./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.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_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/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_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/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_75d8a66c-1f6a-447a-84fb-986fe7101fad/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 ab2df055a3241c8b861aec64972e3e5c64edfe101e83fca1a7d49d863915750d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:20:53,662 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:20:53,714 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 10:20:53,719 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:20:53,719 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:20:53,740 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:20:53,741 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:20:53,741 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:20:53,741 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:20:53,741 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 10:20:53,741 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:20:53,741 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:20:53,742 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:20:53,742 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 10:20:53,742 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 10:20:53,742 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:20:53,742 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:20:53,742 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 10:20:53,743 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 10:20:53,743 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:20:53,743 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:20:53,743 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:20:53,743 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 10:20:53,743 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:20:53,743 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 10:20:53,743 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:20:53,743 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 10:20:53,743 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:20:53,743 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 10:20:53,744 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:20:53,744 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:20:53,744 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 10:20:53,744 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:20:53,744 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 10:20:53,744 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:20:53,744 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:20:53,744 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:20:53,744 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 10:20:53,745 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:20:53,745 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 10:20:53,745 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 10:20:53,745 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:20:53,745 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:20:53,745 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:20:53,745 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:20:53,745 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_75d8a66c-1f6a-447a-84fb-986fe7101fad/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 -> ab2df055a3241c8b861aec64972e3e5c64edfe101e83fca1a7d49d863915750d
[2024-12-02 10:20:53,948 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:20:53,956 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:20:53,959 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:20:53,960 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 10:20:53,960 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 10:20:53,961 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c
[2024-12-02 10:20:56,640 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/data/cb5403ce7/6c90798a13d44b8dbb37ef6dce8030c7/FLAGced274cc1
[2024-12-02 10:20:57,147 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 10:20:57,147 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c
[2024-12-02 10:20:57,190 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/data/cb5403ce7/6c90798a13d44b8dbb37ef6dce8030c7/FLAGced274cc1
[2024-12-02 10:20:57,222 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/data/cb5403ce7/6c90798a13d44b8dbb37ef6dce8030c7
[2024-12-02 10:20:57,225 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:20:57,226 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:20:57,227 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:20:57,228 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:20:57,232 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:20:57,233 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:20:57" (1/1) ...
[2024-12-02 10:20:57,233 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fad2f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:57, skipping insertion in model container
[2024-12-02 10:20:57,234 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:20:57" (1/1) ...
[2024-12-02 10:20:57,398 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:20:57,650 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_75d8a66c-1f6a-447a-84fb-986fe7101fad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c[1271,1284]
[2024-12-02 10:20:58,767 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:20:58,779 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 10:20:58,792 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_75d8a66c-1f6a-447a-84fb-986fe7101fad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c[1271,1284]
[2024-12-02 10:20:59,527 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:20:59,540 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 10:20:59,541 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59 WrapperNode
[2024-12-02 10:20:59,541 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 10:20:59,542 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 10:20:59,542 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 10:20:59,542 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 10:20:59,549 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:20:59,794 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:02,097 INFO  L138                Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34644
[2024-12-02 10:21:02,097 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 10:21:02,098 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 10:21:02,098 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 10:21:02,098 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 10:21:02,105 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:02,106 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:02,771 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:03,226 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 10:21:03,226 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:03,226 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:03,648 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:03,711 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:03,801 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:03,907 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:03,981 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:04,533 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 10:21:04,534 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 10:21:04,534 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 10:21:04,534 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 10:21:04,536 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (1/1) ...
[2024-12-02 10:21:04,541 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:21:04,551 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:21:04,564 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 10:21:04,567 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d8a66c-1f6a-447a-84fb-986fe7101fad/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 10:21:04,593 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 10:21:04,593 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 10:21:04,593 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 10:21:04,593 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 10:21:04,594 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 10:21:04,594 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 10:21:06,497 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 10:21:06,499 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 10:23:38,478 INFO  L?                        ?]: Removed 20436 outVars from TransFormulas that were not future-live.
[2024-12-02 10:23:38,480 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 10:23:38,696 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 10:23:38,696 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 10:23:38,697 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:23:38 BoogieIcfgContainer
[2024-12-02 10:23:38,697 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 10:23:38,707 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 10:23:38,707 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 10:23:38,720 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 10:23:38,720 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:20:57" (1/3) ...
[2024-12-02 10:23:38,722 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb042f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:23:38, skipping insertion in model container
[2024-12-02 10:23:38,722 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:59" (2/3) ...
[2024-12-02 10:23:38,722 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb042f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:23:38, skipping insertion in model container
[2024-12-02 10:23:38,722 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:23:38" (3/3) ...
[2024-12-02 10:23:38,725 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c
[2024-12-02 10:23:38,748 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 10:23:38,751 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c that has 2 procedures, 9092 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 10:23:39,013 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 10:23:39,033 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;@708794d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 10:23:39,033 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 10:23:39,065 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 9092 states, 9076 states have (on average 1.499118554429264) internal successors, (13606), 9077 states have internal predecessors, (13606), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:23:39,327 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1920
[2024-12-02 10:23:39,327 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:23:39,330 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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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]
[2024-12-02 10:23:39,330 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:23:39,336 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:23:39,338 INFO  L85        PathProgramCache]: Analyzing trace with hash -1641491582, now seen corresponding path program 1 times
[2024-12-02 10:23:39,346 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:23:39,347 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224466527]
[2024-12-02 10:23:39,348 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:23:39,348 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:23:44,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:23:53,625 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:23:53,625 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:23:53,626 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224466527]
[2024-12-02 10:23:53,627 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224466527] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:23:53,627 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:23:53,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:23:53,629 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908311118]
[2024-12-02 10:23:53,630 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:23:53,638 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:23:53,639 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:23:53,666 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:23:53,667 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:23:53,685 INFO  L87              Difference]: Start difference. First operand  has 9092 states, 9076 states have (on average 1.499118554429264) internal successors, (13606), 9077 states have internal predecessors, (13606), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand  has 4 states, 4 states have (on average 464.25) internal successors, (1857), 4 states have internal predecessors, (1857), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:23:54,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:23:54,193 INFO  L93              Difference]: Finished difference Result 16049 states and 24078 transitions.
