13:22:41,110 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:22:41,110 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:22:41,111 INFO  L85        PathProgramCache]: Analyzing trace with hash 1297527349, now seen corresponding path program 1 times
[2024-12-02 13:22:41,111 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:22:41,111 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130874562]
[2024-12-02 13:22:41,111 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:22:41,111 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:22:41,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:22:45,561 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:22:45,561 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:22:45,561 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130874562]
[2024-12-02 13:22:45,561 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130874562] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:22:45,561 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:22:45,562 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:22:45,562 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565632393]
[2024-12-02 13:22:45,562 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:22:45,563 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:22:45,563 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:22:45,565 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:22:45,565 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:22:45,566 INFO  L87              Difference]: Start difference. First operand 6562 states and 9814 transitions. Second operand  has 4 states, 4 states have (on average 781.75) internal successors, (3127), 4 states have internal predecessors, (3127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:47,971 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:22:47,971 INFO  L93              Difference]: Finished difference Result 15164 states and 22691 transitions.
[2024-12-02 13:22:47,972 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:22:47,972 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 781.75) internal successors, (3127), 4 states have internal predecessors, (3127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3127
[2024-12-02 13:22:47,974 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:22:47,978 INFO  L225             Difference]: With dead ends: 15164
[2024-12-02 13:22:47,978 INFO  L226             Difference]: Without dead ends: 6562
[2024-12-02 13:22:47,983 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:22:47,983 INFO  L435           NwaCegarLoop]: 8598 mSDtfsCounter, 2538 mSDsluCounter, 16305 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2538 SdHoareTripleChecker+Valid, 24903 SdHoareTripleChecker+Invalid, 2205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:22:47,984 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2538 Valid, 24903 Invalid, 2205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 13:22:47,992 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6562 states.
[2024-12-02 13:22:48,036 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6562 to 6562.
[2024-12-02 13:22:48,042 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6562 states, 6561 states have (on average 1.4956561499771377) internal successors, (9813), 6561 states have internal predecessors, (9813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:48,049 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6562 states to 6562 states and 9813 transitions.
[2024-12-02 13:22:48,049 INFO  L78                 Accepts]: Start accepts. Automaton has 6562 states and 9813 transitions. Word has length 3127
[2024-12-02 13:22:48,049 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:22:48,049 INFO  L471      AbstractCegarLoop]: Abstraction has 6562 states and 9813 transitions.
[2024-12-02 13:22:48,050 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 781.75) internal successors, (3127), 4 states have internal predecessors, (3127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:48,050 INFO  L276                IsEmpty]: Start isEmpty. Operand 6562 states and 9813 transitions.
[2024-12-02 13:22:48,160 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3128
[2024-12-02 13:22:48,161 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:22:48,161 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:22:48,161 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-12-02 13:22:48,162 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:22:48,162 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:22:48,163 INFO  L85        PathProgramCache]: Analyzing trace with hash -813893114, now seen corresponding path program 1 times
[2024-12-02 13:22:48,163 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:22:48,163 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197432626]
[2024-12-02 13:22:48,163 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:22:48,163 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:22:49,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:22:53,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:22:53,436 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:22:53,436 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197432626]
[2024-12-02 13:22:53,436 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197432626] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:22:53,436 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:22:53,436 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:22:53,437 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418068798]
[2024-12-02 13:22:53,437 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:22:53,439 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:22:53,439 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:22:53,441 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:22:53,442 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:22:53,442 INFO  L87              Difference]: Start difference. First operand 6562 states and 9813 transitions. Second operand  has 5 states, 5 states have (on average 625.4) internal successors, (3127), 5 states have internal predecessors, (3127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:55,843 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:22:55,843 INFO  L93              Difference]: Finished difference Result 12390 states and 18526 transitions.
[2024-12-02 13:22:55,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:22:55,845 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 625.4) internal successors, (3127), 5 states have internal predecessors, (3127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3127
[2024-12-02 13:22:55,845 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:22:55,849 INFO  L225             Difference]: With dead ends: 12390
[2024-12-02 13:22:55,849 INFO  L226             Difference]: Without dead ends: 6562
[2024-12-02 13:22:55,852 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:22:55,852 INFO  L435           NwaCegarLoop]: 7714 mSDtfsCounter, 8785 mSDsluCounter, 7709 mSDsCounter, 0 mSdLazyCounter, 2487 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8785 SdHoareTripleChecker+Valid, 15423 SdHoareTripleChecker+Invalid, 2488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:22:55,852 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8785 Valid, 15423 Invalid, 2488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2487 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 13:22:55,857 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6562 states.
[2024-12-02 13:22:55,899 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6562 to 6562.
[2024-12-02 13:22:55,904 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6562 states, 6561 states have (on average 1.4955037341868618) internal successors, (9812), 6561 states have internal predecessors, (9812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:55,911 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6562 states to 6562 states and 9812 transitions.
[2024-12-02 13:22:55,911 INFO  L78                 Accepts]: Start accepts. Automaton has 6562 states and 9812 transitions. Word has length 3127
[2024-12-02 13:22:55,912 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:22:55,912 INFO  L471      AbstractCegarLoop]: Abstraction has 6562 states and 9812 transitions.
[2024-12-02 13:22:55,912 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 625.4) internal successors, (3127), 5 states have internal predecessors, (3127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:22:55,912 INFO  L276                IsEmpty]: Start isEmpty. Operand 6562 states and 9812 transitions.
[2024-12-02 13:22:55,960 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3129
[2024-12-02 13:22:55,960 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:22:55,961 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:22:55,961 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-12-02 13:22:55,961 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:22:55,962 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:22:55,962 INFO  L85        PathProgramCache]: Analyzing trace with hash -941998490, now seen corresponding path program 1 times
[2024-12-02 13:22:55,962 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:22:55,962 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238283195]
[2024-12-02 13:22:55,963 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:22:55,963 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:22:58,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:03,467 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:23:03,467 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:03,467 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238283195]
[2024-12-02 13:23:03,467 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238283195] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:03,467 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:03,468 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:23:03,468 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72772762]
[2024-12-02 13:23:03,468 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:03,470 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:23:03,470 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:03,473 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:23:03,473 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:23:03,474 INFO  L87              Difference]: Start difference. First operand 6562 states and 9812 transitions. Second operand  has 5 states, 5 states have (on average 625.6) internal successors, (3128), 5 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:03,735 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:03,735 INFO  L93              Difference]: Finished difference Result 12391 states and 18526 transitions.
[2024-12-02 13:23:03,736 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:23:03,736 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 625.6) internal successors, (3128), 5 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3128
[2024-12-02 13:23:03,737 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:03,741 INFO  L225             Difference]: With dead ends: 12391
[2024-12-02 13:23:03,741 INFO  L226             Difference]: Without dead ends: 6563
[2024-12-02 13:23:03,744 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:23:03,745 INFO  L435           NwaCegarLoop]: 8921 mSDtfsCounter, 8392 mSDsluCounter, 17837 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8392 SdHoareTripleChecker+Valid, 26758 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:03,745 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8392 Valid, 26758 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:23:03,750 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6563 states.
[2024-12-02 13:23:03,790 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6563 to 6563.
[2024-12-02 13:23:03,796 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6563 states, 6562 states have (on average 1.4954282231027125) internal successors, (9813), 6562 states have internal predecessors, (9813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:03,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6563 states to 6563 states and 9813 transitions.
[2024-12-02 13:23:03,803 INFO  L78                 Accepts]: Start accepts. Automaton has 6563 states and 9813 transitions. Word has length 3128
[2024-12-02 13:23:03,803 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:03,803 INFO  L471      AbstractCegarLoop]: Abstraction has 6563 states and 9813 transitions.
[2024-12-02 13:23:03,804 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 625.6) internal successors, (3128), 5 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:03,804 INFO  L276                IsEmpty]: Start isEmpty. Operand 6563 states and 9813 transitions.
[2024-12-02 13:23:03,850 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3129
[2024-12-02 13:23:03,851 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:23:03,851 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:03,852 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-12-02 13:23:03,852 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:23:03,852 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:03,853 INFO  L85        PathProgramCache]: Analyzing trace with hash -260853082, now seen corresponding path program 1 times
[2024-12-02 13:23:03,853 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:03,853 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305365220]
[2024-12-02 13:23:03,853 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:03,853 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:06,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:11,197 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:23:11,197 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:11,197 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305365220]
[2024-12-02 13:23:11,197 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305365220] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:11,198 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:11,198 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:23:11,198 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399107914]
[2024-12-02 13:23:11,198 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:11,199 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:23:11,199 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:11,201 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:23:11,202 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:23:11,202 INFO  L87              Difference]: Start difference. First operand 6563 states and 9813 transitions. Second operand  has 5 states, 5 states have (on average 625.6) internal successors, (3128), 5 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:12,498 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:12,498 INFO  L93              Difference]: Finished difference Result 12392 states and 18526 transitions.
[2024-12-02 13:23:12,499 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:23:12,500 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 625.6) internal successors, (3128), 5 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3128
[2024-12-02 13:23:12,500 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:12,504 INFO  L225             Difference]: With dead ends: 12392
[2024-12-02 13:23:12,504 INFO  L226             Difference]: Without dead ends: 6563
[2024-12-02 13:23:12,507 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:23:12,507 INFO  L435           NwaCegarLoop]: 8199 mSDtfsCounter, 17003 mSDsluCounter, 8196 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17003 SdHoareTripleChecker+Valid, 16395 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:12,508 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17003 Valid, 16395 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:23:12,513 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6563 states.
[2024-12-02 13:23:12,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6563 to 6563.
[2024-12-02 13:23:12,560 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6563 states, 6562 states have (on average 1.4952758305394698) internal successors, (9812), 6562 states have internal predecessors, (9812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:12,568 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6563 states to 6563 states and 9812 transitions.
[2024-12-02 13:23:12,568 INFO  L78                 Accepts]: Start accepts. Automaton has 6563 states and 9812 transitions. Word has length 3128
[2024-12-02 13:23:12,568 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:12,568 INFO  L471      AbstractCegarLoop]: Abstraction has 6563 states and 9812 transitions.
[2024-12-02 13:23:12,569 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 625.6) internal successors, (3128), 5 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:12,569 INFO  L276                IsEmpty]: Start isEmpty. Operand 6563 states and 9812 transitions.
[2024-12-02 13:23:12,616 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3130
[2024-12-02 13:23:12,617 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:23:12,617 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:12,618 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-12-02 13:23:12,618 INFO  L396      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:23:12,618 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:12,619 INFO  L85        PathProgramCache]: Analyzing trace with hash 669126584, now seen corresponding path program 1 times
[2024-12-02 13:23:12,619 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:12,619 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474516866]
[2024-12-02 13:23:12,619 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:12,619 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:13,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:16,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:23:16,261 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:16,261 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474516866]
[2024-12-02 13:23:16,261 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474516866] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:16,261 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:16,261 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:23:16,261 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604098590]
[2024-12-02 13:23:16,261 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:16,264 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:23:16,264 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:16,265 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:23:16,265 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:23:16,266 INFO  L87              Difference]: Start difference. First operand 6563 states and 9812 transitions. Second operand  has 4 states, 4 states have (on average 782.25) internal successors, (3129), 4 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:18,567 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:18,567 INFO  L93              Difference]: Finished difference Result 15005 states and 22445 transitions.
[2024-12-02 13:23:18,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:23:18,569 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 782.25) internal successors, (3129), 4 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3129
[2024-12-02 13:23:18,570 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:18,575 INFO  L225             Difference]: With dead ends: 15005
[2024-12-02 13:23:18,575 INFO  L226             Difference]: Without dead ends: 6563
[2024-12-02 13:23:18,579 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:23:18,580 INFO  L435           NwaCegarLoop]: 8613 mSDtfsCounter, 2390 mSDsluCounter, 16319 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 24932 SdHoareTripleChecker+Invalid, 2154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:18,580 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2390 Valid, 24932 Invalid, 2154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 1932 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 13:23:18,585 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6563 states.
[2024-12-02 13:23:18,630 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6563 to 6563.
[2024-12-02 13:23:18,636 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6563 states, 6562 states have (on average 1.4951234379762268) internal successors, (9811), 6562 states have internal predecessors, (9811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:18,643 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6563 states to 6563 states and 9811 transitions.
[2024-12-02 13:23:18,643 INFO  L78                 Accepts]: Start accepts. Automaton has 6563 states and 9811 transitions. Word has length 3129
[2024-12-02 13:23:18,644 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:18,644 INFO  L471      AbstractCegarLoop]: Abstraction has 6563 states and 9811 transitions.
[2024-12-02 13:23:18,644 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 782.25) internal successors, (3129), 4 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:18,644 INFO  L276                IsEmpty]: Start isEmpty. Operand 6563 states and 9811 transitions.
[2024-12-02 13:23:18,737 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3130
[2024-12-02 13:23:18,737 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:23:18,738 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:18,738 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-12-02 13:23:18,738 INFO  L396      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:23:18,740 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:18,741 INFO  L85        PathProgramCache]: Analyzing trace with hash -1035787895, now seen corresponding path program 1 times
[2024-12-02 13:23:18,742 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:18,742 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487689452]
[2024-12-02 13:23:18,742 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:18,742 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:20,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:24,293 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:23:24,293 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:24,293 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487689452]
[2024-12-02 13:23:24,293 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487689452] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:24,293 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:24,294 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:23:24,294 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364323513]
[2024-12-02 13:23:24,294 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:24,296 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:23:24,296 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:24,299 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:23:24,299 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:23:24,300 INFO  L87              Difference]: Start difference. First operand 6563 states and 9811 transitions. Second operand  has 5 states, 5 states have (on average 625.8) internal successors, (3129), 5 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:26,857 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:26,857 INFO  L93              Difference]: Finished difference Result 12392 states and 18522 transitions.
[2024-12-02 13:23:26,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:23:26,858 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 625.8) internal successors, (3129), 5 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3129
[2024-12-02 13:23:26,858 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:26,863 INFO  L225             Difference]: With dead ends: 12392
[2024-12-02 13:23:26,863 INFO  L226             Difference]: Without dead ends: 6563
[2024-12-02 13:23:26,866 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:23:26,866 INFO  L435           NwaCegarLoop]: 7713 mSDtfsCounter, 17384 mSDsluCounter, 7707 mSDsCounter, 0 mSdLazyCounter, 2483 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17384 SdHoareTripleChecker+Valid, 15420 SdHoareTripleChecker+Invalid, 2488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:26,867 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17384 Valid, 15420 Invalid, 2488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2483 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 13:23:26,872 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6563 states.
[2024-12-02 13:23:26,915 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6563 to 6563.
[2024-12-02 13:23:26,920 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6563 states, 6562 states have (on average 1.4949710454129839) internal successors, (9810), 6562 states have internal predecessors, (9810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:26,927 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6563 states to 6563 states and 9810 transitions.
[2024-12-02 13:23:26,927 INFO  L78                 Accepts]: Start accepts. Automaton has 6563 states and 9810 transitions. Word has length 3129
[2024-12-02 13:23:26,928 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:26,928 INFO  L471      AbstractCegarLoop]: Abstraction has 6563 states and 9810 transitions.
[2024-12-02 13:23:26,928 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 625.8) internal successors, (3129), 5 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:26,928 INFO  L276                IsEmpty]: Start isEmpty. Operand 6563 states and 9810 transitions.
[2024-12-02 13:23:26,975 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3131
[2024-12-02 13:23:26,975 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:23:26,976 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:26,976 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-12-02 13:23:26,976 INFO  L396      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:23:26,977 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:26,978 INFO  L85        PathProgramCache]: Analyzing trace with hash 1790941550, now seen corresponding path program 1 times
[2024-12-02 13:23:26,978 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:26,978 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189831584]
[2024-12-02 13:23:26,978 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:26,978 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:29,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:35,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:23:35,343 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:35,343 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189831584]
[2024-12-02 13:23:35,343 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189831584] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:35,343 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:35,344 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:23:35,344 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669435039]
[2024-12-02 13:23:35,344 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:35,346 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:23:35,346 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:35,349 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:23:35,349 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:23:35,350 INFO  L87              Difference]: Start difference. First operand 6563 states and 9810 transitions. Second operand  has 5 states, 5 states have (on average 626.0) internal successors, (3130), 5 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:35,537 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:35,537 INFO  L93              Difference]: Finished difference Result 12393 states and 18522 transitions.
[2024-12-02 13:23:35,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:23:35,539 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 626.0) internal successors, (3130), 5 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3130
[2024-12-02 13:23:35,539 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:35,544 INFO  L225             Difference]: With dead ends: 12393
[2024-12-02 13:23:35,544 INFO  L226             Difference]: Without dead ends: 6564
[2024-12-02 13:23:35,548 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:23:35,548 INFO  L435           NwaCegarLoop]: 8917 mSDtfsCounter, 8307 mSDsluCounter, 17829 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8307 SdHoareTripleChecker+Valid, 26746 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:35,548 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8307 Valid, 26746 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:23:35,554 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6564 states.
[2024-12-02 13:23:35,598 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6564 to 6564.
[2024-12-02 13:23:35,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6564 states, 6563 states have (on average 1.4948956269998477) internal successors, (9811), 6563 states have internal predecessors, (9811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:35,610 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6564 states to 6564 states and 9811 transitions.
[2024-12-02 13:23:35,610 INFO  L78                 Accepts]: Start accepts. Automaton has 6564 states and 9811 transitions. Word has length 3130
[2024-12-02 13:23:35,610 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:35,610 INFO  L471      AbstractCegarLoop]: Abstraction has 6564 states and 9811 transitions.
[2024-12-02 13:23:35,611 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 626.0) internal successors, (3130), 5 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:35,611 INFO  L276                IsEmpty]: Start isEmpty. Operand 6564 states and 9811 transitions.
[2024-12-02 13:23:35,657 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3131
[2024-12-02 13:23:35,657 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:23:35,658 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:35,659 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-12-02 13:23:35,659 INFO  L396      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:23:35,660 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:35,661 INFO  L85        PathProgramCache]: Analyzing trace with hash -1660187218, now seen corresponding path program 1 times
[2024-12-02 13:23:35,661 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:35,661 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013659238]
[2024-12-02 13:23:35,661 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:35,662 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:38,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:43,777 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:23:43,777 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:43,777 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013659238]
[2024-12-02 13:23:43,777 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013659238] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:43,777 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:43,778 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:23:43,778 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75464411]
[2024-12-02 13:23:43,778 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:43,779 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:23:43,780 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:43,781 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:23:43,781 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:23:43,782 INFO  L87              Difference]: Start difference. First operand 6564 states and 9811 transitions. Second operand  has 5 states, 5 states have (on average 626.0) internal successors, (3130), 5 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:45,085 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:45,086 INFO  L93              Difference]: Finished difference Result 12394 states and 18522 transitions.
[2024-12-02 13:23:45,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:23:45,087 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 626.0) internal successors, (3130), 5 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3130
[2024-12-02 13:23:45,087 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:45,092 INFO  L225             Difference]: With dead ends: 12394
[2024-12-02 13:23:45,092 INFO  L226             Difference]: Without dead ends: 6564
[2024-12-02 13:23:45,095 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:23:45,096 INFO  L435           NwaCegarLoop]: 8198 mSDtfsCounter, 8689 mSDsluCounter, 8196 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8689 SdHoareTripleChecker+Valid, 16394 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:45,096 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8689 Valid, 16394 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:23:45,102 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6564 states.
[2024-12-02 13:23:45,144 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6564 to 6564.
[2024-12-02 13:23:45,149 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6564 states, 6563 states have (on average 1.4947432576565596) internal successors, (9810), 6563 states have internal predecessors, (9810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:45,156 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6564 states to 6564 states and 9810 transitions.
[2024-12-02 13:23:45,156 INFO  L78                 Accepts]: Start accepts. Automaton has 6564 states and 9810 transitions. Word has length 3130
[2024-12-02 13:23:45,156 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:45,157 INFO  L471      AbstractCegarLoop]: Abstraction has 6564 states and 9810 transitions.
[2024-12-02 13:23:45,157 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 626.0) internal successors, (3130), 5 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:45,157 INFO  L276                IsEmpty]: Start isEmpty. Operand 6564 states and 9810 transitions.
[2024-12-02 13:23:45,204 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3132
[2024-12-02 13:23:45,204 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:23:45,205 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:45,205 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-12-02 13:23:45,205 INFO  L396      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:23:45,205 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:45,206 INFO  L85        PathProgramCache]: Analyzing trace with hash 682555344, now seen corresponding path program 1 times
[2024-12-02 13:23:45,206 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:45,206 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187045501]
[2024-12-02 13:23:45,206 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:45,206 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:45,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:49,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:23:49,215 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:49,215 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187045501]
[2024-12-02 13:23:49,215 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187045501] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:49,216 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:49,216 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:23:49,216 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331386133]
[2024-12-02 13:23:49,216 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:49,217 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:23:49,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:49,219 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:23:49,219 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:23:49,219 INFO  L87              Difference]: Start difference. First operand 6564 states and 9810 transitions. Second operand  has 4 states, 4 states have (on average 782.75) internal successors, (3131), 4 states have internal predecessors, (3131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:51,541 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:23:51,541 INFO  L93              Difference]: Finished difference Result 14987 states and 22411 transitions.
[2024-12-02 13:23:51,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:23:51,543 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 782.75) internal successors, (3131), 4 states have internal predecessors, (3131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3131
[2024-12-02 13:23:51,545 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:23:51,549 INFO  L225             Difference]: With dead ends: 14987
[2024-12-02 13:23:51,549 INFO  L226             Difference]: Without dead ends: 6564
[2024-12-02 13:23:51,553 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:23:51,553 INFO  L435           NwaCegarLoop]: 8616 mSDtfsCounter, 2374 mSDsluCounter, 16321 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2374 SdHoareTripleChecker+Valid, 24937 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:23:51,553 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2374 Valid, 24937 Invalid, 2136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1918 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 13:23:51,561 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6564 states.
[2024-12-02 13:23:51,626 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6564 to 6564.
[2024-12-02 13:23:51,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6564 states, 6563 states have (on average 1.4945908883132715) internal successors, (9809), 6563 states have internal predecessors, (9809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:51,643 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6564 states to 6564 states and 9809 transitions.
[2024-12-02 13:23:51,643 INFO  L78                 Accepts]: Start accepts. Automaton has 6564 states and 9809 transitions. Word has length 3131
[2024-12-02 13:23:51,644 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:23:51,644 INFO  L471      AbstractCegarLoop]: Abstraction has 6564 states and 9809 transitions.
[2024-12-02 13:23:51,645 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 782.75) internal successors, (3131), 4 states have internal predecessors, (3131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:23:51,645 INFO  L276                IsEmpty]: Start isEmpty. Operand 6564 states and 9809 transitions.
[2024-12-02 13:23:51,767 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3132
[2024-12-02 13:23:51,767 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:23:51,768 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:23:51,768 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-12-02 13:23:51,768 INFO  L396      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:23:51,769 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:23:51,769 INFO  L85        PathProgramCache]: Analyzing trace with hash 523496161, now seen corresponding path program 1 times
[2024-12-02 13:23:51,769 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:23:51,770 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048924498]
[2024-12-02 13:23:51,770 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:23:51,770 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:23:53,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:23:57,882 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:23:57,882 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:23:57,882 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048924498]
[2024-12-02 13:23:57,882 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048924498] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:23:57,882 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:23:57,882 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:23:57,883 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394358090]
[2024-12-02 13:23:57,883 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:23:57,885 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:23:57,885 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:23:57,886 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:23:57,886 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:23:57,887 INFO  L87              Difference]: Start difference. First operand 6564 states and 9809 transitions. Second operand  has 5 states, 5 states have (on average 626.2) internal successors, (3131), 5 states have internal predecessors, (3131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:00,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:24:00,149 INFO  L93              Difference]: Finished difference Result 12394 states and 18518 transitions.
[2024-12-02 13:24:00,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:24:00,150 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 626.2) internal successors, (3131), 5 states have internal predecessors, (3131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3131
[2024-12-02 13:24:00,151 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:24:00,154 INFO  L225             Difference]: With dead ends: 12394
[2024-12-02 13:24:00,154 INFO  L226             Difference]: Without dead ends: 6564
[2024-12-02 13:24:00,155 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:24:00,156 INFO  L435           NwaCegarLoop]: 7712 mSDtfsCounter, 8679 mSDsluCounter, 7708 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8679 SdHoareTripleChecker+Valid, 15420 SdHoareTripleChecker+Invalid, 2480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:24:00,156 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8679 Valid, 15420 Invalid, 2480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 13:24:00,161 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6564 states.
[2024-12-02 13:24:00,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6564 to 6564.
[2024-12-02 13:24:00,205 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6564 states, 6563 states have (on average 1.4944385189699831) internal successors, (9808), 6563 states have internal predecessors, (9808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:00,212 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6564 states to 6564 states and 9808 transitions.
[2024-12-02 13:24:00,212 INFO  L78                 Accepts]: Start accepts. Automaton has 6564 states and 9808 transitions. Word has length 3131
[2024-12-02 13:24:00,213 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:24:00,213 INFO  L471      AbstractCegarLoop]: Abstraction has 6564 states and 9808 transitions.
[2024-12-02 13:24:00,213 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 626.2) internal successors, (3131), 5 states have internal predecessors, (3131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:00,213 INFO  L276                IsEmpty]: Start isEmpty. Operand 6564 states and 9808 transitions.
[2024-12-02 13:24:00,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3133
[2024-12-02 13:24:00,259 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:24:00,260 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:24:00,260 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-12-02 13:24:00,260 INFO  L396      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:24:00,261 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:24:00,261 INFO  L85        PathProgramCache]: Analyzing trace with hash -1994153866, now seen corresponding path program 1 times
[2024-12-02 13:24:00,261 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:24:00,261 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83577009]
[2024-12-02 13:24:00,261 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:24:00,262 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:24:02,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:24:07,141 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:24:07,141 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:24:07,141 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83577009]
[2024-12-02 13:24:07,141 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83577009] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:24:07,141 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:24:07,142 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:24:07,142 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183574886]
[2024-12-02 13:24:07,142 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:24:07,144 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:24:07,144 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:24:07,146 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:24:07,146 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:24:07,147 INFO  L87              Difference]: Start difference. First operand 6564 states and 9808 transitions. Second operand  has 5 states, 5 states have (on average 626.4) internal successors, (3132), 5 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:07,376 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:24:07,376 INFO  L93              Difference]: Finished difference Result 12395 states and 18518 transitions.
[2024-12-02 13:24:07,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:24:07,377 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 626.4) internal successors, (3132), 5 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3132
[2024-12-02 13:24:07,377 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:24:07,382 INFO  L225             Difference]: With dead ends: 12395
[2024-12-02 13:24:07,382 INFO  L226             Difference]: Without dead ends: 6565
[2024-12-02 13:24:07,386 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:24:07,386 INFO  L435           NwaCegarLoop]: 8915 mSDtfsCounter, 8292 mSDsluCounter, 17825 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8292 SdHoareTripleChecker+Valid, 26740 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:24:07,386 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8292 Valid, 26740 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:24:07,392 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6565 states.
[2024-12-02 13:24:07,436 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6565 to 6565.
[2024-12-02 13:24:07,441 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6565 states, 6564 states have (on average 1.4943631931748933) internal successors, (9809), 6564 states have internal predecessors, (9809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:07,448 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6565 states to 6565 states and 9809 transitions.
[2024-12-02 13:24:07,448 INFO  L78                 Accepts]: Start accepts. Automaton has 6565 states and 9809 transitions. Word has length 3132
[2024-12-02 13:24:07,449 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:24:07,449 INFO  L471      AbstractCegarLoop]: Abstraction has 6565 states and 9809 transitions.
[2024-12-02 13:24:07,449 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 626.4) internal successors, (3132), 5 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:07,449 INFO  L276                IsEmpty]: Start isEmpty. Operand 6565 states and 9809 transitions.
[2024-12-02 13:24:07,496 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3133
[2024-12-02 13:24:07,496 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:24:07,497 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:24:07,497 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-12-02 13:24:07,497 INFO  L396      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:24:07,498 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:24:07,498 INFO  L85        PathProgramCache]: Analyzing trace with hash -1077418826, now seen corresponding path program 1 times
[2024-12-02 13:24:07,498 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:24:07,498 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360083068]
[2024-12-02 13:24:07,499 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:24:07,499 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:24:10,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:24:15,741 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:24:15,741 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:24:15,741 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360083068]
[2024-12-02 13:24:15,741 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360083068] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:24:15,741 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:24:15,742 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:24:15,742 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662881506]
[2024-12-02 13:24:15,742 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:24:15,744 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:24:15,744 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:24:15,745 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:24:15,745 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:24:15,746 INFO  L87              Difference]: Start difference. First operand 6565 states and 9809 transitions. Second operand  has 5 states, 5 states have (on average 626.4) internal successors, (3132), 5 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:16,980 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:24:16,980 INFO  L93              Difference]: Finished difference Result 12396 states and 18518 transitions.
[2024-12-02 13:24:16,981 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:24:16,981 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 626.4) internal successors, (3132), 5 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3132
[2024-12-02 13:24:16,982 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:24:16,987 INFO  L225             Difference]: With dead ends: 12396
[2024-12-02 13:24:16,987 INFO  L226             Difference]: Without dead ends: 6565
[2024-12-02 13:24:16,990 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:24:16,991 INFO  L435           NwaCegarLoop]: 8195 mSDtfsCounter, 8604 mSDsluCounter, 8193 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8604 SdHoareTripleChecker+Valid, 16388 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:24:16,991 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8604 Valid, 16388 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 13:24:16,996 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6565 states.
[2024-12-02 13:24:17,039 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6565 to 6565.
[2024-12-02 13:24:17,044 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6565 states, 6564 states have (on average 1.494210847044485) internal successors, (9808), 6564 states have internal predecessors, (9808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:17,051 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6565 states to 6565 states and 9808 transitions.
[2024-12-02 13:24:17,051 INFO  L78                 Accepts]: Start accepts. Automaton has 6565 states and 9808 transitions. Word has length 3132
[2024-12-02 13:24:17,052 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:24:17,052 INFO  L471      AbstractCegarLoop]: Abstraction has 6565 states and 9808 transitions.
[2024-12-02 13:24:17,052 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 626.4) internal successors, (3132), 5 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:17,052 INFO  L276                IsEmpty]: Start isEmpty. Operand 6565 states and 9808 transitions.
[2024-12-02 13:24:17,243 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3134
[2024-12-02 13:24:17,243 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:24:17,244 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:24:17,244 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-12-02 13:24:17,244 INFO  L396      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:24:17,245 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:24:17,245 INFO  L85        PathProgramCache]: Analyzing trace with hash -908496461, now seen corresponding path program 1 times
[2024-12-02 13:24:17,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:24:17,245 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48643854]
[2024-12-02 13:24:17,246 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:24:17,246 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:24:17,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:24:21,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:24:21,312 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:24:21,312 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48643854]
[2024-12-02 13:24:21,312 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48643854] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:24:21,312 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:24:21,313 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:24:21,313 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159031787]
[2024-12-02 13:24:21,313 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:24:21,314 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:24:21,315 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:24:21,316 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:24:21,316 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:24:21,317 INFO  L87              Difference]: Start difference. First operand 6565 states and 9808 transitions. Second operand  has 4 states, 4 states have (on average 783.25) internal successors, (3133), 4 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:23,579 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:24:23,579 INFO  L93              Difference]: Finished difference Result 14829 states and 22166 transitions.
[2024-12-02 13:24:23,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:24:23,580 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 783.25) internal successors, (3133), 4 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3133
[2024-12-02 13:24:23,582 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:24:23,586 INFO  L225             Difference]: With dead ends: 14829
[2024-12-02 13:24:23,586 INFO  L226             Difference]: Without dead ends: 6565
[2024-12-02 13:24:23,591 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:24:23,591 INFO  L435           NwaCegarLoop]: 8631 mSDtfsCounter, 2226 mSDsluCounter, 16335 mSDsCounter, 0 mSdLazyCounter, 1880 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2226 SdHoareTripleChecker+Valid, 24966 SdHoareTripleChecker+Invalid, 2085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 1880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:24:23,591 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2226 Valid, 24966 Invalid, 2085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 1880 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 13:24:23,596 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6565 states.
[2024-12-02 13:24:23,637 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6565 to 6565.
[2024-12-02 13:24:23,642 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6565 states, 6564 states have (on average 1.4940585009140768) internal successors, (9807), 6564 states have internal predecessors, (9807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:23,649 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6565 states to 6565 states and 9807 transitions.
[2024-12-02 13:24:23,649 INFO  L78                 Accepts]: Start accepts. Automaton has 6565 states and 9807 transitions. Word has length 3133
[2024-12-02 13:24:23,649 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:24:23,649 INFO  L471      AbstractCegarLoop]: Abstraction has 6565 states and 9807 transitions.
[2024-12-02 13:24:23,650 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 783.25) internal successors, (3133), 4 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:23,650 INFO  L276                IsEmpty]: Start isEmpty. Operand 6565 states and 9807 transitions.
[2024-12-02 13:24:23,714 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3134
[2024-12-02 13:24:23,714 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:24:23,715 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:24:23,715 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-12-02 13:24:23,715 INFO  L396      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:24:23,716 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:24:23,717 INFO  L85        PathProgramCache]: Analyzing trace with hash -1630425404, now seen corresponding path program 1 times
[2024-12-02 13:24:23,717 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:24:23,717 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365174761]
[2024-12-02 13:24:23,718 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:24:23,718 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:24:25,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:24:29,494 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:24:29,495 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:24:29,495 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365174761]
[2024-12-02 13:24:29,495 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365174761] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:24:29,495 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:24:29,495 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:24:29,495 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696904997]
[2024-12-02 13:24:29,495 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:24:29,497 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:24:29,497 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:24:29,498 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:24:29,498 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:24:29,499 INFO  L87              Difference]: Start difference. First operand 6565 states and 9807 transitions. Second operand  has 5 states, 5 states have (on average 626.6) internal successors, (3133), 5 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:31,984 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:24:31,984 INFO  L93              Difference]: Finished difference Result 12396 states and 18514 transitions.
[2024-12-02 13:24:31,985 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:24:31,985 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 626.6) internal successors, (3133), 5 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3133
[2024-12-02 13:24:31,986 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:24:31,992 INFO  L225             Difference]: With dead ends: 12396
[2024-12-02 13:24:31,992 INFO  L226             Difference]: Without dead ends: 6565
[2024-12-02 13:24:31,995 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:24:31,996 INFO  L435           NwaCegarLoop]: 7711 mSDtfsCounter, 17184 mSDsluCounter, 7705 mSDsCounter, 0 mSdLazyCounter, 2475 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17184 SdHoareTripleChecker+Valid, 15416 SdHoareTripleChecker+Invalid, 2480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:24:31,996 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17184 Valid, 15416 Invalid, 2480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2475 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 13:24:32,001 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6565 states.
[2024-12-02 13:24:32,044 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6565 to 6565.
[2024-12-02 13:24:32,049 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6565 states, 6564 states have (on average 1.4939061547836685) internal successors, (9806), 6564 states have internal predecessors, (9806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:32,056 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6565 states to 6565 states and 9806 transitions.
[2024-12-02 13:24:32,056 INFO  L78                 Accepts]: Start accepts. Automaton has 6565 states and 9806 transitions. Word has length 3133
[2024-12-02 13:24:32,057 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:24:32,057 INFO  L471      AbstractCegarLoop]: Abstraction has 6565 states and 9806 transitions.
[2024-12-02 13:24:32,057 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 626.6) internal successors, (3133), 5 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:32,058 INFO  L276                IsEmpty]: Start isEmpty. Operand 6565 states and 9806 transitions.
[2024-12-02 13:24:32,123 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3135
[2024-12-02 13:24:32,123 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:24:32,124 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:24:32,124 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-12-02 13:24:32,124 INFO  L396      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:24:32,125 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:24:32,125 INFO  L85        PathProgramCache]: Analyzing trace with hash -350575906, now seen corresponding path program 1 times
[2024-12-02 13:24:32,125 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:24:32,125 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469979541]
[2024-12-02 13:24:32,126 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:24:32,126 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:24:34,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:24:39,407 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:24:39,407 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:24:39,407 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469979541]
[2024-12-02 13:24:39,407 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469979541] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:24:39,407 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:24:39,408 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:24:39,408 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683641206]
[2024-12-02 13:24:39,408 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:24:39,409 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:24:39,409 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:24:39,410 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:24:39,410 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:24:39,411 INFO  L87              Difference]: Start difference. First operand 6565 states and 9806 transitions. Second operand  has 5 states, 5 states have (on average 626.8) internal successors, (3134), 5 states have internal predecessors, (3134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:39,598 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:24:39,598 INFO  L93              Difference]: Finished difference Result 12397 states and 18514 transitions.
[2024-12-02 13:24:39,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:24:39,600 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 626.8) internal successors, (3134), 5 states have internal predecessors, (3134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3134
[2024-12-02 13:24:39,600 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:24:39,605 INFO  L225             Difference]: With dead ends: 12397
[2024-12-02 13:24:39,605 INFO  L226             Difference]: Without dead ends: 6566
[2024-12-02 13:24:39,608 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:24:39,609 INFO  L435           NwaCegarLoop]: 8911 mSDtfsCounter, 8207 mSDsluCounter, 17817 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8207 SdHoareTripleChecker+Valid, 26728 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:24:39,609 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8207 Valid, 26728 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:24:39,614 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6566 states.
[2024-12-02 13:24:39,658 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6566 to 6566.
[2024-12-02 13:24:39,663 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6566 states, 6565 states have (on average 1.4938309215536938) internal successors, (9807), 6565 states have internal predecessors, (9807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:39,671 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6566 states to 6566 states and 9807 transitions.
[2024-12-02 13:24:39,671 INFO  L78                 Accepts]: Start accepts. Automaton has 6566 states and 9807 transitions. Word has length 3134
[2024-12-02 13:24:39,671 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:24:39,671 INFO  L471      AbstractCegarLoop]: Abstraction has 6566 states and 9807 transitions.
[2024-12-02 13:24:39,672 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 626.8) internal successors, (3134), 5 states have internal predecessors, (3134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:39,672 INFO  L276                IsEmpty]: Start isEmpty. Operand 6566 states and 9807 transitions.
[2024-12-02 13:24:39,735 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3135
[2024-12-02 13:24:39,736 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:24:39,736 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:24:39,736 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-12-02 13:24:39,736 INFO  L396      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:24:39,737 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:24:39,737 INFO  L85        PathProgramCache]: Analyzing trace with hash 2039572254, now seen corresponding path program 1 times
[2024-12-02 13:24:39,737 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:24:39,737 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050518172]
[2024-12-02 13:24:39,738 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:24:39,738 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:24:42,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:24:47,331 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:24:47,332 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:24:47,332 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050518172]
[2024-12-02 13:24:47,332 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050518172] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:24:47,332 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:24:47,332 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:24:47,332 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827872781]
[2024-12-02 13:24:47,333 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:24:47,334 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:24:47,335 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:24:47,337 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:24:47,337 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:24:47,338 INFO  L87              Difference]: Start difference. First operand 6566 states and 9807 transitions. Second operand  has 5 states, 5 states have (on average 626.8) internal successors, (3134), 5 states have internal predecessors, (3134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:48,653 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:24:48,653 INFO  L93              Difference]: Finished difference Result 12398 states and 18514 transitions.
[2024-12-02 13:24:48,654 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:24:48,655 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 626.8) internal successors, (3134), 5 states have internal predecessors, (3134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3134
[2024-12-02 13:24:48,655 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:24:48,660 INFO  L225             Difference]: With dead ends: 12398
[2024-12-02 13:24:48,660 INFO  L226             Difference]: Without dead ends: 6566
[2024-12-02 13:24:48,663 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:24:48,664 INFO  L435           NwaCegarLoop]: 8194 mSDtfsCounter, 16773 mSDsluCounter, 8191 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16773 SdHoareTripleChecker+Valid, 16385 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:24:48,664 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16773 Valid, 16385 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:24:48,670 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6566 states.
[2024-12-02 13:24:48,729 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6566 to 6566.
[2024-12-02 13:24:48,734 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6566 states, 6565 states have (on average 1.4936785986290937) internal successors, (9806), 6565 states have internal predecessors, (9806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:48,741 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6566 states to 6566 states and 9806 transitions.
[2024-12-02 13:24:48,741 INFO  L78                 Accepts]: Start accepts. Automaton has 6566 states and 9806 transitions. Word has length 3134
[2024-12-02 13:24:48,742 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:24:48,742 INFO  L471      AbstractCegarLoop]: Abstraction has 6566 states and 9806 transitions.
[2024-12-02 13:24:48,742 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 626.8) internal successors, (3134), 5 states have internal predecessors, (3134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:48,742 INFO  L276                IsEmpty]: Start isEmpty. Operand 6566 states and 9806 transitions.
[2024-12-02 13:24:48,789 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3136
[2024-12-02 13:24:48,789 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:24:48,789 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:24:48,790 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2024-12-02 13:24:48,790 INFO  L396      AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:24:48,790 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:24:48,790 INFO  L85        PathProgramCache]: Analyzing trace with hash -1435433365, now seen corresponding path program 1 times
[2024-12-02 13:24:48,791 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:24:48,791 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051634183]
[2024-12-02 13:24:48,791 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:24:48,791 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:24:49,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:24:52,490 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:24:52,490 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:24:52,490 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051634183]
[2024-12-02 13:24:52,490 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051634183] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:24:52,490 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:24:52,491 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:24:52,492 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683582863]
[2024-12-02 13:24:52,492 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:24:52,493 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:24:52,493 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:24:52,495 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:24:52,495 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:24:52,496 INFO  L87              Difference]: Start difference. First operand 6566 states and 9806 transitions. Second operand  has 4 states, 4 states have (on average 783.75) internal successors, (3135), 4 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:54,783 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:24:54,783 INFO  L93              Difference]: Finished difference Result 14811 states and 22132 transitions.
[2024-12-02 13:24:54,784 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:24:54,784 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 783.75) internal successors, (3135), 4 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3135
[2024-12-02 13:24:54,786 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:24:54,790 INFO  L225             Difference]: With dead ends: 14811
[2024-12-02 13:24:54,790 INFO  L226             Difference]: Without dead ends: 6566
[2024-12-02 13:24:54,795 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:24:54,795 INFO  L435           NwaCegarLoop]: 8634 mSDtfsCounter, 2210 mSDsluCounter, 16337 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2210 SdHoareTripleChecker+Valid, 24971 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:24:54,796 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2210 Valid, 24971 Invalid, 2067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 13:24:54,803 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6566 states.
[2024-12-02 13:24:54,846 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6566 to 6566.
[2024-12-02 13:24:54,852 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6566 states, 6565 states have (on average 1.4935262757044936) internal successors, (9805), 6565 states have internal predecessors, (9805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:54,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6566 states to 6566 states and 9805 transitions.
[2024-12-02 13:24:54,859 INFO  L78                 Accepts]: Start accepts. Automaton has 6566 states and 9805 transitions. Word has length 3135
[2024-12-02 13:24:54,859 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:24:54,859 INFO  L471      AbstractCegarLoop]: Abstraction has 6566 states and 9805 transitions.
[2024-12-02 13:24:54,860 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 783.75) internal successors, (3135), 4 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:24:54,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 6566 states and 9805 transitions.
[2024-12-02 13:24:54,907 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3136
[2024-12-02 13:24:54,908 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:24:54,908 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:24:54,908 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2024-12-02 13:24:54,908 INFO  L396      AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:24:54,909 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:24:54,909 INFO  L85        PathProgramCache]: Analyzing trace with hash 1395537084, now seen corresponding path program 1 times
[2024-12-02 13:24:54,909 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:24:54,909 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660843806]
[2024-12-02 13:24:54,910 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:24:54,910 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:24:56,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:25:00,929 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:25:00,930 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:25:00,930 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660843806]
[2024-12-02 13:25:00,930 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660843806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:25:00,930 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:25:00,930 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:25:00,930 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925459034]
[2024-12-02 13:25:00,930 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:25:00,931 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:25:00,931 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:25:00,933 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:25:00,933 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:25:00,933 INFO  L87              Difference]: Start difference. First operand 6566 states and 9805 transitions. Second operand  has 5 states, 5 states have (on average 627.0) internal successors, (3135), 5 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:03,281 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:25:03,281 INFO  L93              Difference]: Finished difference Result 12398 states and 18510 transitions.
[2024-12-02 13:25:03,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:25:03,282 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 627.0) internal successors, (3135), 5 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3135
[2024-12-02 13:25:03,283 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:25:03,287 INFO  L225             Difference]: With dead ends: 12398
[2024-12-02 13:25:03,287 INFO  L226             Difference]: Without dead ends: 6566
[2024-12-02 13:25:03,291 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:25:03,291 INFO  L435           NwaCegarLoop]: 7710 mSDtfsCounter, 17148 mSDsluCounter, 7705 mSDsCounter, 0 mSdLazyCounter, 2471 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17148 SdHoareTripleChecker+Valid, 15415 SdHoareTripleChecker+Invalid, 2476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:25:03,292 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17148 Valid, 15415 Invalid, 2476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2471 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 13:25:03,297 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6566 states.
[2024-12-02 13:25:03,340 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6566 to 6566.
[2024-12-02 13:25:03,346 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6566 states, 6565 states have (on average 1.4933739527798933) internal successors, (9804), 6565 states have internal predecessors, (9804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:03,352 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6566 states to 6566 states and 9804 transitions.
[2024-12-02 13:25:03,353 INFO  L78                 Accepts]: Start accepts. Automaton has 6566 states and 9804 transitions. Word has length 3135
[2024-12-02 13:25:03,353 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:25:03,353 INFO  L471      AbstractCegarLoop]: Abstraction has 6566 states and 9804 transitions.
[2024-12-02 13:25:03,354 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 627.0) internal successors, (3135), 5 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:03,354 INFO  L276                IsEmpty]: Start isEmpty. Operand 6566 states and 9804 transitions.
[2024-12-02 13:25:03,487 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3137
[2024-12-02 13:25:03,487 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:25:03,488 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:25:03,488 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2024-12-02 13:25:03,488 INFO  L396      AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:25:03,489 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:25:03,489 INFO  L85        PathProgramCache]: Analyzing trace with hash -96896698, now seen corresponding path program 1 times
[2024-12-02 13:25:03,489 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:25:03,489 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912104496]
[2024-12-02 13:25:03,490 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:25:03,490 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:25:06,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:25:10,573 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:25:10,573 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:25:10,573 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912104496]
[2024-12-02 13:25:10,573 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912104496] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:25:10,573 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:25:10,574 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:25:10,574 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573559920]
[2024-12-02 13:25:10,574 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:25:10,575 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:25:10,575 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:25:10,576 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:25:10,576 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:25:10,577 INFO  L87              Difference]: Start difference. First operand 6566 states and 9804 transitions. Second operand  has 5 states, 5 states have (on average 627.2) internal successors, (3136), 5 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:10,892 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:25:10,892 INFO  L93              Difference]: Finished difference Result 12399 states and 18510 transitions.
[2024-12-02 13:25:10,893 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:25:10,893 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 627.2) internal successors, (3136), 5 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3136
[2024-12-02 13:25:10,894 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:25:10,899 INFO  L225             Difference]: With dead ends: 12399
[2024-12-02 13:25:10,899 INFO  L226             Difference]: Without dead ends: 6567
[2024-12-02 13:25:10,903 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:25:10,903 INFO  L435           NwaCegarLoop]: 8909 mSDtfsCounter, 8192 mSDsluCounter, 17813 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8192 SdHoareTripleChecker+Valid, 26722 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:25:10,903 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8192 Valid, 26722 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:25:10,909 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6567 states.
[2024-12-02 13:25:10,952 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6567 to 6567.
[2024-12-02 13:25:10,957 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6567 states, 6566 states have (on average 1.4932988120621382) internal successors, (9805), 6566 states have internal predecessors, (9805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:10,964 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 9805 transitions.
[2024-12-02 13:25:10,964 INFO  L78                 Accepts]: Start accepts. Automaton has 6567 states and 9805 transitions. Word has length 3136
[2024-12-02 13:25:10,965 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:25:10,965 INFO  L471      AbstractCegarLoop]: Abstraction has 6567 states and 9805 transitions.
[2024-12-02 13:25:10,965 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 627.2) internal successors, (3136), 5 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:10,966 INFO  L276                IsEmpty]: Start isEmpty. Operand 6567 states and 9805 transitions.
[2024-12-02 13:25:11,012 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3137
[2024-12-02 13:25:11,012 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:25:11,013 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:25:11,013 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2024-12-02 13:25:11,013 INFO  L396      AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:25:11,014 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:25:11,014 INFO  L85        PathProgramCache]: Analyzing trace with hash -313750138, now seen corresponding path program 1 times
[2024-12-02 13:25:11,014 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:25:11,014 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683379211]
[2024-12-02 13:25:11,014 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:25:11,014 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:25:14,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:25:20,825 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:25:20,826 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:25:20,826 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683379211]
[2024-12-02 13:25:20,826 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683379211] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:25:20,826 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:25:20,827 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:25:20,827 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596741878]
[2024-12-02 13:25:20,827 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:25:20,829 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:25:20,829 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:25:20,831 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:25:20,832 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:25:20,833 INFO  L87              Difference]: Start difference. First operand 6567 states and 9805 transitions. Second operand  has 5 states, 5 states have (on average 627.2) internal successors, (3136), 5 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:22,295 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:25:22,295 INFO  L93              Difference]: Finished difference Result 12400 states and 18510 transitions.
[2024-12-02 13:25:22,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:25:22,297 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 627.2) internal successors, (3136), 5 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3136
[2024-12-02 13:25:22,298 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:25:22,305 INFO  L225             Difference]: With dead ends: 12400
[2024-12-02 13:25:22,305 INFO  L226             Difference]: Without dead ends: 6567
[2024-12-02 13:25:22,311 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:25:22,312 INFO  L435           NwaCegarLoop]: 8210 mSDtfsCounter, 15975 mSDsluCounter, 8207 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15975 SdHoareTripleChecker+Valid, 16417 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:25:22,312 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15975 Valid, 16417 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 13:25:22,325 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6567 states.
[2024-12-02 13:25:22,376 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6567 to 6567.
[2024-12-02 13:25:22,381 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6567 states, 6566 states have (on average 1.4931465123362777) internal successors, (9804), 6566 states have internal predecessors, (9804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:22,387 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 9804 transitions.
[2024-12-02 13:25:22,387 INFO  L78                 Accepts]: Start accepts. Automaton has 6567 states and 9804 transitions. Word has length 3136
[2024-12-02 13:25:22,388 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:25:22,388 INFO  L471      AbstractCegarLoop]: Abstraction has 6567 states and 9804 transitions.
[2024-12-02 13:25:22,389 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 627.2) internal successors, (3136), 5 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:22,389 INFO  L276                IsEmpty]: Start isEmpty. Operand 6567 states and 9804 transitions.
[2024-12-02 13:25:22,434 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3138
[2024-12-02 13:25:22,434 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:25:22,435 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:25:22,435 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2024-12-02 13:25:22,435 INFO  L396      AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:25:22,436 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:25:22,436 INFO  L85        PathProgramCache]: Analyzing trace with hash -664956418, now seen corresponding path program 1 times
[2024-12-02 13:25:22,436 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:25:22,437 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775253396]
[2024-12-02 13:25:22,437 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:25:22,437 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:25:23,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:25:26,083 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:25:26,083 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:25:26,083 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775253396]
[2024-12-02 13:25:26,083 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775253396] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:25:26,083 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:25:26,083 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:25:26,083 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616310858]
[2024-12-02 13:25:26,083 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:25:26,084 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:25:26,085 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:25:26,086 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:25:26,086 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:25:26,086 INFO  L87              Difference]: Start difference. First operand 6567 states and 9804 transitions. Second operand  has 4 states, 4 states have (on average 784.25) internal successors, (3137), 4 states have internal predecessors, (3137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:28,132 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:25:28,132 INFO  L93              Difference]: Finished difference Result 14026 states and 20947 transitions.
[2024-12-02 13:25:28,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:25:28,133 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 784.25) internal successors, (3137), 4 states have internal predecessors, (3137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3137
[2024-12-02 13:25:28,135 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:25:28,139 INFO  L225             Difference]: With dead ends: 14026
[2024-12-02 13:25:28,140 INFO  L226             Difference]: Without dead ends: 6567
[2024-12-02 13:25:28,144 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:25:28,144 INFO  L435           NwaCegarLoop]: 8644 mSDtfsCounter, 1432 mSDsluCounter, 16346 mSDsCounter, 0 mSdLazyCounter, 1838 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 24990 SdHoareTripleChecker+Invalid, 2030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:25:28,144 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1432 Valid, 24990 Invalid, 2030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1838 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 13:25:28,151 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6567 states.
[2024-12-02 13:25:28,201 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6567 to 6567.
[2024-12-02 13:25:28,207 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6567 states, 6566 states have (on average 1.4929942126104172) internal successors, (9803), 6566 states have internal predecessors, (9803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:28,214 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 9803 transitions.
[2024-12-02 13:25:28,214 INFO  L78                 Accepts]: Start accepts. Automaton has 6567 states and 9803 transitions. Word has length 3137
[2024-12-02 13:25:28,215 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:25:28,215 INFO  L471      AbstractCegarLoop]: Abstraction has 6567 states and 9803 transitions.
[2024-12-02 13:25:28,215 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 784.25) internal successors, (3137), 4 states have internal predecessors, (3137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:28,215 INFO  L276                IsEmpty]: Start isEmpty. Operand 6567 states and 9803 transitions.
[2024-12-02 13:25:28,263 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3138
[2024-12-02 13:25:28,263 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:25:28,264 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:25:28,264 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51
[2024-12-02 13:25:28,264 INFO  L396      AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:25:28,265 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:25:28,265 INFO  L85        PathProgramCache]: Analyzing trace with hash -968986225, now seen corresponding path program 1 times
[2024-12-02 13:25:28,265 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:25:28,266 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26280556]
[2024-12-02 13:25:28,266 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:25:28,266 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:25:29,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:25:35,192 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:25:35,193 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:25:35,193 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26280556]
[2024-12-02 13:25:35,193 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26280556] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:25:35,193 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:25:35,193 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:25:35,193 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696907738]
[2024-12-02 13:25:35,193 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:25:35,194 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:25:35,194 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:25:35,196 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:25:35,196 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:25:35,197 INFO  L87              Difference]: Start difference. First operand 6567 states and 9803 transitions. Second operand  has 5 states, 5 states have (on average 627.4) internal successors, (3137), 5 states have internal predecessors, (3137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:37,676 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:25:37,676 INFO  L93              Difference]: Finished difference Result 12400 states and 18506 transitions.
[2024-12-02 13:25:37,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:25:37,677 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 627.4) internal successors, (3137), 5 states have internal predecessors, (3137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3137
[2024-12-02 13:25:37,678 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:25:37,683 INFO  L225             Difference]: With dead ends: 12400
[2024-12-02 13:25:37,683 INFO  L226             Difference]: Without dead ends: 6567
[2024-12-02 13:25:37,687 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:25:37,687 INFO  L435           NwaCegarLoop]: 7709 mSDtfsCounter, 16362 mSDsluCounter, 7703 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16362 SdHoareTripleChecker+Valid, 15412 SdHoareTripleChecker+Invalid, 2472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:25:37,687 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16362 Valid, 15412 Invalid, 2472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 13:25:37,693 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6567 states.
[2024-12-02 13:25:37,738 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6567 to 6567.
[2024-12-02 13:25:37,743 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6567 states, 6566 states have (on average 1.4928419128845567) internal successors, (9802), 6566 states have internal predecessors, (9802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:37,750 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 9802 transitions.
[2024-12-02 13:25:37,750 INFO  L78                 Accepts]: Start accepts. Automaton has 6567 states and 9802 transitions. Word has length 3137
[2024-12-02 13:25:37,751 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:25:37,751 INFO  L471      AbstractCegarLoop]: Abstraction has 6567 states and 9802 transitions.
[2024-12-02 13:25:37,751 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 627.4) internal successors, (3137), 5 states have internal predecessors, (3137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:37,751 INFO  L276                IsEmpty]: Start isEmpty. Operand 6567 states and 9802 transitions.
[2024-12-02 13:25:37,798 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3139
[2024-12-02 13:25:37,799 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:25:37,799 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:25:37,799 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52
[2024-12-02 13:25:37,800 INFO  L396      AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:25:37,800 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:25:37,801 INFO  L85        PathProgramCache]: Analyzing trace with hash 791301902, now seen corresponding path program 1 times
[2024-12-02 13:25:37,801 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:25:37,801 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783207964]
[2024-12-02 13:25:37,801 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:25:37,801 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:25:40,985 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:25:45,601 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:25:45,601 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:25:45,601 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783207964]
[2024-12-02 13:25:45,601 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783207964] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:25:45,601 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:25:45,601 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:25:45,601 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887044787]
[2024-12-02 13:25:45,601 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:25:45,603 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:25:45,603 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:25:45,604 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:25:45,604 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:25:45,604 INFO  L87              Difference]: Start difference. First operand 6567 states and 9802 transitions. Second operand  has 5 states, 5 states have (on average 627.6) internal successors, (3138), 5 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:45,770 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:25:45,770 INFO  L93              Difference]: Finished difference Result 12401 states and 18506 transitions.
[2024-12-02 13:25:45,771 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:25:45,771 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 627.6) internal successors, (3138), 5 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3138
[2024-12-02 13:25:45,772 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:25:45,777 INFO  L225             Difference]: With dead ends: 12401
[2024-12-02 13:25:45,777 INFO  L226             Difference]: Without dead ends: 6568
[2024-12-02 13:25:45,780 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:25:45,781 INFO  L435           NwaCegarLoop]: 8924 mSDtfsCounter, 7793 mSDsluCounter, 17843 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7793 SdHoareTripleChecker+Valid, 26767 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:25:45,781 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7793 Valid, 26767 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:25:45,786 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6568 states.
[2024-12-02 13:25:45,829 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6568 to 6568.
[2024-12-02 13:25:45,835 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6568 states, 6567 states have (on average 1.4927668646261611) internal successors, (9803), 6567 states have internal predecessors, (9803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:45,842 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 9803 transitions.
[2024-12-02 13:25:45,842 INFO  L78                 Accepts]: Start accepts. Automaton has 6568 states and 9803 transitions. Word has length 3138
[2024-12-02 13:25:45,843 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:25:45,843 INFO  L471      AbstractCegarLoop]: Abstraction has 6568 states and 9803 transitions.
[2024-12-02 13:25:45,843 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 627.6) internal successors, (3138), 5 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:45,844 INFO  L276                IsEmpty]: Start isEmpty. Operand 6568 states and 9803 transitions.
[2024-12-02 13:25:45,891 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3139
[2024-12-02 13:25:45,891 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:25:45,892 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:25:45,892 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53
[2024-12-02 13:25:45,892 INFO  L396      AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:25:45,893 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:25:45,893 INFO  L85        PathProgramCache]: Analyzing trace with hash 2122953550, now seen corresponding path program 1 times
[2024-12-02 13:25:45,893 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:25:45,893 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262261411]
[2024-12-02 13:25:45,894 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:25:45,894 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:25:48,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:25:53,234 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:25:53,234 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:25:53,234 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262261411]
[2024-12-02 13:25:53,234 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262261411] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:25:53,234 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:25:53,234 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:25:53,234 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799292758]
[2024-12-02 13:25:53,234 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:25:53,236 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:25:53,236 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:25:53,237 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:25:53,237 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:25:53,238 INFO  L87              Difference]: Start difference. First operand 6568 states and 9803 transitions. Second operand  has 5 states, 5 states have (on average 627.6) internal successors, (3138), 5 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:54,534 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:25:54,534 INFO  L93              Difference]: Finished difference Result 12402 states and 18506 transitions.
[2024-12-02 13:25:54,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:25:54,535 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 627.6) internal successors, (3138), 5 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3138
[2024-12-02 13:25:54,536 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:25:54,541 INFO  L225             Difference]: With dead ends: 12402
[2024-12-02 13:25:54,541 INFO  L226             Difference]: Without dead ends: 6568
[2024-12-02 13:25:54,545 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:25:54,545 INFO  L435           NwaCegarLoop]: 8190 mSDtfsCounter, 8171 mSDsluCounter, 8188 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8171 SdHoareTripleChecker+Valid, 16378 SdHoareTripleChecker+Invalid, 1501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:25:54,545 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8171 Valid, 16378 Invalid, 1501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:25:54,551 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6568 states.
[2024-12-02 13:25:54,594 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6568 to 6568.
[2024-12-02 13:25:54,599 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6568 states, 6567 states have (on average 1.492614588091975) internal successors, (9802), 6567 states have internal predecessors, (9802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:54,606 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 9802 transitions.
[2024-12-02 13:25:54,607 INFO  L78                 Accepts]: Start accepts. Automaton has 6568 states and 9802 transitions. Word has length 3138
[2024-12-02 13:25:54,607 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:25:54,607 INFO  L471      AbstractCegarLoop]: Abstraction has 6568 states and 9802 transitions.
[2024-12-02 13:25:54,608 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 627.6) internal successors, (3138), 5 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:25:54,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 6568 states and 9802 transitions.
[2024-12-02 13:25:54,655 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3140
[2024-12-02 13:25:54,655 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:25:54,656 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:25:54,656 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54
[2024-12-02 13:25:54,656 INFO  L396      AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:25:54,657 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:25:54,657 INFO  L85        PathProgramCache]: Analyzing trace with hash 1387962468, now seen corresponding path program 1 times
[2024-12-02 13:25:54,657 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:25:54,657 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009278184]
[2024-12-02 13:25:54,658 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:25:54,658 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:25:55,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:25:58,018 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:25:58,018 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:25:58,018 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009278184]
[2024-12-02 13:25:58,018 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009278184] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:25:58,018 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:25:58,018 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:25:58,018 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357330305]
[2024-12-02 13:25:58,018 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:25:58,020 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:25:58,020 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:25:58,022 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:25:58,022 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:25:58,022 INFO  L87              Difference]: Start difference. First operand 6568 states and 9802 transitions. Second operand  has 4 states, 4 states have (on average 784.75) internal successors, (3139), 4 states have internal predecessors, (3139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:00,304 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:26:00,304 INFO  L93              Difference]: Finished difference Result 14000 states and 20901 transitions.
[2024-12-02 13:26:00,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:26:00,305 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 784.75) internal successors, (3139), 4 states have internal predecessors, (3139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3139
[2024-12-02 13:26:00,307 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:26:00,312 INFO  L225             Difference]: With dead ends: 14000
[2024-12-02 13:26:00,312 INFO  L226             Difference]: Without dead ends: 6568
[2024-12-02 13:26:00,316 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:26:00,316 INFO  L435           NwaCegarLoop]: 8647 mSDtfsCounter, 1408 mSDsluCounter, 16348 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 24995 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:26:00,316 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 24995 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1824 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 13:26:00,322 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6568 states.
[2024-12-02 13:26:00,367 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6568 to 6568.
[2024-12-02 13:26:00,373 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6568 states, 6567 states have (on average 1.4924623115577889) internal successors, (9801), 6567 states have internal predecessors, (9801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:00,380 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 9801 transitions.
[2024-12-02 13:26:00,380 INFO  L78                 Accepts]: Start accepts. Automaton has 6568 states and 9801 transitions. Word has length 3139
[2024-12-02 13:26:00,381 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:26:00,381 INFO  L471      AbstractCegarLoop]: Abstraction has 6568 states and 9801 transitions.
[2024-12-02 13:26:00,382 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 784.75) internal successors, (3139), 4 states have internal predecessors, (3139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:00,382 INFO  L276                IsEmpty]: Start isEmpty. Operand 6568 states and 9801 transitions.
[2024-12-02 13:26:00,429 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3140
[2024-12-02 13:26:00,429 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:26:00,430 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:26:00,430 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55
[2024-12-02 13:26:00,430 INFO  L396      AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:26:00,430 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:26:00,431 INFO  L85        PathProgramCache]: Analyzing trace with hash 1883546037, now seen corresponding path program 1 times
[2024-12-02 13:26:00,431 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:26:00,431 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274042519]
[2024-12-02 13:26:00,431 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:26:00,431 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:26:01,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:26:07,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:26:07,098 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:26:07,098 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274042519]
[2024-12-02 13:26:07,098 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274042519] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:26:07,098 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:26:07,099 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:26:07,099 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020537671]
[2024-12-02 13:26:07,099 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:26:07,100 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:26:07,100 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:26:07,101 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:26:07,101 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:26:07,102 INFO  L87              Difference]: Start difference. First operand 6568 states and 9801 transitions. Second operand  has 5 states, 5 states have (on average 627.8) internal successors, (3139), 5 states have internal predecessors, (3139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:09,466 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:26:09,466 INFO  L93              Difference]: Finished difference Result 12402 states and 18502 transitions.
[2024-12-02 13:26:09,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:26:09,468 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 627.8) internal successors, (3139), 5 states have internal predecessors, (3139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3139
[2024-12-02 13:26:09,469 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:26:09,473 INFO  L225             Difference]: With dead ends: 12402
[2024-12-02 13:26:09,473 INFO  L226             Difference]: Without dead ends: 6568
[2024-12-02 13:26:09,477 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:26:09,477 INFO  L435           NwaCegarLoop]: 7708 mSDtfsCounter, 8167 mSDsluCounter, 7703 mSDsCounter, 0 mSdLazyCounter, 2463 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8167 SdHoareTripleChecker+Valid, 15411 SdHoareTripleChecker+Invalid, 2464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:26:09,477 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8167 Valid, 15411 Invalid, 2464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2463 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 13:26:09,483 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6568 states.
[2024-12-02 13:26:09,527 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6568 to 6568.
[2024-12-02 13:26:09,533 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6568 states, 6567 states have (on average 1.492310035023603) internal successors, (9800), 6567 states have internal predecessors, (9800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:09,540 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 9800 transitions.
[2024-12-02 13:26:09,540 INFO  L78                 Accepts]: Start accepts. Automaton has 6568 states and 9800 transitions. Word has length 3139
[2024-12-02 13:26:09,541 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:26:09,541 INFO  L471      AbstractCegarLoop]: Abstraction has 6568 states and 9800 transitions.
[2024-12-02 13:26:09,541 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 627.8) internal successors, (3139), 5 states have internal predecessors, (3139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:09,541 INFO  L276                IsEmpty]: Start isEmpty. Operand 6568 states and 9800 transitions.
[2024-12-02 13:26:09,588 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3141
[2024-12-02 13:26:09,588 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:26:09,589 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:26:09,589 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56
[2024-12-02 13:26:09,589 INFO  L396      AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:26:09,590 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:26:09,590 INFO  L85        PathProgramCache]: Analyzing trace with hash 556013206, now seen corresponding path program 1 times
[2024-12-02 13:26:09,590 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:26:09,590 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46148927]
[2024-12-02 13:26:09,591 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:26:09,591 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:26:12,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:26:17,608 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:26:17,608 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:26:17,608 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46148927]
[2024-12-02 13:26:17,608 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46148927] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:26:17,608 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:26:17,608 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:26:17,609 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143812043]
[2024-12-02 13:26:17,609 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:26:17,610 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:26:17,610 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:26:17,611 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:26:17,611 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:26:17,612 INFO  L87              Difference]: Start difference. First operand 6568 states and 9800 transitions. Second operand  has 5 states, 5 states have (on average 628.0) internal successors, (3140), 5 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:18,041 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:26:18,041 INFO  L93              Difference]: Finished difference Result 12403 states and 18502 transitions.
[2024-12-02 13:26:18,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:26:18,042 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 628.0) internal successors, (3140), 5 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3140
[2024-12-02 13:26:18,043 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:26:18,048 INFO  L225             Difference]: With dead ends: 12403
[2024-12-02 13:26:18,048 INFO  L226             Difference]: Without dead ends: 6569
[2024-12-02 13:26:18,051 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:26:18,051 INFO  L435           NwaCegarLoop]: 8903 mSDtfsCounter, 7774 mSDsluCounter, 17802 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7774 SdHoareTripleChecker+Valid, 26705 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:26:18,052 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7774 Valid, 26705 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:26:18,057 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6569 states.
[2024-12-02 13:26:18,098 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6569 to 6569.
[2024-12-02 13:26:18,103 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6569 states, 6568 states have (on average 1.4922350791717418) internal successors, (9801), 6568 states have internal predecessors, (9801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:18,110 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 9801 transitions.
[2024-12-02 13:26:18,110 INFO  L78                 Accepts]: Start accepts. Automaton has 6569 states and 9801 transitions. Word has length 3140
[2024-12-02 13:26:18,110 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:26:18,110 INFO  L471      AbstractCegarLoop]: Abstraction has 6569 states and 9801 transitions.
[2024-12-02 13:26:18,111 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 628.0) internal successors, (3140), 5 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:18,111 INFO  L276                IsEmpty]: Start isEmpty. Operand 6569 states and 9801 transitions.
[2024-12-02 13:26:18,157 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3141
[2024-12-02 13:26:18,157 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:26:18,158 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:26:18,158 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57
[2024-12-02 13:26:18,158 INFO  L396      AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:26:18,159 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:26:18,159 INFO  L85        PathProgramCache]: Analyzing trace with hash -1377047850, now seen corresponding path program 1 times
[2024-12-02 13:26:18,159 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:26:18,159 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86654306]
[2024-12-02 13:26:18,160 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:26:18,160 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:26:21,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:26:26,089 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:26:26,089 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:26:26,089 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86654306]
[2024-12-02 13:26:26,089 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86654306] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:26:26,089 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:26:26,090 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:26:26,090 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492003108]
[2024-12-02 13:26:26,090 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:26:26,091 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:26:26,091 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:26:26,092 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:26:26,093 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:26:26,093 INFO  L87              Difference]: Start difference. First operand 6569 states and 9801 transitions. Second operand  has 5 states, 5 states have (on average 628.0) internal successors, (3140), 5 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:27,486 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:26:27,486 INFO  L93              Difference]: Finished difference Result 12404 states and 18502 transitions.
[2024-12-02 13:26:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:26:27,487 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 628.0) internal successors, (3140), 5 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3140
[2024-12-02 13:26:27,488 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:26:27,493 INFO  L225             Difference]: With dead ends: 12404
[2024-12-02 13:26:27,493 INFO  L226             Difference]: Without dead ends: 6569
[2024-12-02 13:26:27,496 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:26:27,496 INFO  L435           NwaCegarLoop]: 8188 mSDtfsCounter, 15907 mSDsluCounter, 8185 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15907 SdHoareTripleChecker+Valid, 16373 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:26:27,496 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15907 Valid, 16373 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1498 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 13:26:27,502 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6569 states.
[2024-12-02 13:26:27,544 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6569 to 6569.
[2024-12-02 13:26:27,549 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6569 states, 6568 states have (on average 1.4920828258221681) internal successors, (9800), 6568 states have internal predecessors, (9800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:27,556 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 9800 transitions.
[2024-12-02 13:26:27,556 INFO  L78                 Accepts]: Start accepts. Automaton has 6569 states and 9800 transitions. Word has length 3140
[2024-12-02 13:26:27,557 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:26:27,557 INFO  L471      AbstractCegarLoop]: Abstraction has 6569 states and 9800 transitions.
[2024-12-02 13:26:27,557 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 628.0) internal successors, (3140), 5 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:27,557 INFO  L276                IsEmpty]: Start isEmpty. Operand 6569 states and 9800 transitions.
[2024-12-02 13:26:27,604 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3142
[2024-12-02 13:26:27,604 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:26:27,605 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:26:27,605 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58
[2024-12-02 13:26:27,605 INFO  L396      AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:26:27,606 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:26:27,606 INFO  L85        PathProgramCache]: Analyzing trace with hash -1319982084, now seen corresponding path program 1 times
[2024-12-02 13:26:27,606 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:26:27,607 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924743899]
[2024-12-02 13:26:27,607 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:26:27,607 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:26:28,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:26:31,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:26:31,266 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:26:31,266 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924743899]
[2024-12-02 13:26:31,266 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924743899] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:26:31,266 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:26:31,266 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:26:31,266 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793106437]
[2024-12-02 13:26:31,266 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:26:31,267 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:26:31,268 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:26:31,269 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:26:31,269 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:26:31,269 INFO  L87              Difference]: Start difference. First operand 6569 states and 9800 transitions. Second operand  has 4 states, 4 states have (on average 785.25) internal successors, (3141), 4 states have internal predecessors, (3141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:33,557 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:26:33,557 INFO  L93              Difference]: Finished difference Result 13982 states and 20867 transitions.
[2024-12-02 13:26:33,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:26:33,558 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 785.25) internal successors, (3141), 4 states have internal predecessors, (3141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3141
[2024-12-02 13:26:33,560 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:26:33,564 INFO  L225             Difference]: With dead ends: 13982
[2024-12-02 13:26:33,564 INFO  L226             Difference]: Without dead ends: 6569
[2024-12-02 13:26:33,567 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:26:33,567 INFO  L435           NwaCegarLoop]: 8650 mSDtfsCounter, 1392 mSDsluCounter, 16350 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1392 SdHoareTripleChecker+Valid, 25000 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:26:33,567 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1392 Valid, 25000 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1810 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 13:26:33,572 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6569 states.
[2024-12-02 13:26:33,613 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6569 to 6569.
[2024-12-02 13:26:33,618 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6569 states, 6568 states have (on average 1.4919305724725944) internal successors, (9799), 6568 states have internal predecessors, (9799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:33,625 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 9799 transitions.
[2024-12-02 13:26:33,625 INFO  L78                 Accepts]: Start accepts. Automaton has 6569 states and 9799 transitions. Word has length 3141
[2024-12-02 13:26:33,626 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:26:33,626 INFO  L471      AbstractCegarLoop]: Abstraction has 6569 states and 9799 transitions.
[2024-12-02 13:26:33,626 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 785.25) internal successors, (3141), 4 states have internal predecessors, (3141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:33,627 INFO  L276                IsEmpty]: Start isEmpty. Operand 6569 states and 9799 transitions.
[2024-12-02 13:26:33,673 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3142
[2024-12-02 13:26:33,673 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:26:33,673 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:26:33,674 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59
[2024-12-02 13:26:33,674 INFO  L396      AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:26:33,674 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:26:33,675 INFO  L85        PathProgramCache]: Analyzing trace with hash -587338099, now seen corresponding path program 1 times
[2024-12-02 13:26:33,675 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:26:33,675 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658182925]
[2024-12-02 13:26:33,675 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:26:33,675 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:26:35,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:26:39,878 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:26:39,878 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:26:39,878 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658182925]
[2024-12-02 13:26:39,878 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658182925] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:26:39,878 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:26:39,879 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:26:39,879 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125001142]
[2024-12-02 13:26:39,879 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:26:39,880 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:26:39,880 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:26:39,881 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:26:39,881 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:26:39,882 INFO  L87              Difference]: Start difference. First operand 6569 states and 9799 transitions. Second operand  has 5 states, 5 states have (on average 628.2) internal successors, (3141), 5 states have internal predecessors, (3141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:42,378 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:26:42,378 INFO  L93              Difference]: Finished difference Result 12404 states and 18498 transitions.
[2024-12-02 13:26:42,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:26:42,380 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 628.2) internal successors, (3141), 5 states have internal predecessors, (3141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3141
[2024-12-02 13:26:42,380 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:26:42,385 INFO  L225             Difference]: With dead ends: 12404
[2024-12-02 13:26:42,385 INFO  L226             Difference]: Without dead ends: 6569
[2024-12-02 13:26:42,389 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:26:42,389 INFO  L435           NwaCegarLoop]: 7707 mSDtfsCounter, 8146 mSDsluCounter, 7703 mSDsCounter, 0 mSdLazyCounter, 2459 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8146 SdHoareTripleChecker+Valid, 15410 SdHoareTripleChecker+Invalid, 2460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:26:42,390 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8146 Valid, 15410 Invalid, 2460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2459 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 13:26:42,395 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6569 states.
[2024-12-02 13:26:42,438 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6569 to 6569.
[2024-12-02 13:26:42,444 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6569 states, 6568 states have (on average 1.4917783191230207) internal successors, (9798), 6568 states have internal predecessors, (9798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:42,451 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 9798 transitions.
[2024-12-02 13:26:42,451 INFO  L78                 Accepts]: Start accepts. Automaton has 6569 states and 9798 transitions. Word has length 3141
[2024-12-02 13:26:42,452 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:26:42,452 INFO  L471      AbstractCegarLoop]: Abstraction has 6569 states and 9798 transitions.
[2024-12-02 13:26:42,452 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 628.2) internal successors, (3141), 5 states have internal predecessors, (3141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:42,452 INFO  L276                IsEmpty]: Start isEmpty. Operand 6569 states and 9798 transitions.
[2024-12-02 13:26:42,499 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3143
[2024-12-02 13:26:42,500 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:26:42,500 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:26:42,500 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60
[2024-12-02 13:26:42,500 INFO  L396      AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:26:42,501 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:26:42,502 INFO  L85        PathProgramCache]: Analyzing trace with hash -1600759266, now seen corresponding path program 1 times
[2024-12-02 13:26:42,502 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:26:42,502 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353598789]
[2024-12-02 13:26:42,502 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:26:42,502 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:26:45,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:26:50,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:26:50,866 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:26:50,866 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353598789]
[2024-12-02 13:26:50,866 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353598789] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:26:50,866 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:26:50,866 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:26:50,866 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741079369]
[2024-12-02 13:26:50,866 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:26:50,868 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:26:50,868 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:26:50,869 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:26:50,870 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:26:50,870 INFO  L87              Difference]: Start difference. First operand 6569 states and 9798 transitions. Second operand  has 5 states, 5 states have (on average 628.4) internal successors, (3142), 5 states have internal predecessors, (3142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:51,312 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:26:51,312 INFO  L93              Difference]: Finished difference Result 12405 states and 18498 transitions.
[2024-12-02 13:26:51,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:26:51,313 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 628.4) internal successors, (3142), 5 states have internal predecessors, (3142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3142
[2024-12-02 13:26:51,314 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:26:51,319 INFO  L225             Difference]: With dead ends: 12405
[2024-12-02 13:26:51,319 INFO  L226             Difference]: Without dead ends: 6570
[2024-12-02 13:26:51,322 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:26:51,323 INFO  L435           NwaCegarLoop]: 8900 mSDtfsCounter, 7759 mSDsluCounter, 17796 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7759 SdHoareTripleChecker+Valid, 26696 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:26:51,323 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7759 Valid, 26696 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:26:51,328 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6570 states.
[2024-12-02 13:26:51,370 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6570 to 6570.
[2024-12-02 13:26:51,375 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6570 states, 6569 states have (on average 1.491703455624905) internal successors, (9799), 6569 states have internal predecessors, (9799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:51,382 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9799 transitions.
[2024-12-02 13:26:51,382 INFO  L78                 Accepts]: Start accepts. Automaton has 6570 states and 9799 transitions. Word has length 3142
[2024-12-02 13:26:51,383 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:26:51,383 INFO  L471      AbstractCegarLoop]: Abstraction has 6570 states and 9799 transitions.
[2024-12-02 13:26:51,383 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 628.4) internal successors, (3142), 5 states have internal predecessors, (3142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:26:51,384 INFO  L276                IsEmpty]: Start isEmpty. Operand 6570 states and 9799 transitions.
[2024-12-02 13:26:51,430 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3143
[2024-12-02 13:26:51,431 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:26:51,431 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:26:51,431 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61
[2024-12-02 13:26:51,431 INFO  L396      AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:26:51,432 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:26:51,432 INFO  L85        PathProgramCache]: Analyzing trace with hash 17727070, now seen corresponding path program 1 times
[2024-12-02 13:26:51,432 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:26:51,433 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060575786]
[2024-12-02 13:26:51,433 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:26:51,433 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:26:55,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:27:01,831 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:27:01,831 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:27:01,832 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060575786]
[2024-12-02 13:27:01,832 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060575786] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:27:01,832 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:27:01,832 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:27:01,832 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134978082]
[2024-12-02 13:27:01,832 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:27:01,833 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:27:01,834 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:27:01,835 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:27:01,835 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:27:01,836 INFO  L87              Difference]: Start difference. First operand 6570 states and 9799 transitions. Second operand  has 5 states, 5 states have (on average 628.4) internal successors, (3142), 5 states have internal predecessors, (3142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:03,191 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:27:03,191 INFO  L93              Difference]: Finished difference Result 12406 states and 18498 transitions.
[2024-12-02 13:27:03,192 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:27:03,193 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 628.4) internal successors, (3142), 5 states have internal predecessors, (3142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3142
[2024-12-02 13:27:03,193 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:27:03,199 INFO  L225             Difference]: With dead ends: 12406
[2024-12-02 13:27:03,199 INFO  L226             Difference]: Without dead ends: 6570
[2024-12-02 13:27:03,202 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:27:03,203 INFO  L435           NwaCegarLoop]: 8186 mSDtfsCounter, 8141 mSDsluCounter, 8184 mSDsCounter, 0 mSdLazyCounter, 1496 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8141 SdHoareTripleChecker+Valid, 16370 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:27:03,203 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8141 Valid, 16370 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1496 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:27:03,209 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6570 states.
[2024-12-02 13:27:03,252 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6570 to 6570.
[2024-12-02 13:27:03,257 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6570 states, 6569 states have (on average 1.4915512254528847) internal successors, (9798), 6569 states have internal predecessors, (9798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:03,264 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9798 transitions.
[2024-12-02 13:27:03,264 INFO  L78                 Accepts]: Start accepts. Automaton has 6570 states and 9798 transitions. Word has length 3142
[2024-12-02 13:27:03,264 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:27:03,265 INFO  L471      AbstractCegarLoop]: Abstraction has 6570 states and 9798 transitions.
[2024-12-02 13:27:03,265 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 628.4) internal successors, (3142), 5 states have internal predecessors, (3142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:03,265 INFO  L276                IsEmpty]: Start isEmpty. Operand 6570 states and 9798 transitions.
[2024-12-02 13:27:03,312 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3144
[2024-12-02 13:27:03,312 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:27:03,313 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:27:03,313 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62
[2024-12-02 13:27:03,313 INFO  L396      AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:27:03,313 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:27:03,314 INFO  L85        PathProgramCache]: Analyzing trace with hash 1588593556, now seen corresponding path program 1 times
[2024-12-02 13:27:03,314 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:27:03,314 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418564090]
[2024-12-02 13:27:03,314 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:27:03,314 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:27:03,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:27:07,605 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:27:07,605 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:27:07,606 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418564090]
[2024-12-02 13:27:07,606 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418564090] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:27:07,606 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:27:07,606 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:27:07,606 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802419361]
[2024-12-02 13:27:07,606 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:27:07,608 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:27:07,608 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:27:07,609 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:27:07,610 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:27:07,610 INFO  L87              Difference]: Start difference. First operand 6570 states and 9798 transitions. Second operand  has 4 states, 4 states have (on average 785.75) internal successors, (3143), 4 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:09,741 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:27:09,742 INFO  L93              Difference]: Finished difference Result 13964 states and 20833 transitions.
[2024-12-02 13:27:09,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:27:09,743 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 785.75) internal successors, (3143), 4 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3143
[2024-12-02 13:27:09,744 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:27:09,749 INFO  L225             Difference]: With dead ends: 13964
[2024-12-02 13:27:09,749 INFO  L226             Difference]: Without dead ends: 6570
[2024-12-02 13:27:09,753 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:27:09,754 INFO  L435           NwaCegarLoop]: 8653 mSDtfsCounter, 1376 mSDsluCounter, 16352 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 25005 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:27:09,754 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 25005 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 13:27:09,761 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6570 states.
[2024-12-02 13:27:09,803 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6570 to 6570.
[2024-12-02 13:27:09,809 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6570 states, 6569 states have (on average 1.4913989952808646) internal successors, (9797), 6569 states have internal predecessors, (9797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:09,816 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9797 transitions.
[2024-12-02 13:27:09,816 INFO  L78                 Accepts]: Start accepts. Automaton has 6570 states and 9797 transitions. Word has length 3143
[2024-12-02 13:27:09,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:27:09,817 INFO  L471      AbstractCegarLoop]: Abstraction has 6570 states and 9797 transitions.
[2024-12-02 13:27:09,818 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 785.75) internal successors, (3143), 4 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:09,818 INFO  L276                IsEmpty]: Start isEmpty. Operand 6570 states and 9797 transitions.
[2024-12-02 13:27:09,865 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3144
[2024-12-02 13:27:09,865 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:27:09,866 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:27:09,866 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63
[2024-12-02 13:27:09,866 INFO  L396      AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:27:09,867 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:27:09,867 INFO  L85        PathProgramCache]: Analyzing trace with hash -1147070619, now seen corresponding path program 1 times
[2024-12-02 13:27:09,867 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:27:09,867 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198209600]
[2024-12-02 13:27:09,868 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:27:09,868 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:27:11,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:27:17,234 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:27:17,234 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:27:17,234 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198209600]
[2024-12-02 13:27:17,234 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198209600] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:27:17,234 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:27:17,235 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:27:17,235 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514641187]
[2024-12-02 13:27:17,235 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:27:17,237 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:27:17,237 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:27:17,240 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:27:17,240 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:27:17,241 INFO  L87              Difference]: Start difference. First operand 6570 states and 9797 transitions. Second operand  has 5 states, 5 states have (on average 628.6) internal successors, (3143), 5 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:19,810 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:27:19,811 INFO  L93              Difference]: Finished difference Result 12406 states and 18494 transitions.
[2024-12-02 13:27:19,811 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:27:19,812 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 628.6) internal successors, (3143), 5 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3143
[2024-12-02 13:27:19,813 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:27:19,818 INFO  L225             Difference]: With dead ends: 12406
[2024-12-02 13:27:19,818 INFO  L226             Difference]: Without dead ends: 6570
[2024-12-02 13:27:19,822 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:27:19,822 INFO  L435           NwaCegarLoop]: 7706 mSDtfsCounter, 16252 mSDsluCounter, 7701 mSDsCounter, 0 mSdLazyCounter, 2455 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16252 SdHoareTripleChecker+Valid, 15407 SdHoareTripleChecker+Invalid, 2460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:27:19,822 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16252 Valid, 15407 Invalid, 2460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2455 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 13:27:19,828 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6570 states.
[2024-12-02 13:27:19,871 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6570 to 6570.
[2024-12-02 13:27:19,877 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6570 states, 6569 states have (on average 1.4912467651088446) internal successors, (9796), 6569 states have internal predecessors, (9796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:19,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9796 transitions.
[2024-12-02 13:27:19,884 INFO  L78                 Accepts]: Start accepts. Automaton has 6570 states and 9796 transitions. Word has length 3143
[2024-12-02 13:27:19,885 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:27:19,885 INFO  L471      AbstractCegarLoop]: Abstraction has 6570 states and 9796 transitions.
[2024-12-02 13:27:19,885 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 628.6) internal successors, (3143), 5 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:19,885 INFO  L276                IsEmpty]: Start isEmpty. Operand 6570 states and 9796 transitions.
[2024-12-02 13:27:19,952 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3145
[2024-12-02 13:27:19,952 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:27:19,953 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:27:19,953 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64
[2024-12-02 13:27:19,953 INFO  L396      AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:27:19,954 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:27:19,954 INFO  L85        PathProgramCache]: Analyzing trace with hash -34899546, now seen corresponding path program 1 times
[2024-12-02 13:27:19,954 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:27:19,954 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584282678]
[2024-12-02 13:27:19,955 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:27:19,955 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:27:22,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:27:28,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:27:28,531 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:27:28,532 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584282678]
[2024-12-02 13:27:28,532 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584282678] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:27:28,532 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:27:28,533 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:27:28,533 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275295054]
[2024-12-02 13:27:28,533 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:27:28,535 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:27:28,535 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:27:28,536 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:27:28,536 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:27:28,536 INFO  L87              Difference]: Start difference. First operand 6570 states and 9796 transitions. Second operand  has 5 states, 5 states have (on average 628.8) internal successors, (3144), 5 states have internal predecessors, (3144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:28,746 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:27:28,746 INFO  L93              Difference]: Finished difference Result 12407 states and 18494 transitions.
[2024-12-02 13:27:28,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:27:28,747 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 628.8) internal successors, (3144), 5 states have internal predecessors, (3144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3144
[2024-12-02 13:27:28,748 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:27:28,753 INFO  L225             Difference]: With dead ends: 12407
[2024-12-02 13:27:28,753 INFO  L226             Difference]: Without dead ends: 6571
[2024-12-02 13:27:28,756 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:27:28,756 INFO  L435           NwaCegarLoop]: 8897 mSDtfsCounter, 7744 mSDsluCounter, 17790 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7744 SdHoareTripleChecker+Valid, 26687 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:27:28,757 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7744 Valid, 26687 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:27:28,762 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6571 states.
[2024-12-02 13:27:28,808 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6571 to 6571.
[2024-12-02 13:27:28,813 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6571 states, 6570 states have (on average 1.4911719939117198) internal successors, (9797), 6570 states have internal predecessors, (9797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:28,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 9797 transitions.
[2024-12-02 13:27:28,821 INFO  L78                 Accepts]: Start accepts. Automaton has 6571 states and 9797 transitions. Word has length 3144
[2024-12-02 13:27:28,822 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:27:28,822 INFO  L471      AbstractCegarLoop]: Abstraction has 6571 states and 9797 transitions.
[2024-12-02 13:27:28,822 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 628.8) internal successors, (3144), 5 states have internal predecessors, (3144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:28,822 INFO  L276                IsEmpty]: Start isEmpty. Operand 6571 states and 9797 transitions.
[2024-12-02 13:27:28,869 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3145
[2024-12-02 13:27:28,870 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:27:28,870 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:27:28,870 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65
[2024-12-02 13:27:28,870 INFO  L396      AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:27:28,871 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:27:28,871 INFO  L85        PathProgramCache]: Analyzing trace with hash -1288180250, now seen corresponding path program 1 times
[2024-12-02 13:27:28,871 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:27:28,871 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413510393]
[2024-12-02 13:27:28,872 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:27:28,872 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:27:31,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:27:38,328 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:27:38,328 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:27:38,328 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413510393]
[2024-12-02 13:27:38,328 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413510393] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:27:38,329 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:27:38,329 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:27:38,329 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249896127]
[2024-12-02 13:27:38,329 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:27:38,331 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:27:38,331 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:27:38,334 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:27:38,334 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:27:38,334 INFO  L87              Difference]: Start difference. First operand 6571 states and 9797 transitions. Second operand  has 5 states, 5 states have (on average 628.8) internal successors, (3144), 5 states have internal predecessors, (3144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:39,706 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:27:39,706 INFO  L93              Difference]: Finished difference Result 12408 states and 18494 transitions.
[2024-12-02 13:27:39,707 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:27:39,707 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 628.8) internal successors, (3144), 5 states have internal predecessors, (3144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3144
[2024-12-02 13:27:39,708 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:27:39,713 INFO  L225             Difference]: With dead ends: 12408
[2024-12-02 13:27:39,713 INFO  L226             Difference]: Without dead ends: 6571
[2024-12-02 13:27:39,717 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:27:39,717 INFO  L435           NwaCegarLoop]: 8184 mSDtfsCounter, 8126 mSDsluCounter, 8182 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8126 SdHoareTripleChecker+Valid, 16366 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:27:39,717 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8126 Valid, 16366 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:27:39,723 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6571 states.
[2024-12-02 13:27:39,767 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6571 to 6571.
[2024-12-02 13:27:39,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6571 states, 6570 states have (on average 1.4910197869101978) internal successors, (9796), 6570 states have internal predecessors, (9796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:39,779 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 9796 transitions.
[2024-12-02 13:27:39,779 INFO  L78                 Accepts]: Start accepts. Automaton has 6571 states and 9796 transitions. Word has length 3144
[2024-12-02 13:27:39,780 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:27:39,780 INFO  L471      AbstractCegarLoop]: Abstraction has 6571 states and 9796 transitions.
[2024-12-02 13:27:39,781 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 628.8) internal successors, (3144), 5 states have internal predecessors, (3144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:39,781 INFO  L276                IsEmpty]: Start isEmpty. Operand 6571 states and 9796 transitions.
[2024-12-02 13:27:39,874 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3146
[2024-12-02 13:27:39,874 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:27:39,875 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:27:39,875 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66
[2024-12-02 13:27:39,875 INFO  L396      AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:27:39,876 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:27:39,876 INFO  L85        PathProgramCache]: Analyzing trace with hash 1265510188, now seen corresponding path program 1 times
[2024-12-02 13:27:39,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:27:39,877 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085239086]
[2024-12-02 13:27:39,877 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:27:39,877 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:27:40,682 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:27:44,665 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:27:44,665 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:27:44,665 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085239086]
[2024-12-02 13:27:44,665 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085239086] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:27:44,665 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:27:44,666 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:27:44,666 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835912349]
[2024-12-02 13:27:44,666 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:27:44,667 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:27:44,667 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:27:44,668 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:27:44,668 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:27:44,669 INFO  L87              Difference]: Start difference. First operand 6571 states and 9796 transitions. Second operand  has 4 states, 4 states have (on average 786.25) internal successors, (3145), 4 states have internal predecessors, (3145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:46,891 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:27:46,891 INFO  L93              Difference]: Finished difference Result 13945 states and 20798 transitions.
[2024-12-02 13:27:46,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:27:46,893 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 786.25) internal successors, (3145), 4 states have internal predecessors, (3145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3145
[2024-12-02 13:27:46,894 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:27:46,899 INFO  L225             Difference]: With dead ends: 13945
[2024-12-02 13:27:46,899 INFO  L226             Difference]: Without dead ends: 6571
[2024-12-02 13:27:46,903 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:27:46,904 INFO  L435           NwaCegarLoop]: 8656 mSDtfsCounter, 1360 mSDsluCounter, 16354 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 25010 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:27:46,904 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 25010 Invalid, 1958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 13:27:46,910 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6571 states.
[2024-12-02 13:27:46,955 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6571 to 6571.
[2024-12-02 13:27:46,960 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6571 states, 6570 states have (on average 1.4908675799086757) internal successors, (9795), 6570 states have internal predecessors, (9795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:46,967 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 9795 transitions.
[2024-12-02 13:27:46,967 INFO  L78                 Accepts]: Start accepts. Automaton has 6571 states and 9795 transitions. Word has length 3145
[2024-12-02 13:27:46,968 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:27:46,968 INFO  L471      AbstractCegarLoop]: Abstraction has 6571 states and 9795 transitions.
[2024-12-02 13:27:46,969 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 786.25) internal successors, (3145), 4 states have internal predecessors, (3145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:46,969 INFO  L276                IsEmpty]: Start isEmpty. Operand 6571 states and 9795 transitions.
[2024-12-02 13:27:47,092 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3146
[2024-12-02 13:27:47,092 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:27:47,093 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:27:47,093 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67
[2024-12-02 13:27:47,093 INFO  L396      AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:27:47,093 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:27:47,094 INFO  L85        PathProgramCache]: Analyzing trace with hash 910007357, now seen corresponding path program 1 times
[2024-12-02 13:27:47,094 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:27:47,094 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067100820]
[2024-12-02 13:27:47,094 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:27:47,094 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:27:48,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:27:53,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:27:53,402 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:27:53,402 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067100820]
[2024-12-02 13:27:53,402 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067100820] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:27:53,402 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:27:53,402 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:27:53,402 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308830930]
[2024-12-02 13:27:53,402 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:27:53,403 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:27:53,403 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:27:53,404 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:27:53,405 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:27:53,405 INFO  L87              Difference]: Start difference. First operand 6571 states and 9795 transitions. Second operand  has 5 states, 5 states have (on average 629.0) internal successors, (3145), 5 states have internal predecessors, (3145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:55,980 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:27:55,980 INFO  L93              Difference]: Finished difference Result 12408 states and 18490 transitions.
[2024-12-02 13:27:55,981 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:27:55,982 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 629.0) internal successors, (3145), 5 states have internal predecessors, (3145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3145
[2024-12-02 13:27:55,983 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:27:55,989 INFO  L225             Difference]: With dead ends: 12408
[2024-12-02 13:27:55,989 INFO  L226             Difference]: Without dead ends: 6571
[2024-12-02 13:27:55,993 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:27:55,994 INFO  L435           NwaCegarLoop]: 7705 mSDtfsCounter, 8116 mSDsluCounter, 7701 mSDsCounter, 0 mSdLazyCounter, 2451 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8116 SdHoareTripleChecker+Valid, 15406 SdHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:27:55,994 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8116 Valid, 15406 Invalid, 2452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2451 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 13:27:56,004 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6571 states.
[2024-12-02 13:27:56,077 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6571 to 6571.
[2024-12-02 13:27:56,083 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6571 states, 6570 states have (on average 1.4907153729071538) internal successors, (9794), 6570 states have internal predecessors, (9794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:56,093 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 9794 transitions.
[2024-12-02 13:27:56,094 INFO  L78                 Accepts]: Start accepts. Automaton has 6571 states and 9794 transitions. Word has length 3145
[2024-12-02 13:27:56,095 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:27:56,095 INFO  L471      AbstractCegarLoop]: Abstraction has 6571 states and 9794 transitions.
[2024-12-02 13:27:56,095 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 629.0) internal successors, (3145), 5 states have internal predecessors, (3145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:27:56,096 INFO  L276                IsEmpty]: Start isEmpty. Operand 6571 states and 9794 transitions.
[2024-12-02 13:27:56,219 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3147
[2024-12-02 13:27:56,219 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:27:56,220 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:27:56,220 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68
[2024-12-02 13:27:56,220 INFO  L396      AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:27:56,221 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:27:56,221 INFO  L85        PathProgramCache]: Analyzing trace with hash -492178130, now seen corresponding path program 1 times
[2024-12-02 13:27:56,222 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:27:56,222 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997391087]
[2024-12-02 13:27:56,222 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:27:56,222 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:27:59,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:28:04,157 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:28:04,157 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:28:04,157 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997391087]
[2024-12-02 13:28:04,157 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997391087] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:28:04,157 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:28:04,158 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:28:04,158 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963193532]
[2024-12-02 13:28:04,158 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:28:04,159 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:28:04,159 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:28:04,160 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:28:04,160 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:28:04,161 INFO  L87              Difference]: Start difference. First operand 6571 states and 9794 transitions. Second operand  has 5 states, 5 states have (on average 629.2) internal successors, (3146), 5 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:04,389 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:28:04,389 INFO  L93              Difference]: Finished difference Result 12409 states and 18490 transitions.
[2024-12-02 13:28:04,390 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:28:04,391 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 629.2) internal successors, (3146), 5 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3146
[2024-12-02 13:28:04,391 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:28:04,395 INFO  L225             Difference]: With dead ends: 12409
[2024-12-02 13:28:04,395 INFO  L226             Difference]: Without dead ends: 6572
[2024-12-02 13:28:04,398 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:28:04,398 INFO  L435           NwaCegarLoop]: 8894 mSDtfsCounter, 7729 mSDsluCounter, 17784 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7729 SdHoareTripleChecker+Valid, 26678 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:28:04,398 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7729 Valid, 26678 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:28:04,403 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6572 states.
[2024-12-02 13:28:04,444 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6572.
[2024-12-02 13:28:04,450 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6572 states, 6571 states have (on average 1.4906406939583017) internal successors, (9795), 6571 states have internal predecessors, (9795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:04,456 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6572 states to 6572 states and 9795 transitions.
[2024-12-02 13:28:04,457 INFO  L78                 Accepts]: Start accepts. Automaton has 6572 states and 9795 transitions. Word has length 3146
[2024-12-02 13:28:04,457 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:28:04,457 INFO  L471      AbstractCegarLoop]: Abstraction has 6572 states and 9795 transitions.
[2024-12-02 13:28:04,458 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 629.2) internal successors, (3146), 5 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:04,458 INFO  L276                IsEmpty]: Start isEmpty. Operand 6572 states and 9795 transitions.
[2024-12-02 13:28:04,569 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3147
[2024-12-02 13:28:04,569 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:28:04,570 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:28:04,570 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69
[2024-12-02 13:28:04,570 INFO  L396      AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:28:04,571 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:28:04,571 INFO  L85        PathProgramCache]: Analyzing trace with hash -890324626, now seen corresponding path program 1 times
[2024-12-02 13:28:04,571 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:28:04,571 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164012343]
[2024-12-02 13:28:04,572 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:28:04,572 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:28:07,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:28:12,667 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:28:12,667 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:28:12,667 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164012343]
[2024-12-02 13:28:12,667 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164012343] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:28:12,667 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:28:12,668 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:28:12,668 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031655186]
[2024-12-02 13:28:12,668 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:28:12,669 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:28:12,669 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:28:12,670 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:28:12,670 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:28:12,671 INFO  L87              Difference]: Start difference. First operand 6572 states and 9795 transitions. Second operand  has 5 states, 5 states have (on average 629.2) internal successors, (3146), 5 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:13,964 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:28:13,964 INFO  L93              Difference]: Finished difference Result 12410 states and 18490 transitions.
[2024-12-02 13:28:13,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:28:13,965 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 629.2) internal successors, (3146), 5 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3146
[2024-12-02 13:28:13,966 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:28:13,971 INFO  L225             Difference]: With dead ends: 12410
[2024-12-02 13:28:13,971 INFO  L226             Difference]: Without dead ends: 6572
[2024-12-02 13:28:13,974 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:28:13,975 INFO  L435           NwaCegarLoop]: 8182 mSDtfsCounter, 15789 mSDsluCounter, 8179 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15789 SdHoareTripleChecker+Valid, 16361 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:28:13,975 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15789 Valid, 16361 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:28:13,980 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6572 states.
[2024-12-02 13:28:14,023 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6572.
[2024-12-02 13:28:14,028 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6572 states, 6571 states have (on average 1.4904885101202252) internal successors, (9794), 6571 states have internal predecessors, (9794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:14,035 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6572 states to 6572 states and 9794 transitions.
[2024-12-02 13:28:14,036 INFO  L78                 Accepts]: Start accepts. Automaton has 6572 states and 9794 transitions. Word has length 3146
[2024-12-02 13:28:14,036 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:28:14,036 INFO  L471      AbstractCegarLoop]: Abstraction has 6572 states and 9794 transitions.
[2024-12-02 13:28:14,037 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 629.2) internal successors, (3146), 5 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:14,037 INFO  L276                IsEmpty]: Start isEmpty. Operand 6572 states and 9794 transitions.
[2024-12-02 13:28:14,084 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3148
[2024-12-02 13:28:14,084 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:28:14,085 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:28:14,085 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70
[2024-12-02 13:28:14,085 INFO  L396      AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:28:14,085 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:28:14,086 INFO  L85        PathProgramCache]: Analyzing trace with hash 1591531440, now seen corresponding path program 1 times
[2024-12-02 13:28:14,086 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:28:14,086 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087328293]
[2024-12-02 13:28:14,086 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:28:14,086 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:28:14,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:28:17,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:28:17,618 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:28:17,618 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087328293]
[2024-12-02 13:28:17,618 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087328293] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:28:17,618 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:28:17,618 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:28:17,618 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952235305]
[2024-12-02 13:28:17,618 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:28:17,619 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:28:17,619 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:28:17,621 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:28:17,621 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:28:17,621 INFO  L87              Difference]: Start difference. First operand 6572 states and 9794 transitions. Second operand  has 4 states, 4 states have (on average 786.75) internal successors, (3147), 4 states have internal predecessors, (3147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:19,858 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:28:19,859 INFO  L93              Difference]: Finished difference Result 13895 states and 20716 transitions.
[2024-12-02 13:28:19,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:28:19,860 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 786.75) internal successors, (3147), 4 states have internal predecessors, (3147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3147
[2024-12-02 13:28:19,861 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:28:19,865 INFO  L225             Difference]: With dead ends: 13895
[2024-12-02 13:28:19,865 INFO  L226             Difference]: Without dead ends: 6572
[2024-12-02 13:28:19,869 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:28:19,869 INFO  L435           NwaCegarLoop]: 8663 mSDtfsCounter, 1314 mSDsluCounter, 16360 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 25023 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:28:19,869 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 25023 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 13:28:19,876 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6572 states.
[2024-12-02 13:28:19,922 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6572.
[2024-12-02 13:28:19,928 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6572 states, 6571 states have (on average 1.4903363262821487) internal successors, (9793), 6571 states have internal predecessors, (9793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:19,935 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6572 states to 6572 states and 9793 transitions.
[2024-12-02 13:28:19,935 INFO  L78                 Accepts]: Start accepts. Automaton has 6572 states and 9793 transitions. Word has length 3147
[2024-12-02 13:28:19,936 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:28:19,936 INFO  L471      AbstractCegarLoop]: Abstraction has 6572 states and 9793 transitions.
[2024-12-02 13:28:19,936 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 786.75) internal successors, (3147), 4 states have internal predecessors, (3147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:19,936 INFO  L276                IsEmpty]: Start isEmpty. Operand 6572 states and 9793 transitions.
[2024-12-02 13:28:19,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3148
[2024-12-02 13:28:19,984 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:28:19,984 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:28:19,984 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71
[2024-12-02 13:28:19,984 INFO  L396      AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:28:19,985 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:28:19,985 INFO  L85        PathProgramCache]: Analyzing trace with hash -1375785023, now seen corresponding path program 1 times
[2024-12-02 13:28:19,985 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:28:19,985 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060720571]
[2024-12-02 13:28:19,986 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:28:19,986 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:28:21,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:28:27,334 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:28:27,334 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:28:27,334 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060720571]
[2024-12-02 13:28:27,334 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060720571] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:28:27,334 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:28:27,334 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:28:27,334 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139935229]
[2024-12-02 13:28:27,334 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:28:27,336 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:28:27,336 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:28:27,337 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:28:27,337 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:28:27,338 INFO  L87              Difference]: Start difference. First operand 6572 states and 9793 transitions. Second operand  has 5 states, 5 states have (on average 629.4) internal successors, (3147), 5 states have internal predecessors, (3147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:29,739 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:28:29,740 INFO  L93              Difference]: Finished difference Result 12410 states and 18486 transitions.
[2024-12-02 13:28:29,740 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:28:29,741 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 629.4) internal successors, (3147), 5 states have internal predecessors, (3147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3147
[2024-12-02 13:28:29,742 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:28:29,747 INFO  L225             Difference]: With dead ends: 12410
[2024-12-02 13:28:29,747 INFO  L226             Difference]: Without dead ends: 6572
[2024-12-02 13:28:29,750 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:28:29,750 INFO  L435           NwaCegarLoop]: 7704 mSDtfsCounter, 16164 mSDsluCounter, 7699 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16164 SdHoareTripleChecker+Valid, 15403 SdHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:28:29,750 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16164 Valid, 15403 Invalid, 2452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 13:28:29,755 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6572 states.
[2024-12-02 13:28:29,800 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6572.
[2024-12-02 13:28:29,805 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6572 states, 6571 states have (on average 1.4901841424440725) internal successors, (9792), 6571 states have internal predecessors, (9792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:29,813 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6572 states to 6572 states and 9792 transitions.
[2024-12-02 13:28:29,813 INFO  L78                 Accepts]: Start accepts. Automaton has 6572 states and 9792 transitions. Word has length 3147
[2024-12-02 13:28:29,814 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:28:29,814 INFO  L471      AbstractCegarLoop]: Abstraction has 6572 states and 9792 transitions.
[2024-12-02 13:28:29,815 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 629.4) internal successors, (3147), 5 states have internal predecessors, (3147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:29,815 INFO  L276                IsEmpty]: Start isEmpty. Operand 6572 states and 9792 transitions.
[2024-12-02 13:28:29,863 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3149
[2024-12-02 13:28:29,863 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:28:29,863 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:28:29,863 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72
[2024-12-02 13:28:29,863 INFO  L396      AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:28:29,864 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:28:29,864 INFO  L85        PathProgramCache]: Analyzing trace with hash -424249290, now seen corresponding path program 1 times
[2024-12-02 13:28:29,864 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:28:29,864 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938085905]
[2024-12-02 13:28:29,865 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:28:29,865 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:28:32,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:28:37,153 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:28:37,153 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:28:37,153 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938085905]
[2024-12-02 13:28:37,153 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938085905] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:28:37,153 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:28:37,154 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:28:37,154 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927752378]
[2024-12-02 13:28:37,154 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:28:37,155 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:28:37,156 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:28:37,157 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:28:37,157 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:28:37,158 INFO  L87              Difference]: Start difference. First operand 6572 states and 9792 transitions. Second operand  has 5 states, 5 states have (on average 629.6) internal successors, (3148), 5 states have internal predecessors, (3148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:37,432 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:28:37,432 INFO  L93              Difference]: Finished difference Result 12411 states and 18486 transitions.
[2024-12-02 13:28:37,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:28:37,433 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 629.6) internal successors, (3148), 5 states have internal predecessors, (3148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3148
[2024-12-02 13:28:37,434 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:28:37,438 INFO  L225             Difference]: With dead ends: 12411
[2024-12-02 13:28:37,438 INFO  L226             Difference]: Without dead ends: 6573
[2024-12-02 13:28:37,440 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:28:37,441 INFO  L435           NwaCegarLoop]: 8891 mSDtfsCounter, 7700 mSDsluCounter, 17777 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7700 SdHoareTripleChecker+Valid, 26668 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:28:37,441 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7700 Valid, 26668 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:28:37,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6573 states.
[2024-12-02 13:28:37,487 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 6573.
[2024-12-02 13:28:37,492 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6573 states, 6572 states have (on average 1.4901095556908095) internal successors, (9793), 6572 states have internal predecessors, (9793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:37,499 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6573 states to 6573 states and 9793 transitions.
[2024-12-02 13:28:37,499 INFO  L78                 Accepts]: Start accepts. Automaton has 6573 states and 9793 transitions. Word has length 3148
[2024-12-02 13:28:37,500 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:28:37,500 INFO  L471      AbstractCegarLoop]: Abstraction has 6573 states and 9793 transitions.
[2024-12-02 13:28:37,500 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 629.6) internal successors, (3148), 5 states have internal predecessors, (3148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:37,500 INFO  L276                IsEmpty]: Start isEmpty. Operand 6573 states and 9793 transitions.
[2024-12-02 13:28:37,547 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3149
[2024-12-02 13:28:37,547 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:28:37,548 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:28:37,548 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73
[2024-12-02 13:28:37,548 INFO  L396      AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:28:37,549 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:28:37,549 INFO  L85        PathProgramCache]: Analyzing trace with hash 1110703222, now seen corresponding path program 1 times
[2024-12-02 13:28:37,549 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:28:37,549 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017165679]
[2024-12-02 13:28:37,549 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:28:37,550 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:28:40,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:28:45,632 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:28:45,632 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:28:45,632 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017165679]
[2024-12-02 13:28:45,632 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017165679] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:28:45,632 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:28:45,632 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:28:45,632 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775942247]
[2024-12-02 13:28:45,632 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:28:45,634 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:28:45,634 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:28:45,635 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:28:45,635 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:28:45,635 INFO  L87              Difference]: Start difference. First operand 6573 states and 9793 transitions. Second operand  has 5 states, 5 states have (on average 629.6) internal successors, (3148), 5 states have internal predecessors, (3148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:46,893 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:28:46,893 INFO  L93              Difference]: Finished difference Result 12412 states and 18486 transitions.
[2024-12-02 13:28:46,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:28:46,895 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 629.6) internal successors, (3148), 5 states have internal predecessors, (3148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3148
[2024-12-02 13:28:46,896 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:28:46,901 INFO  L225             Difference]: With dead ends: 12412
[2024-12-02 13:28:46,901 INFO  L226             Difference]: Without dead ends: 6573
[2024-12-02 13:28:46,905 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:28:46,905 INFO  L435           NwaCegarLoop]: 8179 mSDtfsCounter, 8022 mSDsluCounter, 8177 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8022 SdHoareTripleChecker+Valid, 16356 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:28:46,905 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8022 Valid, 16356 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 13:28:46,911 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6573 states.
[2024-12-02 13:28:46,955 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 6573.
[2024-12-02 13:28:46,960 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6573 states, 6572 states have (on average 1.4899573950091296) internal successors, (9792), 6572 states have internal predecessors, (9792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:46,967 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6573 states to 6573 states and 9792 transitions.
[2024-12-02 13:28:46,967 INFO  L78                 Accepts]: Start accepts. Automaton has 6573 states and 9792 transitions. Word has length 3148
[2024-12-02 13:28:46,968 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:28:46,968 INFO  L471      AbstractCegarLoop]: Abstraction has 6573 states and 9792 transitions.
[2024-12-02 13:28:46,969 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 629.6) internal successors, (3148), 5 states have internal predecessors, (3148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:46,969 INFO  L276                IsEmpty]: Start isEmpty. Operand 6573 states and 9792 transitions.
[2024-12-02 13:28:47,017 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3150
[2024-12-02 13:28:47,017 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:28:47,017 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:28:47,017 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74
[2024-12-02 13:28:47,017 INFO  L396      AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:28:47,018 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:28:47,018 INFO  L85        PathProgramCache]: Analyzing trace with hash 29187829, now seen corresponding path program 1 times
[2024-12-02 13:28:47,018 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:28:47,018 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797219973]
[2024-12-02 13:28:47,019 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:28:47,019 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:28:47,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:28:50,580 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:28:50,580 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:28:50,580 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797219973]
[2024-12-02 13:28:50,580 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797219973] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:28:50,580 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:28:50,581 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:28:50,582 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233858085]
[2024-12-02 13:28:50,582 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:28:50,583 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:28:50,583 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:28:50,585 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:28:50,585 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:28:50,585 INFO  L87              Difference]: Start difference. First operand 6573 states and 9792 transitions. Second operand  has 4 states, 4 states have (on average 787.25) internal successors, (3149), 4 states have internal predecessors, (3149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:52,567 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:28:52,567 INFO  L93              Difference]: Finished difference Result 13756 states and 20500 transitions.
[2024-12-02 13:28:52,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:28:52,568 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 787.25) internal successors, (3149), 4 states have internal predecessors, (3149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3149
[2024-12-02 13:28:52,570 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:28:52,575 INFO  L225             Difference]: With dead ends: 13756
[2024-12-02 13:28:52,575 INFO  L226             Difference]: Without dead ends: 6573
[2024-12-02 13:28:52,579 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:28:52,579 INFO  L435           NwaCegarLoop]: 8671 mSDtfsCounter, 1180 mSDsluCounter, 16367 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 25038 SdHoareTripleChecker+Invalid, 1897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:28:52,579 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 25038 Invalid, 1897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 13:28:52,585 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6573 states.
[2024-12-02 13:28:52,628 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 6573.
[2024-12-02 13:28:52,633 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6573 states, 6572 states have (on average 1.4898052343274497) internal successors, (9791), 6572 states have internal predecessors, (9791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:52,640 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6573 states to 6573 states and 9791 transitions.
[2024-12-02 13:28:52,640 INFO  L78                 Accepts]: Start accepts. Automaton has 6573 states and 9791 transitions. Word has length 3149
[2024-12-02 13:28:52,641 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:28:52,641 INFO  L471      AbstractCegarLoop]: Abstraction has 6573 states and 9791 transitions.
[2024-12-02 13:28:52,641 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 787.25) internal successors, (3149), 4 states have internal predecessors, (3149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:28:52,642 INFO  L276                IsEmpty]: Start isEmpty. Operand 6573 states and 9791 transitions.
[2024-12-02 13:28:52,741 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3150
[2024-12-02 13:28:52,741 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:28:52,742 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:28:52,742 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75
[2024-12-02 13:28:52,742 INFO  L396      AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:28:52,743 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:28:52,744 INFO  L85        PathProgramCache]: Analyzing trace with hash -1108189242, now seen corresponding path program 1 times
[2024-12-02 13:28:52,744 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:28:52,744 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149783162]
[2024-12-02 13:28:52,744 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:28:52,744 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:28:54,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:28:59,380 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:28:59,380 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:28:59,380 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149783162]
[2024-12-02 13:28:59,380 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149783162] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:28:59,380 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:28:59,381 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:28:59,381 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281223809]
[2024-12-02 13:28:59,381 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:28:59,382 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:28:59,382 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:28:59,383 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:28:59,383 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:28:59,384 INFO  L87              Difference]: Start difference. First operand 6573 states and 9791 transitions. Second operand  has 5 states, 5 states have (on average 629.8) internal successors, (3149), 5 states have internal predecessors, (3149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:01,879 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:29:01,879 INFO  L93              Difference]: Finished difference Result 12412 states and 18482 transitions.
[2024-12-02 13:29:01,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:29:01,880 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 629.8) internal successors, (3149), 5 states have internal predecessors, (3149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3149
[2024-12-02 13:29:01,881 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:29:01,886 INFO  L225             Difference]: With dead ends: 12412
[2024-12-02 13:29:01,886 INFO  L226             Difference]: Without dead ends: 6573
[2024-12-02 13:29:01,890 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:29:01,890 INFO  L435           NwaCegarLoop]: 7703 mSDtfsCounter, 16014 mSDsluCounter, 7698 mSDsCounter, 0 mSdLazyCounter, 2443 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16014 SdHoareTripleChecker+Valid, 15401 SdHoareTripleChecker+Invalid, 2448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:29:01,890 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16014 Valid, 15401 Invalid, 2448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2443 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 13:29:01,896 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6573 states.
[2024-12-02 13:29:01,938 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 6573.
[2024-12-02 13:29:01,944 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6573 states, 6572 states have (on average 1.48965307364577) internal successors, (9790), 6572 states have internal predecessors, (9790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:01,951 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6573 states to 6573 states and 9790 transitions.
[2024-12-02 13:29:01,951 INFO  L78                 Accepts]: Start accepts. Automaton has 6573 states and 9790 transitions. Word has length 3149
[2024-12-02 13:29:01,952 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:29:01,952 INFO  L471      AbstractCegarLoop]: Abstraction has 6573 states and 9790 transitions.
[2024-12-02 13:29:01,952 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 629.8) internal successors, (3149), 5 states have internal predecessors, (3149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:01,952 INFO  L276                IsEmpty]: Start isEmpty. Operand 6573 states and 9790 transitions.
[2024-12-02 13:29:02,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3151
[2024-12-02 13:29:02,177 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:29:02,178 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:29:02,178 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76
[2024-12-02 13:29:02,178 INFO  L396      AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:29:02,178 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:29:02,179 INFO  L85        PathProgramCache]: Analyzing trace with hash -1521874722, now seen corresponding path program 1 times
[2024-12-02 13:29:02,179 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:29:02,179 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186353149]
[2024-12-02 13:29:02,179 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:29:02,179 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:29:04,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:29:10,039 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:29:10,039 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:29:10,039 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186353149]
[2024-12-02 13:29:10,039 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186353149] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:29:10,039 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:29:10,040 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:29:10,040 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378066553]
[2024-12-02 13:29:10,040 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:29:10,041 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:29:10,041 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:29:10,042 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:29:10,042 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:29:10,042 INFO  L87              Difference]: Start difference. First operand 6573 states and 9790 transitions. Second operand  has 5 states, 5 states have (on average 630.0) internal successors, (3150), 5 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:10,230 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:29:10,230 INFO  L93              Difference]: Finished difference Result 12413 states and 18482 transitions.
[2024-12-02 13:29:10,230 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:29:10,231 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 630.0) internal successors, (3150), 5 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3150
[2024-12-02 13:29:10,232 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:29:10,236 INFO  L225             Difference]: With dead ends: 12413
[2024-12-02 13:29:10,236 INFO  L226             Difference]: Without dead ends: 6574
[2024-12-02 13:29:10,239 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:29:10,240 INFO  L435           NwaCegarLoop]: 8887 mSDtfsCounter, 7625 mSDsluCounter, 17769 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7625 SdHoareTripleChecker+Valid, 26656 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:29:10,240 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7625 Valid, 26656 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:29:10,245 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6574 states.
[2024-12-02 13:29:10,284 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6574 to 6574.
[2024-12-02 13:29:10,289 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6574 states, 6573 states have (on average 1.489578579035448) internal successors, (9791), 6573 states have internal predecessors, (9791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:10,296 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6574 states to 6574 states and 9791 transitions.
[2024-12-02 13:29:10,296 INFO  L78                 Accepts]: Start accepts. Automaton has 6574 states and 9791 transitions. Word has length 3150
[2024-12-02 13:29:10,297 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:29:10,297 INFO  L471      AbstractCegarLoop]: Abstraction has 6574 states and 9791 transitions.
[2024-12-02 13:29:10,298 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 630.0) internal successors, (3150), 5 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:10,298 INFO  L276                IsEmpty]: Start isEmpty. Operand 6574 states and 9791 transitions.
[2024-12-02 13:29:10,345 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3151
[2024-12-02 13:29:10,345 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:29:10,346 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:29:10,346 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77
[2024-12-02 13:29:10,346 INFO  L396      AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:29:10,346 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:29:10,347 INFO  L85        PathProgramCache]: Analyzing trace with hash 1695661342, now seen corresponding path program 1 times
[2024-12-02 13:29:10,347 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:29:10,347 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442107034]
[2024-12-02 13:29:10,347 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:29:10,347 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:29:13,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:29:18,991 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:29:18,992 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:29:18,992 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442107034]
[2024-12-02 13:29:18,992 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442107034] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:29:18,992 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:29:18,992 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:29:18,992 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845532801]
[2024-12-02 13:29:18,992 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:29:18,993 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:29:18,994 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:29:18,995 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:29:18,995 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:29:18,995 INFO  L87              Difference]: Start difference. First operand 6574 states and 9791 transitions. Second operand  has 5 states, 5 states have (on average 630.0) internal successors, (3150), 5 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:20,278 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:29:20,278 INFO  L93              Difference]: Finished difference Result 12414 states and 18482 transitions.
[2024-12-02 13:29:20,279 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:29:20,280 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 630.0) internal successors, (3150), 5 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3150
[2024-12-02 13:29:20,281 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:29:20,286 INFO  L225             Difference]: With dead ends: 12414
[2024-12-02 13:29:20,286 INFO  L226             Difference]: Without dead ends: 6574
[2024-12-02 13:29:20,289 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:29:20,289 INFO  L435           NwaCegarLoop]: 8178 mSDtfsCounter, 15609 mSDsluCounter, 8175 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15609 SdHoareTripleChecker+Valid, 16353 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:29:20,290 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15609 Valid, 16353 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1488 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 13:29:20,295 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6574 states.
[2024-12-02 13:29:20,340 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6574 to 6574.
[2024-12-02 13:29:20,346 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6574 states, 6573 states have (on average 1.4894264415031189) internal successors, (9790), 6573 states have internal predecessors, (9790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:20,353 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6574 states to 6574 states and 9790 transitions.
[2024-12-02 13:29:20,353 INFO  L78                 Accepts]: Start accepts. Automaton has 6574 states and 9790 transitions. Word has length 3150
[2024-12-02 13:29:20,354 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:29:20,354 INFO  L471      AbstractCegarLoop]: Abstraction has 6574 states and 9790 transitions.
[2024-12-02 13:29:20,355 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 630.0) internal successors, (3150), 5 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:20,355 INFO  L276                IsEmpty]: Start isEmpty. Operand 6574 states and 9790 transitions.
[2024-12-02 13:29:20,420 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3152
[2024-12-02 13:29:20,421 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:29:20,421 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:29:20,421 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78
[2024-12-02 13:29:20,421 INFO  L396      AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:29:20,422 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:29:20,422 INFO  L85        PathProgramCache]: Analyzing trace with hash -1906903699, now seen corresponding path program 1 times
[2024-12-02 13:29:20,422 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:29:20,422 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828562228]
[2024-12-02 13:29:20,423 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:29:20,423 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:29:20,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:29:24,506 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:29:24,506 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:29:24,506 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828562228]
[2024-12-02 13:29:24,506 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828562228] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:29:24,506 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:29:24,506 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:29:24,506 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950346602]
[2024-12-02 13:29:24,506 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:29:24,507 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:29:24,507 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:29:24,509 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:29:24,509 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:29:24,509 INFO  L87              Difference]: Start difference. First operand 6574 states and 9790 transitions. Second operand  has 4 states, 4 states have (on average 787.75) internal successors, (3151), 4 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:26,562 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:29:26,562 INFO  L93              Difference]: Finished difference Result 13738 states and 20466 transitions.
[2024-12-02 13:29:26,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:29:26,563 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 787.75) internal successors, (3151), 4 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3151
[2024-12-02 13:29:26,564 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:29:26,569 INFO  L225             Difference]: With dead ends: 13738
[2024-12-02 13:29:26,569 INFO  L226             Difference]: Without dead ends: 6574
[2024-12-02 13:29:26,572 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:29:26,573 INFO  L435           NwaCegarLoop]: 8674 mSDtfsCounter, 1164 mSDsluCounter, 16369 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 25043 SdHoareTripleChecker+Invalid, 1879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:29:26,573 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 25043 Invalid, 1879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 13:29:26,578 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6574 states.
[2024-12-02 13:29:26,617 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6574 to 6574.
[2024-12-02 13:29:26,622 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6574 states, 6573 states have (on average 1.4892743039707896) internal successors, (9789), 6573 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:26,627 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6574 states to 6574 states and 9789 transitions.
[2024-12-02 13:29:26,628 INFO  L78                 Accepts]: Start accepts. Automaton has 6574 states and 9789 transitions. Word has length 3151
[2024-12-02 13:29:26,628 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:29:26,628 INFO  L471      AbstractCegarLoop]: Abstraction has 6574 states and 9789 transitions.
[2024-12-02 13:29:26,629 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 787.75) internal successors, (3151), 4 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:26,629 INFO  L276                IsEmpty]: Start isEmpty. Operand 6574 states and 9789 transitions.
[2024-12-02 13:29:26,667 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3152
[2024-12-02 13:29:26,667 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:29:26,668 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:29:26,668 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79
[2024-12-02 13:29:26,668 INFO  L396      AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:29:26,668 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:29:26,669 INFO  L85        PathProgramCache]: Analyzing trace with hash 318674814, now seen corresponding path program 1 times
[2024-12-02 13:29:26,669 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:29:26,669 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510350180]
[2024-12-02 13:29:26,669 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:29:26,669 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:29:28,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:29:33,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:29:33,176 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:29:33,176 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510350180]
[2024-12-02 13:29:33,176 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510350180] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:29:33,176 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:29:33,176 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:29:33,176 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588576638]
[2024-12-02 13:29:33,176 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:29:33,177 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:29:33,177 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:29:33,179 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:29:33,179 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:29:33,179 INFO  L87              Difference]: Start difference. First operand 6574 states and 9789 transitions. Second operand  has 5 states, 5 states have (on average 630.2) internal successors, (3151), 5 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:35,636 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:29:35,636 INFO  L93              Difference]: Finished difference Result 12414 states and 18478 transitions.
[2024-12-02 13:29:35,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:29:35,638 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 630.2) internal successors, (3151), 5 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3151
[2024-12-02 13:29:35,638 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:29:35,643 INFO  L225             Difference]: With dead ends: 12414
[2024-12-02 13:29:35,643 INFO  L226             Difference]: Without dead ends: 6574
[2024-12-02 13:29:35,646 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:29:35,646 INFO  L435           NwaCegarLoop]: 7702 mSDtfsCounter, 15990 mSDsluCounter, 7696 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15990 SdHoareTripleChecker+Valid, 15398 SdHoareTripleChecker+Invalid, 2444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:29:35,647 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15990 Valid, 15398 Invalid, 2444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 13:29:35,652 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6574 states.
[2024-12-02 13:29:35,697 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6574 to 6574.
[2024-12-02 13:29:35,703 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6574 states, 6573 states have (on average 1.4891221664384604) internal successors, (9788), 6573 states have internal predecessors, (9788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:35,710 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6574 states to 6574 states and 9788 transitions.
[2024-12-02 13:29:35,710 INFO  L78                 Accepts]: Start accepts. Automaton has 6574 states and 9788 transitions. Word has length 3151
[2024-12-02 13:29:35,711 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:29:35,711 INFO  L471      AbstractCegarLoop]: Abstraction has 6574 states and 9788 transitions.
[2024-12-02 13:29:35,712 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 630.2) internal successors, (3151), 5 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:35,712 INFO  L276                IsEmpty]: Start isEmpty. Operand 6574 states and 9788 transitions.
[2024-12-02 13:29:35,760 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3153
[2024-12-02 13:29:35,760 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:29:35,760 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:29:35,761 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80
[2024-12-02 13:29:35,761 INFO  L396      AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:29:35,761 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:29:35,762 INFO  L85        PathProgramCache]: Analyzing trace with hash 1640172934, now seen corresponding path program 1 times
[2024-12-02 13:29:35,762 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:29:35,762 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822624660]
[2024-12-02 13:29:35,762 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:29:35,762 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:29:38,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:29:43,802 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:29:43,802 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:29:43,802 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822624660]
[2024-12-02 13:29:43,802 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822624660] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:29:43,802 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:29:43,803 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:29:43,803 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913372220]
[2024-12-02 13:29:43,803 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:29:43,804 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:29:43,804 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:29:43,805 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:29:43,805 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:29:43,806 INFO  L87              Difference]: Start difference. First operand 6574 states and 9788 transitions. Second operand  has 5 states, 5 states have (on average 630.4) internal successors, (3152), 5 states have internal predecessors, (3152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:44,042 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:29:44,042 INFO  L93              Difference]: Finished difference Result 12415 states and 18478 transitions.
[2024-12-02 13:29:44,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:29:44,043 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 630.4) internal successors, (3152), 5 states have internal predecessors, (3152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3152
[2024-12-02 13:29:44,044 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:29:44,049 INFO  L225             Difference]: With dead ends: 12415
[2024-12-02 13:29:44,049 INFO  L226             Difference]: Without dead ends: 6575
[2024-12-02 13:29:44,052 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:29:44,052 INFO  L435           NwaCegarLoop]: 8885 mSDtfsCounter, 7610 mSDsluCounter, 17765 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7610 SdHoareTripleChecker+Valid, 26650 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:29:44,052 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7610 Valid, 26650 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:29:44,058 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6575 states.
[2024-12-02 13:29:44,100 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6575 to 6575.
[2024-12-02 13:29:44,105 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6575 states, 6574 states have (on average 1.4890477639184667) internal successors, (9789), 6574 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:44,112 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6575 states to 6575 states and 9789 transitions.
[2024-12-02 13:29:44,112 INFO  L78                 Accepts]: Start accepts. Automaton has 6575 states and 9789 transitions. Word has length 3152
[2024-12-02 13:29:44,113 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:29:44,113 INFO  L471      AbstractCegarLoop]: Abstraction has 6575 states and 9789 transitions.
[2024-12-02 13:29:44,113 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 630.4) internal successors, (3152), 5 states have internal predecessors, (3152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:29:44,113 INFO  L276                IsEmpty]: Start isEmpty. Operand 6575 states and 9789 transitions.
[2024-12-02 13:29:44,161 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3153
[2024-12-02 13:29:44,161 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:29:44,161 INFO  L218           NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:29:44,161 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81
[2024-12-02 13:29:44,161 INFO  L396      AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:29:44,162 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:29:44,162 INFO  L85        PathProgramCache]: Analyzing trace with hash -644673082, now seen corresponding path program 1 times
[2024-12-02 13:29:44,162 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:29:44,162 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034861561]
[2024-12-02 13:29:44,163 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:29:44,163 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:29:46,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat