./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.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_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/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_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/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_ea667508-2388-4567-b1a4-a9167682d845/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 3651a429c473793dba4c143cc688512ed11e424a805612fcfd1ccfdb45a48c54
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:10:45,969 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:10:46,039 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 08:10:46,045 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:10:46,045 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:10:46,072 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:10:46,073 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:10:46,073 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:10:46,073 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:10:46,074 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 08:10:46,074 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 08:10:46,074 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 08:10:46,074 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:10:46,074 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 08:10:46,074 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 08:10:46,075 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:10:46,075 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 08:10:46,075 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 08:10:46,075 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 08:10:46,075 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 08:10:46,075 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 08:10:46,075 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 08:10:46,075 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 08:10:46,075 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:10:46,075 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 08:10:46,076 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 08:10:46,076 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 08:10:46,076 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:10:46,076 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 08:10:46,076 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:10:46,076 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:10:46,076 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 08:10:46,076 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:10:46,076 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 08:10:46,077 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:10:46,077 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:10:46,077 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 08:10:46,077 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 08:10:46,077 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 08:10:46,077 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 08:10:46,077 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 08:10:46,077 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 08:10:46,077 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 08:10:46,077 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 08:10:46,078 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 08:10:46,078 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_ea667508-2388-4567-b1a4-a9167682d845/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 -> 3651a429c473793dba4c143cc688512ed11e424a805612fcfd1ccfdb45a48c54
[2024-12-02 08:10:46,361 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:10:46,371 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:10:46,374 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:10:46,375 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 08:10:46,376 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 08:10:46,377 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c
[2024-12-02 08:10:49,663 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/data/d71f47187/670b4201d0604b539ec28556369f96bc/FLAGcc53c4916
[2024-12-02 08:10:50,084 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 08:10:50,085 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c
[2024-12-02 08:10:50,109 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/data/d71f47187/670b4201d0604b539ec28556369f96bc/FLAGcc53c4916
[2024-12-02 08:10:50,127 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/data/d71f47187/670b4201d0604b539ec28556369f96bc
[2024-12-02 08:10:50,130 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:10:50,132 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:10:50,133 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:10:50,133 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:10:50,139 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:10:50,140 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:10:50" (1/1) ...
[2024-12-02 08:10:50,141 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bacda62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:50, skipping insertion in model container
[2024-12-02 08:10:50,141 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:10:50" (1/1) ...
[2024-12-02 08:10:50,226 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:10:50,461 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_ea667508-2388-4567-b1a4-a9167682d845/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c[1177,1190]
[2024-12-02 08:10:51,027 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:10:51,038 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 08:10:51,050 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_ea667508-2388-4567-b1a4-a9167682d845/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c[1177,1190]
[2024-12-02 08:10:51,485 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:10:51,502 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 08:10:51,502 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51 WrapperNode
[2024-12-02 08:10:51,502 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:10:51,504 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:10:51,504 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:10:51,504 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:10:51,512 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:51,626 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:52,971 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16443
[2024-12-02 08:10:52,971 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:10:52,972 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:10:52,972 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:10:52,973 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:10:52,984 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:52,984 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:53,524 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:53,735 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 08:10:53,735 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:53,735 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:54,224 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:54,265 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:54,336 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:54,432 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:54,487 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:54,718 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:10:54,719 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:10:54,719 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:10:54,719 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:10:54,720 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (1/1) ...
[2024-12-02 08:10:54,725 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:10:54,736 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:10:54,747 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 08:10:54,750 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea667508-2388-4567-b1a4-a9167682d845/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:10:54,772 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 08:10:54,773 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 08:10:54,773 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:10:54,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:10:55,634 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 08:10:55,636 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:11:30,180 INFO  L?                        ?]: Removed 9337 outVars from TransFormulas that were not future-live.
[2024-12-02 08:11:30,181 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 08:11:30,265 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:11:30,265 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 08:11:30,265 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:30 BoogieIcfgContainer
[2024-12-02 08:11:30,266 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:11:30,269 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 08:11:30,269 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 08:11:30,274 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 08:11:30,274 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:10:50" (1/3) ...
[2024-12-02 08:11:30,275 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633997bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:11:30, skipping insertion in model container
[2024-12-02 08:11:30,275 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:51" (2/3) ...
[2024-12-02 08:11:30,275 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633997bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:11:30, skipping insertion in model container
[2024-12-02 08:11:30,275 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:30" (3/3) ...
[2024-12-02 08:11:30,277 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.train-gate.7.prop1-func-interl.c
[2024-12-02 08:11:30,295 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 08:11:30,297 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.train-gate.7.prop1-func-interl.c that has 1 procedures, 5702 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 08:11:30,463 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 08:11:30,477 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;@29e7c6da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 08:11:30,477 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 08:11:30,498 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5702 states, 5700 states have (on average 1.4998245614035088) internal successors, (8549), 5701 states have internal predecessors, (8549), 0 states have call successors, (0), 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 08:11:30,518 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 304
[2024-12-02 08:11:30,519 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:11:30,519 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]
[2024-12-02 08:11:30,520 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:11:30,526 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:11:30,526 INFO  L85        PathProgramCache]: Analyzing trace with hash 1745708569, now seen corresponding path program 1 times
[2024-12-02 08:11:30,535 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:11:30,536 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110293034]
[2024-12-02 08:11:30,536 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:11:30,537 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:11:30,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:11:32,356 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 08:11:32,356 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:11:32,357 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110293034]
[2024-12-02 08:11:32,357 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110293034] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:11:32,357 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:11:32,358 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:11:32,360 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527850894]
[2024-12-02 08:11:32,360 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:11:32,365 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:11:32,365 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:11:32,389 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:11:32,390 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:11:32,406 INFO  L87              Difference]: Start difference. First operand  has 5702 states, 5700 states have (on average 1.4998245614035088) internal successors, (8549), 5701 states have internal predecessors, (8549), 0 states have call successors, (0), 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 75.75) internal successors, (303), 4 states have internal predecessors, (303), 0 states have call successors, (0), 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 08:11:32,807 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:11:32,808 INFO  L93              Difference]: Finished difference Result 11073 states and 16605 transitions.
[2024-12-02 08:11:32,809 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 08:11:32,810 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 75.75) internal successors, (303), 4 states have internal predecessors, (303), 0 states have call successors, (0), 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 303
[2024-12-02 08:11:32,812 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:11:32,846 INFO  L225             Difference]: With dead ends: 11073
[2024-12-02 08:11:32,846 INFO  L226             Difference]: Without dead ends: 5701
[2024-12-02 08:11:32,857 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 08:11:32,860 INFO  L435           NwaCegarLoop]: 8543 mSDtfsCounter, 0 mSDsluCounter, 17080 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25623 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 08:11:32,861 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25623 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 08:11:32,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5701 states.
[2024-12-02 08:11:33,012 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5701 to 5701.
[2024-12-02 08:11:33,022 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5701 states, 5700 states have (on average 1.4994736842105263) internal successors, (8547), 5700 states have internal predecessors, (8547), 0 states have call successors, (0), 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 08:11:33,043 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5701 states to 5701 states and 8547 transitions.
[2024-12-02 08:11:33,044 INFO  L78                 Accepts]: Start accepts. Automaton has 5701 states and 8547 transitions. Word has length 303
[2024-12-02 08:11:33,046 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:11:33,046 INFO  L471      AbstractCegarLoop]: Abstraction has 5701 states and 8547 transitions.
[2024-12-02 08:11:33,046 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 75.75) internal successors, (303), 4 states have internal predecessors, (303), 0 states have call successors, (0), 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 08:11:33,046 INFO  L276                IsEmpty]: Start isEmpty. Operand 5701 states and 8547 transitions.
[2024-12-02 08:11:33,052 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 305
[2024-12-02 08:11:33,052 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:11:33,053 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]
[2024-12-02 08:11:33,053 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 08:11:33,054 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:11:33,054 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:11:33,054 INFO  L85        PathProgramCache]: Analyzing trace with hash -1715912119, now seen corresponding path program 1 times
[2024-12-02 08:11:33,055 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:11:33,055 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506111219]
[2024-12-02 08:11:33,055 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:11:33,055 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:11:33,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:11:33,588 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 08:11:33,589 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:11:33,589 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506111219]
[2024-12-02 08:11:33,589 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506111219] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:11:33,589 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:11:33,589 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:11:33,590 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650717839]
[2024-12-02 08:11:33,590 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:11:33,591 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:11:33,592 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:11:33,592 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:11:33,593 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:11:33,593 INFO  L87              Difference]: Start difference. First operand 5701 states and 8547 transitions. Second operand  has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 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 08:11:33,775 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:11:33,775 INFO  L93              Difference]: Finished difference Result 11074 states and 16603 transitions.
[2024-12-02 08:11:33,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 08:11:33,776 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 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 304
[2024-12-02 08:11:33,776 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:11:33,791 INFO  L225             Difference]: With dead ends: 11074
[2024-12-02 08:11:33,791 INFO  L226             Difference]: Without dead ends: 5703
[2024-12-02 08:11:33,795 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 08:11:33,796 INFO  L435           NwaCegarLoop]: 8543 mSDtfsCounter, 0 mSDsluCounter, 17076 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25619 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 08:11:33,796 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25619 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 08:11:33,805 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5703 states.