[2024-12-02 10:23:54,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:23:54,196 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 464.25) internal successors, (1857), 4 states have internal predecessors, (1857), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1919
[2024-12-02 10:23:54,202 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:23:54,242 INFO  L225             Difference]: With dead ends: 16049
[2024-12-02 10:23:54,242 INFO  L226             Difference]: Without dead ends: 9091
[2024-12-02 10:23:54,256 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 10:23:54,260 INFO  L435           NwaCegarLoop]: 13625 mSDtfsCounter, 0 mSDsluCounter, 27244 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40869 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:23:54,261 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40869 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 10:23:54,291 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-12-02 10:23:54,487 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-12-02 10:23:54,503 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.498788012340238) internal successors, (13603), 9076 states have internal predecessors, (13603), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:23:54,544 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13629 transitions.
[2024-12-02 10:23:54,546 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13629 transitions. Word has length 1919
[2024-12-02 10:23:54,551 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:23:54,551 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13629 transitions.
[2024-12-02 10:23:54,553 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 464.25) internal successors, (1857), 4 states have internal predecessors, (1857), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:23:54,553 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13629 transitions.
[2024-12-02 10:23:54,625 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1921
[2024-12-02 10:23:54,625 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:23:54,626 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:23:54,627 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 10:23:54,627 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:23:54,628 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:23:54,629 INFO  L85        PathProgramCache]: Analyzing trace with hash 655075623, now seen corresponding path program 1 times
[2024-12-02 10:23:54,629 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:23:54,630 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768624715]
[2024-12-02 10:23:54,630 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:23:54,631 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:23:58,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:24:02,827 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:24:02,827 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:24:02,827 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768624715]
[2024-12-02 10:24:02,828 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768624715] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:24:02,828 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:24:02,828 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:24:02,828 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424623021]
[2024-12-02 10:24:02,828 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:24:02,834 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:24:02,834 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:24:02,837 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:24:02,837 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:24:02,839 INFO  L87              Difference]: Start difference. First operand 9091 states and 13629 transitions. Second operand  has 5 states, 5 states have (on average 371.6) internal successors, (1858), 5 states have internal predecessors, (1858), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-12-02 10:24:09,133 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:24:09,133 INFO  L93              Difference]: Finished difference Result 21825 states and 32722 transitions.
[2024-12-02 10:24:09,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 10:24:09,135 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 371.6) internal successors, (1858), 5 states have internal predecessors, (1858), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1920
[2024-12-02 10:24:09,138 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:24:09,165 INFO  L225             Difference]: With dead ends: 21825
[2024-12-02 10:24:09,165 INFO  L226             Difference]: Without dead ends: 9091
[2024-12-02 10:24:09,181 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-12-02 10:24:09,182 INFO  L435           NwaCegarLoop]: 13174 mSDtfsCounter, 27699 mSDsluCounter, 23861 mSDsCounter, 0 mSdLazyCounter, 4218 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27707 SdHoareTripleChecker+Valid, 37035 SdHoareTripleChecker+Invalid, 4813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 4218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time
[2024-12-02 10:24:09,182 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [27707 Valid, 37035 Invalid, 4813 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [595 Valid, 4218 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time]
[2024-12-02 10:24:09,202 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-12-02 10:24:09,417 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-12-02 10:24:09,432 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.498677831643896) internal successors, (13602), 9076 states have internal predecessors, (13602), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:24:09,457 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13628 transitions.
[2024-12-02 10:24:09,457 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13628 transitions. Word has length 1920
[2024-12-02 10:24:09,460 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:24:09,460 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13628 transitions.
[2024-12-02 10:24:09,461 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 371.6) internal successors, (1858), 5 states have internal predecessors, (1858), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-12-02 10:24:09,461 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13628 transitions.
[2024-12-02 10:24:09,529 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1922
[2024-12-02 10:24:09,529 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:24:09,530 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:24:09,531 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 10:24:09,531 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:24:09,532 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:24:09,533 INFO  L85        PathProgramCache]: Analyzing trace with hash 485291984, now seen corresponding path program 1 times
[2024-12-02 10:24:09,534 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:24:09,534 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505372208]
[2024-12-02 10:24:09,534 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:24:09,535 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:24:13,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:24:17,021 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:24:17,021 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:24:17,022 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505372208]
[2024-12-02 10:24:17,022 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505372208] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:24:17,022 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:24:17,022 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:24:17,022 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065826688]
[2024-12-02 10:24:17,022 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:24:17,025 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:24:17,025 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:24:17,026 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:24:17,026 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:24:17,027 INFO  L87              Difference]: Start difference. First operand 9091 states and 13628 transitions. Second operand  has 5 states, 5 states have (on average 371.8) internal successors, (1859), 5 states have internal predecessors, (1859), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-12-02 10:24:21,609 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:24:21,609 INFO  L93              Difference]: Finished difference Result 16048 states and 24056 transitions.
[2024-12-02 10:24:21,609 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:24:21,610 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 371.8) internal successors, (1859), 5 states have internal predecessors, (1859), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1921
[2024-12-02 10:24:21,613 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:24:21,640 INFO  L225             Difference]: With dead ends: 16048
[2024-12-02 10:24:21,640 INFO  L226             Difference]: Without dead ends: 9091
[2024-12-02 10:24:21,649 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:24:21,649 INFO  L435           NwaCegarLoop]: 10657 mSDtfsCounter, 25898 mSDsluCounter, 10659 mSDsCounter, 0 mSdLazyCounter, 5948 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25903 SdHoareTripleChecker+Valid, 21316 SdHoareTripleChecker+Invalid, 5949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time
[2024-12-02 10:24:21,650 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25903 Valid, 21316 Invalid, 5949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5948 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time]
[2024-12-02 10:24:21,664 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-12-02 10:24:21,794 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-12-02 10:24:21,808 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.498567650947554) internal successors, (13601), 9076 states have internal predecessors, (13601), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:24:21,822 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13627 transitions.
[2024-12-02 10:24:21,822 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13627 transitions. Word has length 1921
[2024-12-02 10:24:21,824 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:24:21,824 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13627 transitions.
[2024-12-02 10:24:21,825 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 371.8) internal successors, (1859), 5 states have internal predecessors, (1859), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-12-02 10:24:21,825 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13627 transitions.
[2024-12-02 10:24:21,856 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1923
[2024-12-02 10:24:21,856 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:24:21,859 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:21,859 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 10:24:21,859 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:24:21,860 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:24:21,861 INFO  L85        PathProgramCache]: Analyzing trace with hash 186529458, now seen corresponding path program 1 times
[2024-12-02 10:24:21,861 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:24:21,861 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520745762]
[2024-12-02 10:24:21,861 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:24:21,862 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:24:24,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:24:28,176 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:24:28,176 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:24:28,176 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520745762]
[2024-12-02 10:24:28,176 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520745762] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:24:28,176 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:24:28,176 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:24:28,176 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021996740]
[2024-12-02 10:24:28,177 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:24:28,178 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:24:28,178 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:24:28,179 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:24:28,179 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:24:28,179 INFO  L87              Difference]: Start difference. First operand 9091 states and 13627 transitions. Second operand  has 5 states, 5 states have (on average 372.0) internal successors, (1860), 5 states have internal predecessors, (1860), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-12-02 10:24:32,405 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:24:32,405 INFO  L93              Difference]: Finished difference Result 16048 states and 24054 transitions.
[2024-12-02 10:24:32,406 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:24:32,406 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 372.0) internal successors, (1860), 5 states have internal predecessors, (1860), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1922
[2024-12-02 10:24:32,407 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:24:32,421 INFO  L225             Difference]: With dead ends: 16048
[2024-12-02 10:24:32,421 INFO  L226             Difference]: Without dead ends: 9091
[2024-12-02 10:24:32,426 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:24:32,427 INFO  L435           NwaCegarLoop]: 10657 mSDtfsCounter, 25578 mSDsluCounter, 10659 mSDsCounter, 0 mSdLazyCounter, 5946 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25583 SdHoareTripleChecker+Valid, 21316 SdHoareTripleChecker+Invalid, 5947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:24:32,428 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25583 Valid, 21316 Invalid, 5947 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5946 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time]
[2024-12-02 10:24:32,439 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-12-02 10:24:32,522 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-12-02 10:24:32,531 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.498457470251212) internal successors, (13600), 9076 states have internal predecessors, (13600), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:24:32,541 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13626 transitions.
[2024-12-02 10:24:32,542 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13626 transitions. Word has length 1922
[2024-12-02 10:24:32,543 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:24:32,543 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13626 transitions.
[2024-12-02 10:24:32,544 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 372.0) internal successors, (1860), 5 states have internal predecessors, (1860), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-12-02 10:24:32,544 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13626 transitions.
[2024-12-02 10:24:32,562 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1924
[2024-12-02 10:24:32,562 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:24:32,563 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:32,564 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 10:24:32,564 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:24:32,565 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:24:32,565 INFO  L85        PathProgramCache]: Analyzing trace with hash -2146444071, now seen corresponding path program 1 times
[2024-12-02 10:24:32,565 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:24:32,565 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596329499]
[2024-12-02 10:24:32,565 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:24:32,566 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:24:35,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:24:39,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:24:39,973 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:24:39,973 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596329499]
[2024-12-02 10:24:39,973 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596329499] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:24:39,973 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:24:39,973 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:24:39,973 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999062779]
[2024-12-02 10:24:39,974 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:24:39,975 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:24:39,976 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:24:39,978 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:24:39,978 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:24:39,979 INFO  L87              Difference]: Start difference. First operand 9091 states and 13626 transitions. Second operand  has 5 states, 5 states have (on average 372.2) internal successors, (1861), 5 states have internal predecessors, (1861), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-12-02 10:24:44,377 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:24:44,377 INFO  L93              Difference]: Finished difference Result 16048 states and 24052 transitions.
[2024-12-02 10:24:44,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:24:44,378 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 372.2) internal successors, (1861), 5 states have internal predecessors, (1861), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1923
[2024-12-02 10:24:44,379 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:24:44,391 INFO  L225             Difference]: With dead ends: 16048
[2024-12-02 10:24:44,391 INFO  L226             Difference]: Without dead ends: 9091
[2024-12-02 10:24:44,397 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:24:44,398 INFO  L435           NwaCegarLoop]: 10657 mSDtfsCounter, 13190 mSDsluCounter, 10676 mSDsCounter, 0 mSdLazyCounter, 5944 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13195 SdHoareTripleChecker+Valid, 21333 SdHoareTripleChecker+Invalid, 5945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:24:44,398 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13195 Valid, 21333 Invalid, 5945 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5944 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time]
[2024-12-02 10:24:44,408 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-12-02 10:24:44,480 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-12-02 10:24:44,490 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.49834728955487) internal successors, (13599), 9076 states have internal predecessors, (13599), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:24:44,500 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13625 transitions.
[2024-12-02 10:24:44,500 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13625 transitions. Word has length 1923
[2024-12-02 10:24:44,502 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:24:44,502 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13625 transitions.
[2024-12-02 10:24:44,503 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 372.2) internal successors, (1861), 5 states have internal predecessors, (1861), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-12-02 10:24:44,503 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13625 transitions.
[2024-12-02 10:24:44,523 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1925
[2024-12-02 10:24:44,523 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:24:44,523 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:44,523 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 10:24:44,524 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:24:44,524 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:24:44,525 INFO  L85        PathProgramCache]: Analyzing trace with hash -1880823269, now seen corresponding path program 1 times
[2024-12-02 10:24:44,525 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:24:44,525 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093958163]
[2024-12-02 10:24:44,525 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:24:44,525 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:24:47,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:24:51,279 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:24:51,280 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:24:51,280 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093958163]
[2024-12-02 10:24:51,280 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093958163] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:24:51,280 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:24:51,280 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:24:51,280 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920051719]
[2024-12-02 10:24:51,280 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:24:51,282 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:24:51,282 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:24:51,284 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:24:51,284 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:24:51,285 INFO  L87              Difference]: Start difference. First operand 9091 states and 13625 transitions. Second operand  has 5 states, 5 states have (on average 372.4) internal successors, (1862), 5 states have internal predecessors, (1862), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-12-02 10:24:55,455 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:24:55,455 INFO  L93              Difference]: Finished difference Result 16048 states and 24050 transitions.
[2024-12-02 10:24:55,455 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:24:55,456 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 372.4) internal successors, (1862), 5 states have internal predecessors, (1862), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1924
[2024-12-02 10:24:55,457 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:24:55,468 INFO  L225             Difference]: With dead ends: 16048
[2024-12-02 10:24:55,468 INFO  L226             Difference]: Without dead ends: 9091
[2024-12-02 10:24:55,473 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:24:55,474 INFO  L435           NwaCegarLoop]: 10657 mSDtfsCounter, 24938 mSDsluCounter, 10659 mSDsCounter, 0 mSdLazyCounter, 5942 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24943 SdHoareTripleChecker+Valid, 21316 SdHoareTripleChecker+Invalid, 5943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:24:55,474 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [24943 Valid, 21316 Invalid, 5943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5942 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time]
[2024-12-02 10:24:55,484 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-12-02 10:24:55,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-12-02 10:24:55,562 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.498237108858528) internal successors, (13598), 9076 states have internal predecessors, (13598), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:24:55,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13624 transitions.
[2024-12-02 10:24:55,573 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13624 transitions. Word has length 1924
[2024-12-02 10:24:55,575 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:24:55,575 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13624 transitions.
[2024-12-02 10:24:55,575 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 372.4) internal successors, (1862), 5 states have internal predecessors, (1862), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-12-02 10:24:55,576 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13624 transitions.
[2024-12-02 10:24:55,595 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2024-12-02 10:24:55,595 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:24:55,596 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:55,596 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 10:24:55,596 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:24:55,597 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:24:55,598 INFO  L85        PathProgramCache]: Analyzing trace with hash -1357190814, now seen corresponding path program 1 times
[2024-12-02 10:24:55,598 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:24:55,598 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001500884]
[2024-12-02 10:24:55,598 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:24:55,598 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:24:59,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:25:02,585 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:25:02,585 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:25:02,585 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001500884]
[2024-12-02 10:25:02,585 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001500884] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:25:02,585 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:25:02,585 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:25:02,585 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491976093]
[2024-12-02 10:25:02,585 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:25:02,586 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:25:02,586 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:25:02,587 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:25:02,587 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:25:02,588 INFO  L87              Difference]: Start difference. First operand 9091 states and 13624 transitions. Second operand  has 4 states, 4 states have (on average 465.75) internal successors, (1863), 4 states have internal predecessors, (1863), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:02,733 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:25:02,733 INFO  L93              Difference]: Finished difference Result 16050 states and 24051 transitions.
[2024-12-02 10:25:02,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:25:02,735 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 465.75) internal successors, (1863), 4 states have internal predecessors, (1863), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1925
[2024-12-02 10:25:02,736 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:25:02,744 INFO  L225             Difference]: With dead ends: 16050
[2024-12-02 10:25:02,744 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:25:02,749 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 10:25:02,750 INFO  L435           NwaCegarLoop]: 13620 mSDtfsCounter, 0 mSDsluCounter, 27230 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40850 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:25:02,750 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40850 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 10:25:02,759 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:25:02,827 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:25:02,835 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4981273408239701) internal successors, (13600), 9078 states have internal predecessors, (13600), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:25:02,845 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13626 transitions.
[2024-12-02 10:25:02,845 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13626 transitions. Word has length 1925
[2024-12-02 10:25:02,847 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:25:02,847 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13626 transitions.
[2024-12-02 10:25:02,847 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 465.75) internal successors, (1863), 4 states have internal predecessors, (1863), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:02,847 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13626 transitions.
[2024-12-02 10:25:02,866 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1927
[2024-12-02 10:25:02,866 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:25:02,866 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:25:02,866 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 10:25:02,867 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:25:02,867 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:25:02,868 INFO  L85        PathProgramCache]: Analyzing trace with hash -221196256, now seen corresponding path program 1 times
[2024-12-02 10:25:02,868 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:25:02,868 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796168061]
[2024-12-02 10:25:02,868 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:25:02,868 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:25:06,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:25:11,543 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:25:11,543 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:25:11,544 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796168061]
[2024-12-02 10:25:11,544 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796168061] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:25:11,544 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:25:11,544 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:25:11,544 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097731049]
[2024-12-02 10:25:11,544 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:25:11,546 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:25:11,546 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:25:11,547 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:25:11,548 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:25:11,548 INFO  L87              Difference]: Start difference. First operand 9093 states and 13626 transitions. Second operand  has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:13,823 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:25:13,823 INFO  L93              Difference]: Finished difference Result 16052 states and 24052 transitions.
[2024-12-02 10:25:13,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:25:13,825 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1926
[2024-12-02 10:25:13,826 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:25:13,834 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:25:13,834 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:25:13,840 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:25:13,840 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 11981 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2626 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11981 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:25:13,840 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11981 Valid, 24630 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2626 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 10:25:13,851 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:25:13,939 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:25:13,948 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4980171844018506) internal successors, (13599), 9078 states have internal predecessors, (13599), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:25:13,963 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13625 transitions.
[2024-12-02 10:25:13,963 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13625 transitions. Word has length 1926
[2024-12-02 10:25:13,965 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:25:13,965 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13625 transitions.
[2024-12-02 10:25:13,965 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:13,966 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13625 transitions.
[2024-12-02 10:25:13,993 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1928
[2024-12-02 10:25:13,993 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:25:13,994 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:25:13,994 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 10:25:13,995 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:25:13,995 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:25:13,996 INFO  L85        PathProgramCache]: Analyzing trace with hash 854608299, now seen corresponding path program 1 times
[2024-12-02 10:25:13,996 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:25:13,996 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130461704]
[2024-12-02 10:25:13,996 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:25:13,996 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:25:17,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:25:20,391 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:25:20,391 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:25:20,391 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130461704]
[2024-12-02 10:25:20,391 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130461704] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:25:20,391 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:25:20,391 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:25:20,391 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030620476]
[2024-12-02 10:25:20,391 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:25:20,393 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:25:20,393 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:25:20,394 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:25:20,394 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:25:20,395 INFO  L87              Difference]: Start difference. First operand 9093 states and 13625 transitions. Second operand  has 5 states, 5 states have (on average 373.0) internal successors, (1865), 5 states have internal predecessors, (1865), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:22,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:25:22,000 INFO  L93              Difference]: Finished difference Result 16576 states and 24833 transitions.
[2024-12-02 10:25:22,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 10:25:22,001 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 373.0) internal successors, (1865), 5 states have internal predecessors, (1865), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1927
[2024-12-02 10:25:22,003 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:25:22,009 INFO  L225             Difference]: With dead ends: 16576
[2024-12-02 10:25:22,010 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:25:22,016 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 10:25:22,017 INFO  L435           NwaCegarLoop]: 13531 mSDtfsCounter, 13392 mSDsluCounter, 25859 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13392 SdHoareTripleChecker+Valid, 39390 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-12-02 10:25:22,017 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13392 Valid, 39390 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-12-02 10:25:22,028 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:25:22,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:25:22,109 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4979070279797313) internal successors, (13598), 9078 states have internal predecessors, (13598), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:25:22,118 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13624 transitions.
[2024-12-02 10:25:22,118 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13624 transitions. Word has length 1927
[2024-12-02 10:25:22,119 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:25:22,119 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13624 transitions.
[2024-12-02 10:25:22,120 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 373.0) internal successors, (1865), 5 states have internal predecessors, (1865), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:22,120 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13624 transitions.
[2024-12-02 10:25:22,138 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1929
[2024-12-02 10:25:22,138 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:25:22,138 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:25:22,139 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 10:25:22,139 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:25:22,139 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:25:22,140 INFO  L85        PathProgramCache]: Analyzing trace with hash 1534683956, now seen corresponding path program 1 times
[2024-12-02 10:25:22,140 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:25:22,140 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517975633]
[2024-12-02 10:25:22,140 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:25:22,140 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:25:26,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:25:30,619 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:25:30,620 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:25:30,620 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517975633]
[2024-12-02 10:25:30,620 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517975633] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:25:30,620 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:25:30,620 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:25:30,620 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197163687]
[2024-12-02 10:25:30,620 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:25:30,621 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:25:30,621 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:25:30,622 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:25:30,622 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:25:30,622 INFO  L87              Difference]: Start difference. First operand 9093 states and 13624 transitions. Second operand  has 5 states, 5 states have (on average 373.2) internal successors, (1866), 5 states have internal predecessors, (1866), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:32,786 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:25:32,786 INFO  L93              Difference]: Finished difference Result 16052 states and 24048 transitions.
[2024-12-02 10:25:32,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:25:32,788 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 373.2) internal successors, (1866), 5 states have internal predecessors, (1866), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1928
[2024-12-02 10:25:32,789 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:25:32,795 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:25:32,795 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:25:32,799 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:25:32,800 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13588 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13601 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:25:32,800 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13601 Valid, 24647 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2622 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:25:32,807 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:25:32,863 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:25:32,870 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4977968715576118) internal successors, (13597), 9078 states have internal predecessors, (13597), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:25:32,880 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13623 transitions.
[2024-12-02 10:25:32,880 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13623 transitions. Word has length 1928
[2024-12-02 10:25:32,881 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:25:32,881 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13623 transitions.
[2024-12-02 10:25:32,881 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 373.2) internal successors, (1866), 5 states have internal predecessors, (1866), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:32,881 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13623 transitions.
[2024-12-02 10:25:32,898 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1930
[2024-12-02 10:25:32,898 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:25:32,899 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:25:32,899 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 10:25:32,899 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:25:32,900 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:25:32,901 INFO  L85        PathProgramCache]: Analyzing trace with hash -1499239996, now seen corresponding path program 1 times
[2024-12-02 10:25:32,901 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:25:32,901 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395890629]
[2024-12-02 10:25:32,901 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:25:32,901 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:25:36,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:25:40,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:25:40,576 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:25:40,576 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395890629]
[2024-12-02 10:25:40,576 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395890629] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:25:40,576 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:25:40,576 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:25:40,576 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990464573]
[2024-12-02 10:25:40,576 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:25:40,577 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:25:40,577 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:25:40,578 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:25:40,578 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:25:40,579 INFO  L87              Difference]: Start difference. First operand 9093 states and 13623 transitions. Second operand  has 5 states, 5 states have (on average 373.4) internal successors, (1867), 5 states have internal predecessors, (1867), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:42,837 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:25:42,837 INFO  L93              Difference]: Finished difference Result 16052 states and 24046 transitions.
[2024-12-02 10:25:42,838 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:25:42,839 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 373.4) internal successors, (1867), 5 states have internal predecessors, (1867), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1929
[2024-12-02 10:25:42,840 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:25:42,847 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:25:42,847 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:25:42,853 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:25:42,853 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25896 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25909 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:25:42,853 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25909 Valid, 24630 Invalid, 2621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2620 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 10:25:42,862 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:25:42,923 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:25:42,931 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4976867151354925) internal successors, (13596), 9078 states have internal predecessors, (13596), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:25:42,941 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13622 transitions.
[2024-12-02 10:25:42,941 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13622 transitions. Word has length 1929
[2024-12-02 10:25:42,942 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:25:42,942 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13622 transitions.
[2024-12-02 10:25:42,943 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 373.4) internal successors, (1867), 5 states have internal predecessors, (1867), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:42,943 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13622 transitions.
[2024-12-02 10:25:42,962 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1931
[2024-12-02 10:25:42,962 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:25:42,963 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:25:42,963 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 10:25:42,964 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:25:42,964 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:25:42,965 INFO  L85        PathProgramCache]: Analyzing trace with hash 1912182381, now seen corresponding path program 1 times
[2024-12-02 10:25:42,965 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:25:42,965 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769541163]
[2024-12-02 10:25:42,965 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:25:42,966 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:25:46,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:25:48,718 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:25:48,718 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:25:48,718 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769541163]
[2024-12-02 10:25:48,719 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769541163] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:25:48,719 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:25:48,719 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:25:48,719 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534133554]
[2024-12-02 10:25:48,719 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:25:48,720 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:25:48,720 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:25:48,721 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:25:48,721 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:25:48,721 INFO  L87              Difference]: Start difference. First operand 9093 states and 13622 transitions. Second operand  has 5 states, 5 states have (on average 373.6) internal successors, (1868), 5 states have internal predecessors, (1868), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:51,067 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:25:51,067 INFO  L93              Difference]: Finished difference Result 16052 states and 24044 transitions.
[2024-12-02 10:25:51,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:25:51,068 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 373.6) internal successors, (1868), 5 states have internal predecessors, (1868), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1930
[2024-12-02 10:25:51,069 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:25:51,075 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:25:51,075 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:25:51,080 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:25:51,081 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13580 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2618 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13593 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:25:51,081 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13593 Valid, 24647 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2618 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 10:25:51,091 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:25:51,172 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:25:51,179 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.497576558713373) internal successors, (13595), 9078 states have internal predecessors, (13595), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:25:51,188 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13621 transitions.
[2024-12-02 10:25:51,188 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13621 transitions. Word has length 1930
[2024-12-02 10:25:51,189 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:25:51,189 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13621 transitions.
[2024-12-02 10:25:51,189 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 373.6) internal successors, (1868), 5 states have internal predecessors, (1868), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:51,189 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13621 transitions.
[2024-12-02 10:25:51,206 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1932
[2024-12-02 10:25:51,206 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:25:51,207 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:25:51,207 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 10:25:51,207 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:25:51,208 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:25:51,208 INFO  L85        PathProgramCache]: Analyzing trace with hash 389042781, now seen corresponding path program 1 times
[2024-12-02 10:25:51,208 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:25:51,208 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691460537]
[2024-12-02 10:25:51,209 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:25:51,209 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:25:54,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:25:57,086 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:25:57,087 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:25:57,087 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691460537]
[2024-12-02 10:25:57,087 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691460537] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:25:57,087 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:25:57,087 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:25:57,087 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525311621]
[2024-12-02 10:25:57,087 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:25:57,088 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:25:57,088 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:25:57,089 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:25:57,089 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:25:57,089 INFO  L87              Difference]: Start difference. First operand 9093 states and 13621 transitions. Second operand  has 5 states, 5 states have (on average 373.8) internal successors, (1869), 5 states have internal predecessors, (1869), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:59,137 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:25:59,137 INFO  L93              Difference]: Finished difference Result 16052 states and 24042 transitions.
[2024-12-02 10:25:59,138 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:25:59,139 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 373.8) internal successors, (1869), 5 states have internal predecessors, (1869), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1931
[2024-12-02 10:25:59,140 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:25:59,147 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:25:59,147 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:25:59,152 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:25:59,153 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13576 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2616 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13589 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:25:59,153 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13589 Valid, 24647 Invalid, 2617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2616 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:25:59,161 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:25:59,227 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:25:59,235 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4974664022912536) internal successors, (13594), 9078 states have internal predecessors, (13594), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:25:59,250 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13620 transitions.
[2024-12-02 10:25:59,250 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13620 transitions. Word has length 1931
[2024-12-02 10:25:59,252 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:25:59,252 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13620 transitions.
[2024-12-02 10:25:59,253 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 373.8) internal successors, (1869), 5 states have internal predecessors, (1869), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:25:59,253 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13620 transitions.
[2024-12-02 10:25:59,276 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1933
[2024-12-02 10:25:59,276 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:25:59,277 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:25:59,277 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 10:25:59,278 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:25:59,278 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:25:59,279 INFO  L85        PathProgramCache]: Analyzing trace with hash 286847526, now seen corresponding path program 1 times
[2024-12-02 10:25:59,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:25:59,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615098291]
[2024-12-02 10:25:59,279 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:25:59,279 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:26:03,005 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:26:05,642 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:26:05,642 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:26:05,642 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615098291]
[2024-12-02 10:26:05,642 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615098291] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:26:05,642 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:26:05,642 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:26:05,642 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350134507]
[2024-12-02 10:26:05,642 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:26:05,643 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:26:05,644 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:26:05,645 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:26:05,645 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:26:05,645 INFO  L87              Difference]: Start difference. First operand 9093 states and 13620 transitions. Second operand  has 5 states, 5 states have (on average 374.0) internal successors, (1870), 5 states have internal predecessors, (1870), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:07,855 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:26:07,856 INFO  L93              Difference]: Finished difference Result 16052 states and 24040 transitions.
[2024-12-02 10:26:07,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:26:07,857 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 374.0) internal successors, (1870), 5 states have internal predecessors, (1870), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1932
[2024-12-02 10:26:07,858 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:26:07,865 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:26:07,865 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:26:07,870 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:26:07,870 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13572 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2614 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13585 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:26:07,870 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13585 Valid, 24647 Invalid, 2615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2614 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:26:07,878 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:26:07,935 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:26:07,943 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.497356245869134) internal successors, (13593), 9078 states have internal predecessors, (13593), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:26:07,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13619 transitions.
[2024-12-02 10:26:07,952 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13619 transitions. Word has length 1932
[2024-12-02 10:26:07,953 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:26:07,953 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13619 transitions.
[2024-12-02 10:26:07,953 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 374.0) internal successors, (1870), 5 states have internal predecessors, (1870), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:07,954 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13619 transitions.
[2024-12-02 10:26:08,027 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1934
[2024-12-02 10:26:08,028 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:26:08,028 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:26:08,028 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 10:26:08,029 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:26:08,031 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:26:08,031 INFO  L85        PathProgramCache]: Analyzing trace with hash 774521718, now seen corresponding path program 1 times
[2024-12-02 10:26:08,031 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:26:08,031 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37033538]
[2024-12-02 10:26:08,032 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:26:08,032 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:26:11,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:26:14,735 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:26:14,735 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:26:14,735 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37033538]
[2024-12-02 10:26:14,735 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37033538] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:26:14,735 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:26:14,735 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:26:14,735 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65402315]
[2024-12-02 10:26:14,735 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:26:14,737 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:26:14,737 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:26:14,738 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:26:14,738 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:26:14,739 INFO  L87              Difference]: Start difference. First operand 9093 states and 13619 transitions. Second operand  has 5 states, 5 states have (on average 374.2) internal successors, (1871), 5 states have internal predecessors, (1871), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:17,074 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:26:17,074 INFO  L93              Difference]: Finished difference Result 16052 states and 24038 transitions.
[2024-12-02 10:26:17,075 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:26:17,075 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 374.2) internal successors, (1871), 5 states have internal predecessors, (1871), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1933
[2024-12-02 10:26:17,077 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:26:17,085 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:26:17,085 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:26:17,090 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:26:17,091 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25864 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2612 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25877 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:26:17,091 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25877 Valid, 24630 Invalid, 2613 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2612 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 10:26:17,103 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:26:17,185 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:26:17,193 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4972460894470148) internal successors, (13592), 9078 states have internal predecessors, (13592), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:26:17,206 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13618 transitions.
[2024-12-02 10:26:17,207 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13618 transitions. Word has length 1933
[2024-12-02 10:26:17,208 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:26:17,208 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13618 transitions.
[2024-12-02 10:26:17,208 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 374.2) internal successors, (1871), 5 states have internal predecessors, (1871), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:17,208 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13618 transitions.
[2024-12-02 10:26:17,249 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1935
[2024-12-02 10:26:17,249 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:26:17,250 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:26:17,250 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 10:26:17,250 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:26:17,251 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:26:17,251 INFO  L85        PathProgramCache]: Analyzing trace with hash -1475821985, now seen corresponding path program 1 times
[2024-12-02 10:26:17,251 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:26:17,251 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971285569]
[2024-12-02 10:26:17,251 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:26:17,251 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:26:20,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:26:23,334 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:26:23,334 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:26:23,334 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971285569]
[2024-12-02 10:26:23,334 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971285569] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:26:23,334 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:26:23,334 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:26:23,334 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874751319]
[2024-12-02 10:26:23,335 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:26:23,335 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:26:23,335 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:26:23,336 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:26:23,336 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:26:23,337 INFO  L87              Difference]: Start difference. First operand 9093 states and 13618 transitions. Second operand  has 5 states, 5 states have (on average 374.4) internal successors, (1872), 5 states have internal predecessors, (1872), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:25,461 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:26:25,461 INFO  L93              Difference]: Finished difference Result 16052 states and 24036 transitions.
[2024-12-02 10:26:25,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:26:25,462 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 374.4) internal successors, (1872), 5 states have internal predecessors, (1872), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1934
[2024-12-02 10:26:25,463 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:26:25,470 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:26:25,470 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:26:25,475 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:26:25,476 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13564 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2610 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13577 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:26:25,476 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13577 Valid, 24647 Invalid, 2611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2610 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:26:25,484 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:26:25,543 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:26:25,550 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4971359330248954) internal successors, (13591), 9078 states have internal predecessors, (13591), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:26:25,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13617 transitions.
[2024-12-02 10:26:25,560 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13617 transitions. Word has length 1934
[2024-12-02 10:26:25,561 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:26:25,561 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13617 transitions.
[2024-12-02 10:26:25,562 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 374.4) internal successors, (1872), 5 states have internal predecessors, (1872), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:25,562 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13617 transitions.
[2024-12-02 10:26:25,580 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1936
[2024-12-02 10:26:25,580 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:26:25,580 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:26:25,580 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 10:26:25,580 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:26:25,581 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:26:25,582 INFO  L85        PathProgramCache]: Analyzing trace with hash 906263823, now seen corresponding path program 1 times
[2024-12-02 10:26:25,582 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:26:25,582 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212770067]
[2024-12-02 10:26:25,582 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:26:25,582 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:26:29,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:26:32,082 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:26:32,082 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:26:32,082 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212770067]
[2024-12-02 10:26:32,082 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212770067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:26:32,082 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:26:32,082 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:26:32,082 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629144902]
[2024-12-02 10:26:32,082 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:26:32,083 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:26:32,083 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:26:32,084 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:26:32,084 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:26:32,084 INFO  L87              Difference]: Start difference. First operand 9093 states and 13617 transitions. Second operand  has 5 states, 5 states have (on average 374.6) internal successors, (1873), 5 states have internal predecessors, (1873), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:34,269 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:26:34,269 INFO  L93              Difference]: Finished difference Result 16052 states and 24034 transitions.
[2024-12-02 10:26:34,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:26:34,270 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 374.6) internal successors, (1873), 5 states have internal predecessors, (1873), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1935
[2024-12-02 10:26:34,272 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:26:34,278 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:26:34,278 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:26:34,283 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:26:34,283 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25848 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2608 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25861 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:26:34,283 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25861 Valid, 24630 Invalid, 2609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2608 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:26:34,291 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:26:34,345 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:26:34,353 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.497025776602776) internal successors, (13590), 9078 states have internal predecessors, (13590), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:26:34,362 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13616 transitions.
[2024-12-02 10:26:34,362 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13616 transitions. Word has length 1935
[2024-12-02 10:26:34,363 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:26:34,363 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13616 transitions.
[2024-12-02 10:26:34,363 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 374.6) internal successors, (1873), 5 states have internal predecessors, (1873), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:34,364 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13616 transitions.
[2024-12-02 10:26:34,380 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1937
[2024-12-02 10:26:34,380 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:26:34,381 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:26:34,381 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 10:26:34,381 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:26:34,381 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:26:34,382 INFO  L85        PathProgramCache]: Analyzing trace with hash -1017496808, now seen corresponding path program 1 times
[2024-12-02 10:26:34,382 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:26:34,382 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803233705]
[2024-12-02 10:26:34,382 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:26:34,382 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:26:38,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:26:41,033 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:26:41,033 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:26:41,033 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803233705]
[2024-12-02 10:26:41,033 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803233705] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:26:41,033 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:26:41,033 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:26:41,034 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079558085]
[2024-12-02 10:26:41,034 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:26:41,035 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:26:41,035 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:26:41,036 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:26:41,036 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:26:41,036 INFO  L87              Difference]: Start difference. First operand 9093 states and 13616 transitions. Second operand  has 5 states, 5 states have (on average 374.8) internal successors, (1874), 5 states have internal predecessors, (1874), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:43,092 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:26:43,092 INFO  L93              Difference]: Finished difference Result 16052 states and 24032 transitions.
[2024-12-02 10:26:43,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:26:43,094 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 374.8) internal successors, (1874), 5 states have internal predecessors, (1874), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1936
[2024-12-02 10:26:43,095 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:26:43,101 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:26:43,101 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:26:43,106 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:26:43,107 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13556 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2606 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13569 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:26:43,107 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13569 Valid, 24647 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2606 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:26:43,115 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:26:43,177 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:26:43,184 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4969156201806566) internal successors, (13589), 9078 states have internal predecessors, (13589), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:26:43,193 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13615 transitions.
[2024-12-02 10:26:43,193 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13615 transitions. Word has length 1936
[2024-12-02 10:26:43,194 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:26:43,194 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13615 transitions.
[2024-12-02 10:26:43,194 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 374.8) internal successors, (1874), 5 states have internal predecessors, (1874), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:43,194 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13615 transitions.
[2024-12-02 10:26:43,211 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1938
[2024-12-02 10:26:43,211 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:26:43,211 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:26:43,211 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 10:26:43,212 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:26:43,212 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:26:43,212 INFO  L85        PathProgramCache]: Analyzing trace with hash 974274344, now seen corresponding path program 1 times
[2024-12-02 10:26:43,212 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:26:43,213 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746018691]
[2024-12-02 10:26:43,213 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:26:43,213 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:26:46,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:26:49,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:26:49,215 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:26:49,215 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746018691]
[2024-12-02 10:26:49,215 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746018691] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:26:49,215 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:26:49,215 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:26:49,215 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117655411]
[2024-12-02 10:26:49,215 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:26:49,216 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:26:49,216 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:26:49,217 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:26:49,217 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:26:49,217 INFO  L87              Difference]: Start difference. First operand 9093 states and 13615 transitions. Second operand  has 5 states, 5 states have (on average 375.0) internal successors, (1875), 5 states have internal predecessors, (1875), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:51,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:26:51,314 INFO  L93              Difference]: Finished difference Result 16052 states and 24030 transitions.
[2024-12-02 10:26:51,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:26:51,315 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 375.0) internal successors, (1875), 5 states have internal predecessors, (1875), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1937
[2024-12-02 10:26:51,316 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:26:51,323 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:26:51,323 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:26:51,328 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:26:51,328 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25832 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2604 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25845 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:26:51,329 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25845 Valid, 24630 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2604 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:26:51,336 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:26:51,396 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:26:51,404 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.496805463758537) internal successors, (13588), 9078 states have internal predecessors, (13588), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:26:51,414 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13614 transitions.
[2024-12-02 10:26:51,414 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13614 transitions. Word has length 1937
[2024-12-02 10:26:51,415 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:26:51,415 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13614 transitions.
[2024-12-02 10:26:51,416 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 375.0) internal successors, (1875), 5 states have internal predecessors, (1875), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:51,416 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13614 transitions.
[2024-12-02 10:26:51,434 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1939
[2024-12-02 10:26:51,434 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:26:51,434 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:26:51,435 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 10:26:51,435 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:26:51,435 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:26:51,436 INFO  L85        PathProgramCache]: Analyzing trace with hash 218015825, now seen corresponding path program 1 times
[2024-12-02 10:26:51,436 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:26:51,436 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134812908]
[2024-12-02 10:26:51,436 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:26:51,436 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:26:54,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:26:57,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:26:57,355 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:26:57,355 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134812908]
[2024-12-02 10:26:57,355 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134812908] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:26:57,355 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:26:57,355 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:26:57,355 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809276811]
[2024-12-02 10:26:57,355 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:26:57,356 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:26:57,356 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:26:57,357 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:26:57,358 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:26:57,358 INFO  L87              Difference]: Start difference. First operand 9093 states and 13614 transitions. Second operand  has 5 states, 5 states have (on average 375.2) internal successors, (1876), 5 states have internal predecessors, (1876), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:59,505 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:26:59,505 INFO  L93              Difference]: Finished difference Result 16052 states and 24028 transitions.
[2024-12-02 10:26:59,506 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:26:59,507 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 375.2) internal successors, (1876), 5 states have internal predecessors, (1876), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1938
[2024-12-02 10:26:59,508 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:26:59,514 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:26:59,514 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:26:59,520 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:26:59,520 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13548 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13561 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:26:59,520 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13561 Valid, 24647 Invalid, 2603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2602 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:26:59,529 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:26:59,591 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:26:59,598 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4966953073364178) internal successors, (13587), 9078 states have internal predecessors, (13587), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:26:59,608 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13613 transitions.
[2024-12-02 10:26:59,608 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13613 transitions. Word has length 1938
[2024-12-02 10:26:59,609 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:26:59,609 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13613 transitions.
[2024-12-02 10:26:59,609 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 375.2) internal successors, (1876), 5 states have internal predecessors, (1876), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:26:59,609 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13613 transitions.
[2024-12-02 10:26:59,627 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1940
[2024-12-02 10:26:59,627 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:26:59,628 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:26:59,628 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 10:26:59,628 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:26:59,628 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:26:59,629 INFO  L85        PathProgramCache]: Analyzing trace with hash 646367681, now seen corresponding path program 1 times
[2024-12-02 10:26:59,629 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:26:59,629 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874281768]
[2024-12-02 10:26:59,629 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:26:59,629 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:27:03,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:27:06,069 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:27:06,069 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:27:06,070 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874281768]
[2024-12-02 10:27:06,070 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874281768] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:27:06,070 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:27:06,070 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:27:06,070 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91237456]
[2024-12-02 10:27:06,070 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:27:06,071 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:27:06,071 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:27:06,072 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:27:06,073 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:27:06,073 INFO  L87              Difference]: Start difference. First operand 9093 states and 13613 transitions. Second operand  has 5 states, 5 states have (on average 375.4) internal successors, (1877), 5 states have internal predecessors, (1877), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:08,181 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:27:08,181 INFO  L93              Difference]: Finished difference Result 16052 states and 24026 transitions.
[2024-12-02 10:27:08,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:27:08,183 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 375.4) internal successors, (1877), 5 states have internal predecessors, (1877), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1939
[2024-12-02 10:27:08,184 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:27:08,191 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:27:08,191 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:27:08,196 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:27:08,196 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25816 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25829 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:27:08,197 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25829 Valid, 24630 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2600 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:27:08,204 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:27:08,264 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:27:08,271 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4965851509142982) internal successors, (13586), 