[2024-12-02 08:11:33,871 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5703 to 5703.
[2024-12-02 08:11:33,879 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5703 states, 5702 states have (on average 1.4992984917572783) internal successors, (8549), 5702 states have internal predecessors, (8549), 0 states have call successors, (0), 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 08:11:33,896 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 8549 transitions.
[2024-12-02 08:11:33,896 INFO  L78                 Accepts]: Start accepts. Automaton has 5703 states and 8549 transitions. Word has length 304
[2024-12-02 08:11:33,897 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:11:33,897 INFO  L471      AbstractCegarLoop]: Abstraction has 5703 states and 8549 transitions.
[2024-12-02 08:11:33,898 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 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 08:11:33,898 INFO  L276                IsEmpty]: Start isEmpty. Operand 5703 states and 8549 transitions.
[2024-12-02 08:11:33,901 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 306
[2024-12-02 08:11:33,902 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:11:33,902 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]
[2024-12-02 08:11:33,902 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 08:11:33,902 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:11:33,903 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:11:33,903 INFO  L85        PathProgramCache]: Analyzing trace with hash 1543335154, now seen corresponding path program 1 times
[2024-12-02 08:11:33,903 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:11:33,903 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441739424]
[2024-12-02 08:11:33,903 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:11:33,903 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:11:34,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:11:34,589 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 08:11:34,589 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:11:34,589 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441739424]
[2024-12-02 08:11:34,589 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441739424] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:11:34,590 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:11:34,590 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 08:11:34,590 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077448157]
[2024-12-02 08:11:34,590 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:11:34,591 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:11:34,591 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:11:34,592 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:11:34,592 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:11:34,592 INFO  L87              Difference]: Start difference. First operand 5703 states and 8549 transitions. Second operand  has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 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 08:11:34,841 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:11:34,841 INFO  L93              Difference]: Finished difference Result 11082 states and 16613 transitions.
[2024-12-02 08:11:34,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 08:11:34,842 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 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 305
[2024-12-02 08:11:34,842 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:11:34,857 INFO  L225             Difference]: With dead ends: 11082
[2024-12-02 08:11:34,857 INFO  L226             Difference]: Without dead ends: 5709
[2024-12-02 08:11:34,864 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:11:34,865 INFO  L435           NwaCegarLoop]: 8542 mSDtfsCounter, 4 mSDsluCounter, 25614 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 34156 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 08:11:34,865 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 34156 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 08:11:34,874 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5709 states.
[2024-12-02 08:11:34,965 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5709 to 5709.
[2024-12-02 08:11:34,976 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5709 states, 5708 states have (on average 1.4991240364400842) internal successors, (8557), 5708 states have internal predecessors, (8557), 0 states have call successors, (0), 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 08:11:34,999 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5709 states to 5709 states and 8557 transitions.
[2024-12-02 08:11:35,000 INFO  L78                 Accepts]: Start accepts. Automaton has 5709 states and 8557 transitions. Word has length 305
[2024-12-02 08:11:35,000 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:11:35,001 INFO  L471      AbstractCegarLoop]: Abstraction has 5709 states and 8557 transitions.
[2024-12-02 08:11:35,001 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 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 08:11:35,001 INFO  L276                IsEmpty]: Start isEmpty. Operand 5709 states and 8557 transitions.
[2024-12-02 08:11:35,006 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 307
[2024-12-02 08:11:35,007 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:11:35,007 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]
[2024-12-02 08:11:35,007 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 08:11:35,007 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:11:35,008 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:11:35,008 INFO  L85        PathProgramCache]: Analyzing trace with hash 1652808375, now seen corresponding path program 1 times
[2024-12-02 08:11:35,008 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:11:35,008 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617383841]
[2024-12-02 08:11:35,008 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:11:35,009 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:11:35,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:11:35,767 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 08:11:35,767 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:11:35,768 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617383841]
[2024-12-02 08:11:35,768 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617383841] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:11:35,768 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:11:35,768 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 08:11:35,768 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765984819]
[2024-12-02 08:11:35,768 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:11:35,769 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:11:35,769 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:11:35,770 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:11:35,770 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:11:35,771 INFO  L87              Difference]: Start difference. First operand 5709 states and 8557 transitions. Second operand  has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 0 states have call successors, (0), 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 08:11:36,124 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:11:36,124 INFO  L93              Difference]: Finished difference Result 15429 states and 23128 transitions.
[2024-12-02 08:11:36,124 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 08:11:36,125 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 0 states have call successors, (0), 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 306
[2024-12-02 08:11:36,126 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:11:36,155 INFO  L225             Difference]: With dead ends: 15429
[2024-12-02 08:11:36,155 INFO  L226             Difference]: Without dead ends: 10050
[2024-12-02 08:11:36,162 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 08:11:36,163 INFO  L435           NwaCegarLoop]: 8538 mSDtfsCounter, 6708 mSDsluCounter, 25115 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6708 SdHoareTripleChecker+Valid, 33653 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 08:11:36,164 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6708 Valid, 33653 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 08:11:36,179 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10050 states.
[2024-12-02 08:11:36,297 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10050 to 5963.
[2024-12-02 08:11:36,305 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5963 states, 5962 states have (on average 1.4989936262998993) internal successors, (8937), 5962 states have internal predecessors, (8937), 0 states have call successors, (0), 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 08:11:36,326 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5963 states to 5963 states and 8937 transitions.
[2024-12-02 08:11:36,326 INFO  L78                 Accepts]: Start accepts. Automaton has 5963 states and 8937 transitions. Word has length 306
[2024-12-02 08:11:36,327 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:11:36,327 INFO  L471      AbstractCegarLoop]: Abstraction has 5963 states and 8937 transitions.
[2024-12-02 08:11:36,327 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 0 states have call successors, (0), 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 08:11:36,327 INFO  L276                IsEmpty]: Start isEmpty. Operand 5963 states and 8937 transitions.
[2024-12-02 08:11:36,568 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2992
[2024-12-02 08:11:36,568 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:11:36,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 08:11:36,570 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 08:11:36,570 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:11:36,572 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:11:36,573 INFO  L85        PathProgramCache]: Analyzing trace with hash -639490179, now seen corresponding path program 1 times
[2024-12-02 08:11:36,573 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:11:36,573 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36717000]
[2024-12-02 08:11:36,574 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:11:36,574 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:11:41,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:11:49,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:11:49,880 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:11:49,880 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36717000]
[2024-12-02 08:11:49,880 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36717000] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:11:49,880 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:11:49,881 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:11:49,881 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417039809]
[2024-12-02 08:11:49,881 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:11:49,884 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:11:49,884 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:11:49,886 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:11:49,886 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:11:49,887 INFO  L87              Difference]: Start difference. First operand 5963 states and 8937 transitions. Second operand  has 6 states, 6 states have (on average 498.5) internal successors, (2991), 6 states have internal predecessors, (2991), 0 states have call successors, (0), 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 08:11:50,541 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:11:50,541 INFO  L93              Difference]: Finished difference Result 22649 states and 33956 transitions.
[2024-12-02 08:11:50,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 08:11:50,543 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 498.5) internal successors, (2991), 6 states have internal predecessors, (2991), 0 states have call successors, (0), 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 2991
[2024-12-02 08:11:50,617 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:11:50,674 INFO  L225             Difference]: With dead ends: 22649
[2024-12-02 08:11:50,674 INFO  L226             Difference]: Without dead ends: 17270
[2024-12-02 08:11:50,684 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-12-02 08:11:50,685 INFO  L435           NwaCegarLoop]: 15043 mSDtfsCounter, 14830 mSDsluCounter, 53650 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14830 SdHoareTripleChecker+Valid, 68693 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 08:11:50,685 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14830 Valid, 68693 Invalid, 58 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 08:11:50,710 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17270 states.
[2024-12-02 08:11:51,091 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17270 to 9956.
[2024-12-02 08:11:51,107 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9956 states, 9955 states have (on average 1.499347061778001) internal successors, (14926), 9955 states have internal predecessors, (14926), 0 states have call successors, (0), 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 08:11:51,143 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 9956 states and 14926 transitions.
[2024-12-02 08:11:51,143 INFO  L78                 Accepts]: Start accepts. Automaton has 9956 states and 14926 transitions. Word has length 2991
[2024-12-02 08:11:51,151 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:11:51,152 INFO  L471      AbstractCegarLoop]: Abstraction has 9956 states and 14926 transitions.
[2024-12-02 08:11:51,153 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 498.5) internal successors, (2991), 6 states have internal predecessors, (2991), 0 states have call successors, (0), 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 08:11:51,153 INFO  L276                IsEmpty]: Start isEmpty. Operand 9956 states and 14926 transitions.
[2024-12-02 08:11:51,687 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2993
[2024-12-02 08:11:51,688 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:11:51,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 08:11:51,690 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 08:11:51,691 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:11:51,692 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:11:51,694 INFO  L85        PathProgramCache]: Analyzing trace with hash -1753043545, now seen corresponding path program 1 times
[2024-12-02 08:11:51,694 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:11:51,694 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61155944]
[2024-12-02 08:11:51,695 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:11:51,696 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:11:55,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:12:01,420 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:12:01,421 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:12:01,421 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61155944]
[2024-12-02 08:12:01,421 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61155944] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:12:01,421 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:12:01,422 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 08:12:01,422 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823373694]
[2024-12-02 08:12:01,422 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:12:01,425 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:12:01,425 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:12:01,428 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:12:01,428 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:12:01,429 INFO  L87              Difference]: Start difference. First operand 9956 states and 14926 transitions. Second operand  has 5 states, 5 states have (on average 598.4) internal successors, (2992), 5 states have internal predecessors, (2992), 0 states have call successors, (0), 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 08:12:01,602 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:12:01,603 INFO  L93              Difference]: Finished difference Result 19584 states and 29361 transitions.
[2024-12-02 08:12:01,603 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 08:12:01,604 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 598.4) internal successors, (2992), 5 states have internal predecessors, (2992), 0 states have call successors, (0), 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 2992
[2024-12-02 08:12:01,606 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:12:01,623 INFO  L225             Difference]: With dead ends: 19584
[2024-12-02 08:12:01,623 INFO  L226             Difference]: Without dead ends: 9958
[2024-12-02 08:12:01,632 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:12:01,632 INFO  L435           NwaCegarLoop]: 8543 mSDtfsCounter, 0 mSDsluCounter, 17070 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25613 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 08:12:01,633 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25613 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 08:12:01,643 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9958 states.
[2024-12-02 08:12:01,755 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9958 to 9958.
[2024-12-02 08:12:01,767 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9958 states, 9957 states have (on average 1.4992467610726121) internal successors, (14928), 9957 states have internal predecessors, (14928), 0 states have call successors, (0), 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 08:12:01,785 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 14928 transitions.
[2024-12-02 08:12:01,786 INFO  L78                 Accepts]: Start accepts. Automaton has 9958 states and 14928 transitions. Word has length 2992
[2024-12-02 08:12:01,787 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:12:01,787 INFO  L471      AbstractCegarLoop]: Abstraction has 9958 states and 14928 transitions.
[2024-12-02 08:12:01,788 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 598.4) internal successors, (2992), 5 states have internal predecessors, (2992), 0 states have call successors, (0), 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 08:12:01,788 INFO  L276                IsEmpty]: Start isEmpty. Operand 9958 states and 14928 transitions.
[2024-12-02 08:12:01,859 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2994
[2024-12-02 08:12:01,859 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:12:01,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 08:12:01,861 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 08:12:01,861 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:12:01,862 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:12:01,863 INFO  L85        PathProgramCache]: Analyzing trace with hash 1222380758, now seen corresponding path program 1 times
[2024-12-02 08:12:01,863 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:12:01,864 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65483230]
[2024-12-02 08:12:01,864 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:12:01,864 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:12:04,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:12:11,258 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:12:11,258 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:12:11,258 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65483230]
[2024-12-02 08:12:11,258 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65483230] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:12:11,258 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:12:11,258 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:12:11,258 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502743415]
[2024-12-02 08:12:11,258 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:12:11,261 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:12:11,261 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:12:11,262 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:12:11,263 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:12:11,263 INFO  L87              Difference]: Start difference. First operand 9958 states and 14928 transitions. Second operand  has 6 states, 6 states have (on average 498.8333333333333) internal successors, (2993), 6 states have internal predecessors, (2993), 0 states have call successors, (0), 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 08:12:11,673 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:12:11,674 INFO  L93              Difference]: Finished difference Result 41020 states and 61503 transitions.
[2024-12-02 08:12:11,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 08:12:11,674 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 498.8333333333333) internal successors, (2993), 6 states have internal predecessors, (2993), 0 states have call successors, (0), 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 2993
[2024-12-02 08:12:11,678 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:12:11,733 INFO  L225             Difference]: With dead ends: 41020
[2024-12-02 08:12:11,734 INFO  L226             Difference]: Without dead ends: 31392
[2024-12-02 08:12:11,749 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-12-02 08:12:11,750 INFO  L435           NwaCegarLoop]: 14947 mSDtfsCounter, 14866 mSDsluCounter, 53362 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14866 SdHoareTripleChecker+Valid, 68309 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 08:12:11,750 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14866 Valid, 68309 Invalid, 58 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 08:12:11,777 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31392 states.
[2024-12-02 08:12:12,008 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31392 to 10050.
[2024-12-02 08:12:12,021 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10050 states, 10049 states have (on average 1.4992536570803066) internal successors, (15066), 10049 states have internal predecessors, (15066), 0 states have call successors, (0), 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 08:12:12,041 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10050 states to 10050 states and 15066 transitions.
[2024-12-02 08:12:12,041 INFO  L78                 Accepts]: Start accepts. Automaton has 10050 states and 15066 transitions. Word has length 2993
[2024-12-02 08:12:12,045 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:12:12,045 INFO  L471      AbstractCegarLoop]: Abstraction has 10050 states and 15066 transitions.
[2024-12-02 08:12:12,046 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 498.8333333333333) internal successors, (2993), 6 states have internal predecessors, (2993), 0 states have call successors, (0), 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 08:12:12,046 INFO  L276                IsEmpty]: Start isEmpty. Operand 10050 states and 15066 transitions.
[2024-12-02 08:12:12,221 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2995
[2024-12-02 08:12:12,221 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:12:12,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 08:12:12,223 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 08:12:12,223 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:12:12,224 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:12:12,225 INFO  L85        PathProgramCache]: Analyzing trace with hash 887560033, now seen corresponding path program 1 times
[2024-12-02 08:12:12,225 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:12:12,225 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179128435]
[2024-12-02 08:12:12,226 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:12:12,226 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:12:15,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:12:20,275 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:12:20,275 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:12:20,275 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179128435]
[2024-12-02 08:12:20,275 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179128435] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:12:20,275 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:12:20,276 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:12:20,276 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314858551]
[2024-12-02 08:12:20,276 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:12:20,278 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:12:20,278 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:12:20,279 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:12:20,279 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:12:20,280 INFO  L87              Difference]: Start difference. First operand 10050 states and 15066 transitions. Second operand  has 4 states, 4 states have (on average 748.5) internal successors, (2994), 4 states have internal predecessors, (2994), 0 states have call successors, (0), 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 08:12:20,374 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:12:20,375 INFO  L93              Difference]: Finished difference Result 19772 states and 29641 transitions.
[2024-12-02 08:12:20,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 08:12:20,375 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 748.5) internal successors, (2994), 4 states have internal predecessors, (2994), 0 states have call successors, (0), 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 2994
[2024-12-02 08:12:20,376 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:12:20,385 INFO  L225             Difference]: With dead ends: 19772
[2024-12-02 08:12:20,385 INFO  L226             Difference]: Without dead ends: 10052
[2024-12-02 08:12:20,393 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 08:12:20,393 INFO  L435           NwaCegarLoop]: 8543 mSDtfsCounter, 0 mSDsluCounter, 17070 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25613 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 08:12:20,393 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25613 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 08:12:20,403 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10052 states.
[2024-12-02 08:12:20,515 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10052 to 10052.
[2024-12-02 08:12:20,524 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10052 states, 10051 states have (on average 1.4991543130036813) internal successors, (15068), 10051 states have internal predecessors, (15068), 0 states have call successors, (0), 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 08:12:20,537 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10052 states to 10052 states and 15068 transitions.
[2024-12-02 08:12:20,537 INFO  L78                 Accepts]: Start accepts. Automaton has 10052 states and 15068 transitions. Word has length 2994
[2024-12-02 08:12:20,538 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:12:20,538 INFO  L471      AbstractCegarLoop]: Abstraction has 10052 states and 15068 transitions.
[2024-12-02 08:12:20,539 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 748.5) internal successors, (2994), 4 states have internal predecessors, (2994), 0 states have call successors, (0), 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 08:12:20,539 INFO  L276                IsEmpty]: Start isEmpty. Operand 10052 states and 15068 transitions.
[2024-12-02 08:12:20,603 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2996
[2024-12-02 08:12:20,603 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:12:20,605 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 08:12:20,605 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 08:12:20,605 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:12:20,606 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:12:20,607 INFO  L85        PathProgramCache]: Analyzing trace with hash -690583473, now seen corresponding path program 1 times
[2024-12-02 08:12:20,608 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:12:20,608 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548441984]
[2024-12-02 08:12:20,608 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:12:20,608 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:12:23,806 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:12:29,288 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked.
[2024-12-02 08:12:29,289 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:12:29,289 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548441984]
[2024-12-02 08:12:29,289 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548441984] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:12:29,289 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:12:29,289 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:12:29,289 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528890627]
[2024-12-02 08:12:29,289 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:12:29,292 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:12:29,292 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:12:29,294 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:12:29,294 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:12:29,295 INFO  L87              Difference]: Start difference. First operand 10052 states and 15068 transitions. Second operand  has 4 states, 4 states have (on average 716.75) internal successors, (2867), 4 states have internal predecessors, (2867), 0 states have call successors, (0), 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 08:12:29,433 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:12:29,433 INFO  L93              Difference]: Finished difference Result 19778 states and 29647 transitions.
[2024-12-02 08:12:29,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 08:12:29,434 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 716.75) internal successors, (2867), 4 states have internal predecessors, (2867), 0 states have call successors, (0), 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 2995
[2024-12-02 08:12:29,436 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:12:29,445 INFO  L225             Difference]: With dead ends: 19778
[2024-12-02 08:12:29,445 INFO  L226             Difference]: Without dead ends: 10056
[2024-12-02 08:12:29,451 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 08:12:29,452 INFO  L435           NwaCegarLoop]: 8543 mSDtfsCounter, 0 mSDsluCounter, 17070 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25613 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 08:12:29,452 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25613 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 08:12:29,458 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10056 states.
[2024-12-02 08:12:29,539 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10056 to 10052.
[2024-12-02 08:12:29,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10052 states, 10051 states have (on average 1.4991543130036813) internal successors, (15068), 10051 states have internal predecessors, (15068), 0 states have call successors, (0), 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 08:12:29,555 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10052 states to 10052 states and 15068 transitions.
[2024-12-02 08:12:29,555 INFO  L78                 Accepts]: Start accepts. Automaton has 10052 states and 15068 transitions. Word has length 2995
[2024-12-02 08:12:29,557 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:12:29,557 INFO  L471      AbstractCegarLoop]: Abstraction has 10052 states and 15068 transitions.
[2024-12-02 08:12:29,557 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 716.75) internal successors, (2867), 4 states have internal predecessors, (2867), 0 states have call successors, (0), 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 08:12:29,557 INFO  L276                IsEmpty]: Start isEmpty. Operand 10052 states and 15068 transitions.
[2024-12-02 08:12:29,596 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2997
[2024-12-02 08:12:29,597 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:12:29,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 08:12:29,598 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 08:12:29,598 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:12:29,599 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:12:29,600 INFO  L85        PathProgramCache]: Analyzing trace with hash 975637555, now seen corresponding path program 1 times
[2024-12-02 08:12:29,600 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:12:29,600 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007310188]
[2024-12-02 08:12:29,600 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:12:29,601 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:12:34,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:12:42,421 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:12:42,422 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:12:42,422 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007310188]
[2024-12-02 08:12:42,422 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007310188] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:12:42,422 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:12:42,422 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 08:12:42,422 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638316472]
[2024-12-02 08:12:42,422 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:12:42,425 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:12:42,425 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:12:42,428 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:12:42,428 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:12:42,429 INFO  L87              Difference]: Start difference. First operand 10052 states and 15068 transitions. Second operand  has 5 states, 5 states have (on average 599.2) internal successors, (2996), 5 states have internal predecessors, (2996), 0 states have call successors, (0), 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 08:12:42,852 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:12:42,852 INFO  L93              Difference]: Finished difference Result 19778 states and 29648 transitions.
[2024-12-02 08:12:42,852 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 08:12:42,853 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 599.2) internal successors, (2996), 5 states have internal predecessors, (2996), 0 states have call successors, (0), 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 2996
[2024-12-02 08:12:42,853 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:12:42,864 INFO  L225             Difference]: With dead ends: 19778
[2024-12-02 08:12:42,864 INFO  L226             Difference]: Without dead ends: 10056
[2024-12-02 08:12:42,871 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:12:42,872 INFO  L435           NwaCegarLoop]: 8480 mSDtfsCounter, 8206 mSDsluCounter, 16956 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8206 SdHoareTripleChecker+Valid, 25436 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 08:12:42,872 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8206 Valid, 25436 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 08:12:42,880 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10056 states.
[2024-12-02 08:12:43,003 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10056 to 10054.
[2024-12-02 08:12:43,012 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10054 states, 10053 states have (on average 1.4990550084551875) internal successors, (15070), 10053 states have internal predecessors, (15070), 0 states have call successors, (0), 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 08:12:43,026 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10054 states to 10054 states and 15070 transitions.
[2024-12-02 08:12:43,026 INFO  L78                 Accepts]: Start accepts. Automaton has 10054 states and 15070 transitions. Word has length 2996
[2024-12-02 08:12:43,027 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:12:43,027 INFO  L471      AbstractCegarLoop]: Abstraction has 10054 states and 15070 transitions.
[2024-12-02 08:12:43,027 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 599.2) internal successors, (2996), 5 states have internal predecessors, (2996), 0 states have call successors, (0), 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 08:12:43,027 INFO  L276                IsEmpty]: Start isEmpty. Operand 10054 states and 15070 transitions.
[2024-12-02 08:12:43,097 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2998
[2024-12-02 08:12:43,097 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:12:43,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:12:43,099 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 08:12:43,099 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:12:43,100 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:12:43,101 INFO  L85        PathProgramCache]: Analyzing trace with hash 1574066430, now seen corresponding path program 1 times
[2024-12-02 08:12:43,101 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:12:43,101 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81576801]
[2024-12-02 08:12:43,102 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:12:43,102 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:12:57,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:13:04,336 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:13:04,337 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:13:04,337 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81576801]
[2024-12-02 08:13:04,337 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81576801] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:13:04,337 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:13:04,337 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 08:13:04,337 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321301018]
[2024-12-02 08:13:04,337 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:13:04,339 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:13:04,339 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:13:04,341 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:13:04,341 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:13:04,342 INFO  L87              Difference]: Start difference. First operand 10054 states and 15070 transitions. Second operand  has 5 states, 5 states have (on average 599.4) internal successors, (2997), 5 states have internal predecessors, (2997), 0 states have call successors, (0), 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 08:13:04,650 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:13:04,650 INFO  L93              Difference]: Finished difference Result 19780 states and 29649 transitions.
[2024-12-02 08:13:04,650 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 08:13:04,651 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 599.4) internal successors, (2997), 5 states have internal predecessors, (2997), 0 states have call successors, (0), 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 2997
[2024-12-02 08:13:04,651 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:13:04,657 INFO  L225             Difference]: With dead ends: 19780
[2024-12-02 08:13:04,657 INFO  L226             Difference]: Without dead ends: 10056
[2024-12-02 08:13:04,661 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:13:04,662 INFO  L435           NwaCegarLoop]: 8480 mSDtfsCounter, 8204 mSDsluCounter, 16956 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8204 SdHoareTripleChecker+Valid, 25436 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 08:13:04,662 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8204 Valid, 25436 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 08:13:04,668 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10056 states.
[2024-12-02 08:13:04,882 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10056 to 10055.
[2024-12-02 08:13:04,890 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10055 states, 10054 states have (on average 1.4990053709966182) internal successors, (15071), 10054 states have internal predecessors, (15071), 0 states have call successors, (0), 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 08:13:04,906 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10055 states to 10055 states and 15071 transitions.
[2024-12-02 08:13:04,906 INFO  L78                 Accepts]: Start accepts. Automaton has 10055 states and 15071 transitions. Word has length 2997
[2024-12-02 08:13:04,907 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:13:04,907 INFO  L471      AbstractCegarLoop]: Abstraction has 10055 states and 15071 transitions.
[2024-12-02 08:13:04,908 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 599.4) internal successors, (2997), 5 states have internal predecessors, (2997), 0 states have call successors, (0), 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 08:13:04,908 INFO  L276                IsEmpty]: Start isEmpty. Operand 10055 states and 15071 transitions.
[2024-12-02 08:13:04,977 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2998
[2024-12-02 08:13:04,978 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:13:04,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:04,979 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 08:13:04,980 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:13:04,981 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:04,981 INFO  L85        PathProgramCache]: Analyzing trace with hash 596405079, now seen corresponding path program 1 times
[2024-12-02 08:13:04,982 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:13:04,982 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032995424]
[2024-12-02 08:13:04,982 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:04,982 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:07,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:13:14,944 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:13:14,944 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:13:14,944 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032995424]
[2024-12-02 08:13:14,944 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032995424] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:13:14,944 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:13:14,945 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-02 08:13:14,945 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280764225]
[2024-12-02 08:13:14,945 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:13:14,947 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 08:13:14,948 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:13:14,949 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 08:13:14,949 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-12-02 08:13:14,950 INFO  L87              Difference]: Start difference. First operand 10055 states and 15071 transitions. Second operand  has 8 states, 8 states have (on average 374.625) internal successors, (2997), 8 states have internal predecessors, (2997), 0 states have call successors, (0), 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 08:13:15,455 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:13:15,455 INFO  L93              Difference]: Finished difference Result 22290 states and 33410 transitions.
[2024-12-02 08:13:15,455 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 08:13:15,456 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 374.625) internal successors, (2997), 8 states have internal predecessors, (2997), 0 states have call successors, (0), 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 2997
[2024-12-02 08:13:15,456 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:13:15,463 INFO  L225             Difference]: With dead ends: 22290
[2024-12-02 08:13:15,463 INFO  L226             Difference]: Without dead ends: 12565
[2024-12-02 08:13:15,468 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-12-02 08:13:15,469 INFO  L435           NwaCegarLoop]: 11048 mSDtfsCounter, 13341 mSDsluCounter, 41556 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13341 SdHoareTripleChecker+Valid, 52604 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 08:13:15,469 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13341 Valid, 52604 Invalid, 387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 08:13:15,478 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12565 states.
[2024-12-02 08:13:15,550 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12565 to 10060.
[2024-12-02 08:13:15,559 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10060 states, 10059 states have (on average 1.498956158663883) internal successors, (15078), 10059 states have internal predecessors, (15078), 0 states have call successors, (0), 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 08:13:15,572 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10060 states to 10060 states and 15078 transitions.
[2024-12-02 08:13:15,573 INFO  L78                 Accepts]: Start accepts. Automaton has 10060 states and 15078 transitions. Word has length 2997
[2024-12-02 08:13:15,573 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:13:15,573 INFO  L471      AbstractCegarLoop]: Abstraction has 10060 states and 15078 transitions.
[2024-12-02 08:13:15,574 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 374.625) internal successors, (2997), 8 states have internal predecessors, (2997), 0 states have call successors, (0), 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 08:13:15,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 10060 states and 15078 transitions.
[2024-12-02 08:13:15,709 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2999
[2024-12-02 08:13:15,709 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:13:15,711 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:15,711 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 08:13:15,712 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:13:15,713 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:15,714 INFO  L85        PathProgramCache]: Analyzing trace with hash -156748650, now seen corresponding path program 1 times
[2024-12-02 08:13:15,714 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:13:15,714 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438819433]
[2024-12-02 08:13:15,714 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:15,714 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:44,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:13:50,320 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:13:50,320 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:13:50,320 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438819433]
[2024-12-02 08:13:50,320 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438819433] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:13:50,320 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:13:50,321 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:13:50,321 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177975615]
[2024-12-02 08:13:50,321 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:13:50,323 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:13:50,323 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:13:50,325 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:13:50,325 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:13:50,326 INFO  L87              Difference]: Start difference. First operand 10060 states and 15078 transitions. Second operand  has 4 states, 4 states have (on average 749.5) internal successors, (2998), 4 states have internal predecessors, (2998), 0 states have call successors, (0), 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 08:13:53,325 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:13:53,325 INFO  L93              Difference]: Finished difference Result 19790 states and 29662 transitions.
[2024-12-02 08:13:53,326 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 08:13:53,326 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 749.5) internal successors, (2998), 4 states have internal predecessors, (2998), 0 states have call successors, (0), 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 2998
[2024-12-02 08:13:53,327 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:13:53,334 INFO  L225             Difference]: With dead ends: 19790
[2024-12-02 08:13:53,334 INFO  L226             Difference]: Without dead ends: 10060
[2024-12-02 08:13:53,338 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:13:53,339 INFO  L435           NwaCegarLoop]: 6470 mSDtfsCounter, 8140 mSDsluCounter, 6462 mSDsCounter, 0 mSdLazyCounter, 4154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8140 SdHoareTripleChecker+Valid, 12932 SdHoareTripleChecker+Invalid, 4155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time
[2024-12-02 08:13:53,339 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8140 Valid, 12932 Invalid, 4155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4154 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time]
[2024-12-02 08:13:53,345 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10060 states.
[2024-12-02 08:13:53,405 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10060 to 10060.
[2024-12-02 08:13:53,412 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10060 states, 10059 states have (on average 1.4987573317427179) internal successors, (15076), 10059 states have internal predecessors, (15076), 0 states have call successors, (0), 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 08:13:53,489 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10060 states to 10060 states and 15076 transitions.
[2024-12-02 08:13:53,489 INFO  L78                 Accepts]: Start accepts. Automaton has 10060 states and 15076 transitions. Word has length 2998
[2024-12-02 08:13:53,490 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:13:53,490 INFO  L471      AbstractCegarLoop]: Abstraction has 10060 states and 15076 transitions.
[2024-12-02 08:13:53,490 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 749.5) internal successors, (2998), 4 states have internal predecessors, (2998), 0 states have call successors, (0), 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 08:13:53,490 INFO  L276                IsEmpty]: Start isEmpty. Operand 10060 states and 15076 transitions.
[2024-12-02 08:13:53,526 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3000
[2024-12-02 08:13:53,526 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:13:53,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:53,528 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 08:13:53,528 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:13:53,529 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:53,529 INFO  L85        PathProgramCache]: Analyzing trace with hash -624550125, now seen corresponding path program 1 times
[2024-12-02 08:13:53,529 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:13:53,530 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344595062]
[2024-12-02 08:13:53,530 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:53,530 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:14:19,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:14:25,776 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:14:25,776 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:14:25,776 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344595062]
[2024-12-02 08:14:25,777 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344595062] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:14:25,777 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:14:25,777 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:14:25,777 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501616955]
[2024-12-02 08:14:25,777 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:14:25,779 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:14:25,779 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:14:25,781 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:14:25,781 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:14:25,781 INFO  L87              Difference]: Start difference. First operand 10060 states and 15076 transitions. Second operand  has 6 states, 6 states have (on average 499.8333333333333) internal successors, (2999), 6 states have internal predecessors, (2999), 0 states have call successors, (0), 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 08:14:28,343 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:14:28,344 INFO  L93              Difference]: Finished difference Result 30712 states and 46022 transitions.
[2024-12-02 08:14:28,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:14:28,344 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 499.8333333333333) internal successors, (2999), 6 states have internal predecessors, (2999), 0 states have call successors, (0), 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 2999
[2024-12-02 08:14:28,345 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:14:28,354 INFO  L225             Difference]: With dead ends: 30712
[2024-12-02 08:14:28,354 INFO  L226             Difference]: Without dead ends: 19494
[2024-12-02 08:14:28,359 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 08:14:28,359 INFO  L435           NwaCegarLoop]: 8373 mSDtfsCounter, 11295 mSDsluCounter, 31006 mSDsCounter, 0 mSdLazyCounter, 2321 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11295 SdHoareTripleChecker+Valid, 39379 SdHoareTripleChecker+Invalid, 2483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 08:14:28,360 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11295 Valid, 39379 Invalid, 2483 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [162 Valid, 2321 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 08:14:28,369 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19494 states.
[2024-12-02 08:14:28,452 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19494 to 10316.
[2024-12-02 08:14:28,459 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10316 states, 10315 states have (on average 1.4985942801745031) internal successors, (15458), 10315 states have internal predecessors, (15458), 0 states have call successors, (0), 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 08:14:28,468 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10316 states to 10316 states and 15458 transitions.
[2024-12-02 08:14:28,469 INFO  L78                 Accepts]: Start accepts. Automaton has 10316 states and 15458 transitions. Word has length 2999
[2024-12-02 08:14:28,469 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:14:28,469 INFO  L471      AbstractCegarLoop]: Abstraction has 10316 states and 15458 transitions.
[2024-12-02 08:14:28,470 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 499.8333333333333) internal successors, (2999), 6 states have internal predecessors, (2999), 0 states have call successors, (0), 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 08:14:28,470 INFO  L276                IsEmpty]: Start isEmpty. Operand 10316 states and 15458 transitions.
[2024-12-02 08:14:28,509 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3001
[2024-12-02 08:14:28,509 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:14:28,510 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:14:28,510 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 08:14:28,510 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:14:28,511 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:14:28,511 INFO  L85        PathProgramCache]: Analyzing trace with hash 2078693265, now seen corresponding path program 1 times
[2024-12-02 08:14:28,511 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:14:28,511 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195302567]
[2024-12-02 08:14:28,512 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:14:28,512 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:15:01,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:15:06,855 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:15:06,855 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:15:06,855 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195302567]
[2024-12-02 08:15:06,855 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195302567] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:15:06,855 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:15:06,856 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:15:06,856 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225067699]
[2024-12-02 08:15:06,856 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:15:06,858 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:15:06,858 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:15:06,859 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:15:06,859 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:15:06,860 INFO  L87              Difference]: Start difference. First operand 10316 states and 15458 transitions. Second operand  has 6 states, 6 states have (on average 500.0) internal successors, (3000), 6 states have internal predecessors, (3000), 0 states have call successors, (0), 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 08:15:11,205 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:15:11,205 INFO  L93              Difference]: Finished difference Result 28230 states and 42293 transitions.
[2024-12-02 08:15:11,205 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:15:11,206 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 500.0) internal successors, (3000), 6 states have internal predecessors, (3000), 0 states have call successors, (0), 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 3000
[2024-12-02 08:15:11,206 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:15:11,216 INFO  L225             Difference]: With dead ends: 28230
[2024-12-02 08:15:11,216 INFO  L226             Difference]: Without dead ends: 18500
[2024-12-02 08:15:11,223 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:15:11,223 INFO  L435           NwaCegarLoop]: 7269 mSDtfsCounter, 7612 mSDsluCounter, 28611 mSDsCounter, 0 mSdLazyCounter, 6107 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7612 SdHoareTripleChecker+Valid, 35880 SdHoareTripleChecker+Invalid, 6270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 6107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time
[2024-12-02 08:15:11,223 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7612 Valid, 35880 Invalid, 6270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [163 Valid, 6107 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time]
[2024-12-02 08:15:11,232 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18500 states.
[2024-12-02 08:15:11,304 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18500 to 11046.
[2024-12-02 08:15:11,311 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11046 states, 11045 states have (on average 1.4974196468990493) internal successors, (16539), 11045 states have internal predecessors, (16539), 0 states have call successors, (0), 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 08:15:11,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11046 states to 11046 states and 16539 transitions.
[2024-12-02 08:15:11,320 INFO  L78                 Accepts]: Start accepts. Automaton has 11046 states and 16539 transitions. Word has length 3000
[2024-12-02 08:15:11,320 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:15:11,320 INFO  L471      AbstractCegarLoop]: Abstraction has 11046 states and 16539 transitions.
[2024-12-02 08:15:11,321 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 500.0) internal successors, (3000), 6 states have internal predecessors, (3000), 0 states have call successors, (0), 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 08:15:11,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 11046 states and 16539 transitions.
[2024-12-02 08:15:11,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3002
[2024-12-02 08:15:11,411 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:15:11,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:15:11,413 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 08:15:11,413 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:15:11,414 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:15:11,414 INFO  L85        PathProgramCache]: Analyzing trace with hash 998749045, now seen corresponding path program 1 times
[2024-12-02 08:15:11,414 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:15:11,414 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231961516]
[2024-12-02 08:15:11,415 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:15:11,415 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:15:45,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:15:51,718 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:15:51,718 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:15:51,718 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231961516]
[2024-12-02 08:15:51,718 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231961516] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:15:51,718 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:15:51,719 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:15:51,719 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558466268]
[2024-12-02 08:15:51,719 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:15:51,721 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:15:51,721 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:15:51,723 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:15:51,723 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:15:51,723 INFO  L87              Difference]: Start difference. First operand 11046 states and 16539 transitions. Second operand  has 6 states, 6 states have (on average 500.1666666666667) internal successors, (3001), 6 states have internal predecessors, (3001), 0 states have call successors, (0), 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 08:15:56,513 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:15:56,513 INFO  L93              Difference]: Finished difference Result 30480 states and 45625 transitions.
[2024-12-02 08:15:56,513 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:15:56,513 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 500.1666666666667) internal successors, (3001), 6 states have internal predecessors, (3001), 0 states have call successors, (0), 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 3001
[2024-12-02 08:15:56,514 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:15:56,523 INFO  L225             Difference]: With dead ends: 30480
[2024-12-02 08:15:56,524 INFO  L226             Difference]: Without dead ends: 20024
[2024-12-02 08:15:56,529 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:15:56,530 INFO  L435           NwaCegarLoop]: 7261 mSDtfsCounter, 7603 mSDsluCounter, 30561 mSDsCounter, 0 mSdLazyCounter, 7008 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7603 SdHoareTripleChecker+Valid, 37822 SdHoareTripleChecker+Invalid, 7175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 7008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time
[2024-12-02 08:15:56,530 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7603 Valid, 37822 Invalid, 7175 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [167 Valid, 7008 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time]
[2024-12-02 08:15:56,539 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20024 states.
[2024-12-02 08:15:56,629 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20024 to 12666.
[2024-12-02 08:15:56,638 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12666 states, 12665 states have (on average 1.4954599289380182) internal successors, (18940), 12665 states have internal predecessors, (18940), 0 states have call successors, (0), 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 08:15:56,649 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12666 states to 12666 states and 18940 transitions.
[2024-12-02 08:15:56,650 INFO  L78                 Accepts]: Start accepts. Automaton has 12666 states and 18940 transitions. Word has length 3001
[2024-12-02 08:15:56,650 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:15:56,650 INFO  L471      AbstractCegarLoop]: Abstraction has 12666 states and 18940 transitions.
[2024-12-02 08:15:56,651 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 500.1666666666667) internal successors, (3001), 6 states have internal predecessors, (3001), 0 states have call successors, (0), 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 08:15:56,651 INFO  L276                IsEmpty]: Start isEmpty. Operand 12666 states and 18940 transitions.
[2024-12-02 08:15:56,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3003
[2024-12-02 08:15:56,689 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:15:56,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:15:56,690 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 08:15:56,691 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:15:56,692 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:15:56,693 INFO  L85        PathProgramCache]: Analyzing trace with hash 639194251, now seen corresponding path program 1 times
[2024-12-02 08:15:56,693 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:15:56,693 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785901430]
[2024-12-02 08:15:56,693 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:15:56,693 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:16:33,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:16:38,794 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:16:38,794 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:16:38,794 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785901430]
[2024-12-02 08:16:38,794 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785901430] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:16:38,794 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:16:38,795 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:16:38,795 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9862047]
[2024-12-02 08:16:38,795 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:16:38,798 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:16:38,798 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:16:38,801 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:16:38,801 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:16:38,802 INFO  L87              Difference]: Start difference. First operand 12666 states and 18940 transitions. Second operand  has 6 states, 6 states have (on average 500.3333333333333) internal successors, (3002), 6 states have internal predecessors, (3002), 0 states have call successors, (0), 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 08:16:41,590 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:16:41,590 INFO  L93              Difference]: Finished difference Result 34912 states and 52194 transitions.
[2024-12-02 08:16:41,590 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:16:41,591 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 500.3333333333333) internal successors, (3002), 6 states have internal predecessors, (3002), 0 states have call successors, (0), 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 3002
[2024-12-02 08:16:41,591 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:16:41,606 INFO  L225             Difference]: With dead ends: 34912
[2024-12-02 08:16:41,606 INFO  L226             Difference]: Without dead ends: 22860
[2024-12-02 08:16:41,616 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:16:41,616 INFO  L435           NwaCegarLoop]: 7263 mSDtfsCounter, 13228 mSDsluCounter, 22132 mSDsCounter, 0 mSdLazyCounter, 4111 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13228 SdHoareTripleChecker+Valid, 29395 SdHoareTripleChecker+Invalid, 4277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 4111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 08:16:41,617 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13228 Valid, 29395 Invalid, 4277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [166 Valid, 4111 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 08:16:41,635 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 22860 states.
[2024-12-02 08:16:41,821 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 22860 to 15590.
[2024-12-02 08:16:41,833 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15590 states, 15589 states have (on average 1.4929758162807107) internal successors, (23274), 15589 states have internal predecessors, (23274), 0 states have call successors, (0), 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 08:16:41,856 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15590 states to 15590 states and 23274 transitions.
[2024-12-02 08:16:41,856 INFO  L78                 Accepts]: Start accepts. Automaton has 15590 states and 23274 transitions. Word has length 3002
[2024-12-02 08:16:41,857 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:16:41,857 INFO  L471      AbstractCegarLoop]: Abstraction has 15590 states and 23274 transitions.
[2024-12-02 08:16:41,858 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 500.3333333333333) internal successors, (3002), 6 states have internal predecessors, (3002), 0 states have call successors, (0), 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 08:16:41,858 INFO  L276                IsEmpty]: Start isEmpty. Operand 15590 states and 23274 transitions.
[2024-12-02 08:16:41,962 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3004
[2024-12-02 08:16:41,962 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:16:41,963 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:16:41,963 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 08:16:41,963 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:16:41,964 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:16:41,965 INFO  L85        PathProgramCache]: Analyzing trace with hash -1033316433, now seen corresponding path program 1 times
[2024-12-02 08:16:41,966 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:16:41,966 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134081032]
[2024-12-02 08:16:41,966 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:16:41,966 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:17:15,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:17:21,360 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:17:21,360 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:17:21,361 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134081032]
[2024-12-02 08:17:21,361 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134081032] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:17:21,361 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:17:21,361 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:17:21,361 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2351480]
[2024-12-02 08:17:21,361 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:17:21,363 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:17:21,363 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:17:21,365 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:17:21,366 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:17:21,366 INFO  L87              Difference]: Start difference. First operand 15590 states and 23274 transitions. Second operand  has 6 states, 6 states have (on average 500.5) internal successors, (3003), 6 states have internal predecessors, (3003), 0 states have call successors, (0), 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 08:17:24,398 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:17:24,398 INFO  L93              Difference]: Finished difference Result 43990 states and 65659 transitions.
[2024-12-02 08:17:24,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:17:24,399 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 500.5) internal successors, (3003), 6 states have internal predecessors, (3003), 0 states have call successors, (0), 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 3003
[2024-12-02 08:17:24,399 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:17:24,415 INFO  L225             Difference]: With dead ends: 43990
[2024-12-02 08:17:24,415 INFO  L226             Difference]: Without dead ends: 29054
[2024-12-02 08:17:24,425 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:17:24,425 INFO  L435           NwaCegarLoop]: 11678 mSDtfsCounter, 12534 mSDsluCounter, 26166 mSDsCounter, 0 mSdLazyCounter, 4735 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12534 SdHoareTripleChecker+Valid, 37844 SdHoareTripleChecker+Invalid, 4937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 4735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-12-02 08:17:24,425 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12534 Valid, 37844 Invalid, 4937 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [202 Valid, 4735 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-12-02 08:17:24,440 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29054 states.
[2024-12-02 08:17:24,610 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29054 to 22438.
[2024-12-02 08:17:24,626 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22438 states, 22437 states have (on average 1.490217052190578) internal successors, (33436), 22437 states have internal predecessors, (33436), 0 states have call successors, (0), 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 08:17:24,647 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22438 states to 22438 states and 33436 transitions.
[2024-12-02 08:17:24,647 INFO  L78                 Accepts]: Start accepts. Automaton has 22438 states and 33436 transitions. Word has length 3003
[2024-12-02 08:17:24,648 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:17:24,648 INFO  L471      AbstractCegarLoop]: Abstraction has 22438 states and 33436 transitions.
[2024-12-02 08:17:24,649 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 500.5) internal successors, (3003), 6 states have internal predecessors, (3003), 0 states have call successors, (0), 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 08:17:24,649 INFO  L276                IsEmpty]: Start isEmpty. Operand 22438 states and 33436 transitions.
[2024-12-02 08:17:24,864 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3005
[2024-12-02 08:17:24,865 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:17:24,866 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:17:24,866 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 08:17:24,866 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:17:24,867 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:17:24,868 INFO  L85        PathProgramCache]: Analyzing trace with hash -1325258420, now seen corresponding path program 1 times
[2024-12-02 08:17:24,868 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:17:24,868 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329650789]
[2024-12-02 08:17:24,869 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:17:24,869 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:17:58,191 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:18:03,214 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:18:03,214 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:18:03,214 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329650789]
[2024-12-02 08:18:03,214 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329650789] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:18:03,214 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:18:03,215 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:18:03,215 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749940263]
[2024-12-02 08:18:03,215 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:18:03,217 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:18:03,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:18:03,218 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:18:03,219 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:18:03,219 INFO  L87              Difference]: Start difference. First operand 22438 states and 33436 transitions. Second operand  has 6 states, 6 states have (on average 500.6666666666667) internal successors, (3004), 6 states have internal predecessors, (3004), 0 states have call successors, (0), 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 08:18:06,281 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:18:06,281 INFO  L93              Difference]: Finished difference Result 64374 states and 95921 transitions.
[2024-12-02 08:18:06,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:18:06,282 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 500.6666666666667) internal successors, (3004), 6 states have internal predecessors, (3004), 0 states have call successors, (0), 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 3004
[2024-12-02 08:18:06,282 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:18:06,303 INFO  L225             Difference]: With dead ends: 64374
[2024-12-02 08:18:06,303 INFO  L226             Difference]: Without dead ends: 42818
[2024-12-02 08:18:06,316 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:18:06,316 INFO  L435           NwaCegarLoop]: 7192 mSDtfsCounter, 12593 mSDsluCounter, 21663 mSDsCounter, 0 mSdLazyCounter, 4725 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12593 SdHoareTripleChecker+Valid, 28855 SdHoareTripleChecker+Invalid, 4929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 4725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-12-02 08:18:06,316 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12593 Valid, 28855 Invalid, 4929 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [204 Valid, 4725 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-12-02 08:18:06,335 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42818 states.
[2024-12-02 08:18:06,556 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42818 to 36180.
[2024-12-02 08:18:06,579 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 36180 states, 36179 states have (on average 1.4878520688797368) internal successors, (53829), 36179 states have internal predecessors, (53829), 0 states have call successors, (0), 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 08:18:06,614 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36180 states to 36180 states and 53829 transitions.
[2024-12-02 08:18:06,614 INFO  L78                 Accepts]: Start accepts. Automaton has 36180 states and 53829 transitions. Word has length 3004
[2024-12-02 08:18:06,614 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:18:06,614 INFO  L471      AbstractCegarLoop]: Abstraction has 36180 states and 53829 transitions.
[2024-12-02 08:18:06,615 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 500.6666666666667) internal successors, (3004), 6 states have internal predecessors, (3004), 0 states have call successors, (0), 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 08:18:06,615 INFO  L276                IsEmpty]: Start isEmpty. Operand 36180 states and 53829 transitions.
[2024-12-02 08:18:06,667 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3006
[2024-12-02 08:18:06,667 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:18:06,668 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:18:06,668 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 08:18:06,668 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:18:06,669 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:18:06,669 INFO  L85        PathProgramCache]: Analyzing trace with hash 753338226, now seen corresponding path program 1 times
[2024-12-02 08:18:06,669 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:18:06,669 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856032435]
[2024-12-02 08:18:06,670 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:18:06,670 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:18:39,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:18:45,221 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:18:45,221 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:18:45,221 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856032435]
[2024-12-02 08:18:45,222 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856032435] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:18:45,222 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:18:45,222 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:18:45,223 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968775775]
[2024-12-02 08:18:45,223 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:18:45,226 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:18:45,226 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:18:45,229 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:18:45,229 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:18:45,229 INFO  L87              Difference]: Start difference. First operand 36180 states and 53829 transitions. Second operand  has 4 states, 4 states have (on average 751.25) internal successors, (3005), 4 states have internal predecessors, (3005), 0 states have call successors, (0), 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 08:18:47,970 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:18:47,971 INFO  L93              Difference]: Finished difference Result 71014 states and 105704 transitions.
[2024-12-02 08:18:47,971 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 08:18:47,971 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 751.25) internal successors, (3005), 4 states have internal predecessors, (3005), 0 states have call successors, (0), 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 3005
[2024-12-02 08:18:47,972 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:18:47,988 INFO  L225             Difference]: With dead ends: 71014
[2024-12-02 08:18:47,988 INFO  L226             Difference]: Without dead ends: 36180
[2024-12-02 08:18:47,998 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:18:47,998 INFO  L435           NwaCegarLoop]: 6470 mSDtfsCounter, 6956 mSDsluCounter, 6462 mSDsCounter, 0 mSdLazyCounter, 4152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6956 SdHoareTripleChecker+Valid, 12932 SdHoareTripleChecker+Invalid, 4153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 08:18:47,998 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6956 Valid, 12932 Invalid, 4153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4152 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 08:18:48,013 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36180 states.
[2024-12-02 08:18:48,216 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36180 to 36180.
[2024-12-02 08:18:48,239 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 36180 states, 36179 states have (on average 1.487796788192045) internal successors, (53827), 36179 states have internal predecessors, (53827), 0 states have call successors, (0), 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 08:18:48,274 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36180 states to 36180 states and 53827 transitions.
[2024-12-02 08:18:48,275 INFO  L78                 Accepts]: Start accepts. Automaton has 36180 states and 53827 transitions. Word has length 3005
[2024-12-02 08:18:48,276 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:18:48,276 INFO  L471      AbstractCegarLoop]: Abstraction has 36180 states and 53827 transitions.
[2024-12-02 08:18:48,276 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 751.25) internal successors, (3005), 4 states have internal predecessors, (3005), 0 states have call successors, (0), 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 08:18:48,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 36180 states and 53827 transitions.
[2024-12-02 08:18:48,330 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3007
[2024-12-02 08:18:48,330 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:18:48,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:18:48,331 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 08:18:48,331 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:18:48,332 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:18:48,332 INFO  L85        PathProgramCache]: Analyzing trace with hash 2107411596, now seen corresponding path program 1 times
[2024-12-02 08:18:48,332 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:18:48,332 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297704606]
[2024-12-02 08:18:48,332 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:18:48,332 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:19:25,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:19:29,931 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:19:29,931 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:19:29,931 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297704606]
[2024-12-02 08:19:29,931 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297704606] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:19:29,931 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:19:29,932 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:19:29,932 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899648979]
[2024-12-02 08:19:29,932 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:19:29,934 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:19:29,934 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:19:29,935 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:19:29,935 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:19:29,936 INFO  L87              Difference]: Start difference. First operand 36180 states and 53827 transitions. Second operand  has 6 states, 6 states have (on average 501.0) internal successors, (3006), 6 states have internal predecessors, (3006), 0 states have call successors, (0), 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 08:19:34,830 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:19:34,830 INFO  L93              Difference]: Finished difference Result 105204 states and 156532 transitions.
[2024-12-02 08:19:34,830 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:19:34,831 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 501.0) internal successors, (3006), 6 states have internal predecessors, (3006), 0 states have call successors, (0), 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 3006
[2024-12-02 08:19:34,831 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:19:34,865 INFO  L225             Difference]: With dead ends: 105204
[2024-12-02 08:19:34,865 INFO  L226             Difference]: Without dead ends: 70370
[2024-12-02 08:19:34,885 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:19:34,886 INFO  L435           NwaCegarLoop]: 7188 mSDtfsCounter, 7296 mSDsluCounter, 28094 mSDsCounter, 0 mSdLazyCounter, 6797 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7296 SdHoareTripleChecker+Valid, 35282 SdHoareTripleChecker+Invalid, 7003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 6797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time
[2024-12-02 08:19:34,886 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7296 Valid, 35282 Invalid, 7003 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [206 Valid, 6797 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time]
[2024-12-02 08:19:34,916 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 70370 states.
[2024-12-02 08:19:35,301 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 70370 to 63710.
[2024-12-02 08:19:35,341 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63710 states, 63709 states have (on average 1.4861636503476745) internal successors, (94682), 63709 states have internal predecessors, (94682), 0 states have call successors, (0), 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 08:19:35,405 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63710 states to 63710 states and 94682 transitions.
[2024-12-02 08:19:35,406 INFO  L78                 Accepts]: Start accepts. Automaton has 63710 states and 94682 transitions. Word has length 3006
[2024-12-02 08:19:35,406 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:19:35,406 INFO  L471      AbstractCegarLoop]: Abstraction has 63710 states and 94682 transitions.
[2024-12-02 08:19:35,407 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 501.0) internal successors, (3006), 6 states have internal predecessors, (3006), 0 states have call successors, (0), 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 08:19:35,407 INFO  L276                IsEmpty]: Start isEmpty. Operand 63710 states and 94682 transitions.
[2024-12-02 08:19:35,472 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3008
[2024-12-02 08:19:35,472 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:19:35,473 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:19:35,473 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 08:19:35,473 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:19:35,474 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:19:35,475 INFO  L85        PathProgramCache]: Analyzing trace with hash 1091124160, now seen corresponding path program 1 times
[2024-12-02 08:19:35,475 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:19:35,475 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326241425]
[2024-12-02 08:19:35,475 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:19:35,475 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:20:12,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:20:17,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:20:17,373 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:20:17,373 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326241425]
[2024-12-02 08:20:17,373 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326241425] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:20:17,373 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:20:17,374 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:20:17,374 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165792856]
[2024-12-02 08:20:17,374 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:20:17,375 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:20:17,375 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:20:17,376 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:20:17,377 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:20:17,377 INFO  L87              Difference]: Start difference. First operand 63710 states and 94682 transitions. Second operand  has 6 states, 6 states have (on average 501.1666666666667) internal successors, (3007), 6 states have internal predecessors, (3007), 0 states have call successors, (0), 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 08:20:21,928 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:20:25,936 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:20:29,963 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:20:33,996 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:20:38,017 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:20:41,019 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:20:41,019 INFO  L93              Difference]: Finished difference Result 186926 states and 277859 transitions.
[2024-12-02 08:20:41,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:20:41,020 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 501.1666666666667) internal successors, (3007), 6 states have internal predecessors, (3007), 0 states have call successors, (0), 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 3007
[2024-12-02 08:20:41,020 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:20:41,080 INFO  L225             Difference]: With dead ends: 186926
[2024-12-02 08:20:41,080 INFO  L226             Difference]: Without dead ends: 125498
[2024-12-02 08:20:41,100 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:20:41,104 INFO  L435           NwaCegarLoop]: 7184 mSDtfsCounter, 12701 mSDsluCounter, 21762 mSDsCounter, 0 mSdLazyCounter, 4838 mSolverCounterSat, 208 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12701 SdHoareTripleChecker+Valid, 28946 SdHoareTripleChecker+Invalid, 5051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 4838 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time
[2024-12-02 08:20:41,104 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12701 Valid, 28946 Invalid, 5051 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [208 Valid, 4838 Invalid, 5 Unknown, 0 Unchecked, 23.2s Time]
[2024-12-02 08:20:41,152 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125498 states.
[2024-12-02 08:20:41,956 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125498 to 118816.
[2024-12-02 08:20:42,010 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 118816 states, 118815 states have (on average 1.4851744308378572) internal successors, (176461), 118815 states have internal predecessors, (176461), 0 states have call successors, (0), 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 08:20:42,131 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 118816 states to 118816 states and 176461 transitions.
[2024-12-02 08:20:42,131 INFO  L78                 Accepts]: Start accepts. Automaton has 118816 states and 176461 transitions. Word has length 3007
[2024-12-02 08:20:42,132 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:20:42,132 INFO  L471      AbstractCegarLoop]: Abstraction has 118816 states and 176461 transitions.
[2024-12-02 08:20:42,132 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 501.1666666666667) internal successors, (3007), 6 states have internal predecessors, (3007), 0 states have call successors, (0), 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 08:20:42,132 INFO  L276                IsEmpty]: Start isEmpty. Operand 118816 states and 176461 transitions.
[2024-12-02 08:20:42,222 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3009
[2024-12-02 08:20:42,222 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:20:42,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:42,223 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 08:20:42,223 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:20:42,224 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:20:42,224 INFO  L85        PathProgramCache]: Analyzing trace with hash -1704153958, now seen corresponding path program 1 times
[2024-12-02 08:20:42,224 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:20:42,225 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982916521]
[2024-12-02 08:20:42,225 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:20:42,225 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:21:17,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:21:22,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:21:22,733 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:21:22,734 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982916521]
[2024-12-02 08:21:22,734 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982916521] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:21:22,734 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:21:22,734 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:21:22,734 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026290698]
[2024-12-02 08:21:22,734 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:21:22,737 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:21:22,737 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:21:22,738 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:21:22,738 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:21:22,739 INFO  L87              Difference]: Start difference. First operand 118816 states and 176461 transitions. Second operand  has 6 states, 6 states have (on average 501.3333333333333) internal successors, (3008), 6 states have internal predecessors, (3008), 0 states have call successors, (0), 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 08:21:28,081 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:21:28,081 INFO  L93              Difference]: Finished difference Result 350432 states and 520606 transitions.
[2024-12-02 08:21:28,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:21:28,082 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 501.3333333333333) internal successors, (3008), 6 states have internal predecessors, (3008), 0 states have call successors, (0), 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 3008
[2024-12-02 08:21:28,082 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:21:28,212 INFO  L225             Difference]: With dead ends: 350432
[2024-12-02 08:21:28,213 INFO  L226             Difference]: Without dead ends: 235778
[2024-12-02 08:21:28,276 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:21:28,277 INFO  L435           NwaCegarLoop]: 7180 mSDtfsCounter, 7354 mSDsluCounter, 28138 mSDsCounter, 0 mSdLazyCounter, 6861 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7354 SdHoareTripleChecker+Valid, 35318 SdHoareTripleChecker+Invalid, 7071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 6861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time
[2024-12-02 08:21:28,277 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7354 Valid, 35318 Invalid, 7071 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [210 Valid, 6861 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time]
[2024-12-02 08:21:28,376 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 235778 states.
[2024-12-02 08:21:30,015 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 235778 to 229074.
[2024-12-02 08:21:30,158 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 229074 states, 229073 states have (on average 1.484627171251086) internal successors, (340088), 229073 states have internal predecessors, (340088), 0 states have call successors, (0), 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 08:21:30,407 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 229074 states to 229074 states and 340088 transitions.
[2024-12-02 08:21:30,407 INFO  L78                 Accepts]: Start accepts. Automaton has 229074 states and 340088 transitions. Word has length 3008
[2024-12-02 08:21:30,407 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:21:30,407 INFO  L471      AbstractCegarLoop]: Abstraction has 229074 states and 340088 transitions.
[2024-12-02 08:21:30,408 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 501.3333333333333) internal successors, (3008), 6 states have internal predecessors, (3008), 0 states have call successors, (0), 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 08:21:30,408 INFO  L276                IsEmpty]: Start isEmpty. Operand 229074 states and 340088 transitions.
[2024-12-02 08:21:30,561 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3010
[2024-12-02 08:21:30,561 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:21:30,562 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:30,562 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 08:21:30,562 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:21:30,563 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:21:30,563 INFO  L85        PathProgramCache]: Analyzing trace with hash 418940814, now seen corresponding path program 1 times
[2024-12-02 08:21:30,564 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:21:30,564 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198838050]
[2024-12-02 08:21:30,564 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:21:30,564 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:22:05,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:22:10,878 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:22:10,878 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:22:10,878 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198838050]
[2024-12-02 08:22:10,878 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198838050] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:22:10,878 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:22:10,879 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:22:10,879 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391903881]
[2024-12-02 08:22:10,879 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:22:10,881 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:22:10,881 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:22:10,883 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:22:10,883 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:22:10,884 INFO  L87              Difference]: Start difference. First operand 229074 states and 340088 transitions. Second operand  has 6 states, 6 states have (on average 501.5) internal successors, (3009), 6 states have internal predecessors, (3009), 0 states have call successors, (0), 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 08:22:15,793 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:22:15,793 INFO  L93              Difference]: Finished difference Result 677506 states and 1006193 transitions.
[2024-12-02 08:22:15,794 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:22:15,794 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 501.5) internal successors, (3009), 6 states have internal predecessors, (3009), 0 states have call successors, (0), 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 3009
[2024-12-02 08:22:15,794 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:22:16,345 INFO  L225             Difference]: With dead ends: 677506
[2024-12-02 08:22:16,345 INFO  L226             Difference]: Without dead ends: 456362
[2024-12-02 08:22:16,405 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:22:16,406 INFO  L435           NwaCegarLoop]: 7176 mSDtfsCounter, 12813 mSDsluCounter, 21813 mSDsCounter, 0 mSdLazyCounter, 4911 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12813 SdHoareTripleChecker+Valid, 28989 SdHoareTripleChecker+Invalid, 5123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 4911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2024-12-02 08:22:16,406 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12813 Valid, 28989 Invalid, 5123 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [212 Valid, 4911 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2024-12-02 08:22:16,576 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 456362 states.
[2024-12-02 08:22:20,145 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 456362 to 449636.
[2024-12-02 08:22:20,347 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 449636 states, 449635 states have (on average 1.4843395198327531) internal successors, (667411), 449635 states have internal predecessors, (667411), 0 states have call successors, (0), 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 08:22:21,404 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 449636 states to 449636 states and 667411 transitions.
[2024-12-02 08:22:21,404 INFO  L78                 Accepts]: Start accepts. Automaton has 449636 states and 667411 transitions. Word has length 3009
[2024-12-02 08:22:21,404 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:22:21,404 INFO  L471      AbstractCegarLoop]: Abstraction has 449636 states and 667411 transitions.
[2024-12-02 08:22:21,405 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 501.5) internal successors, (3009), 6 states have internal predecessors, (3009), 0 states have call successors, (0), 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 08:22:21,405 INFO  L276                IsEmpty]: Start isEmpty. Operand 449636 states and 667411 transitions.
[2024-12-02 08:22:22,007 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3011
[2024-12-02 08:22:22,007 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:22:22,007 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:22:22,008 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 08:22:22,008 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:22:22,008 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:22:22,009 INFO  L85        PathProgramCache]: Analyzing trace with hash 1136898728, now seen corresponding path program 1 times
[2024-12-02 08:22:22,009 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:22:22,009 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001154254]
[2024-12-02 08:22:22,009 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:22:22,009 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:22:59,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat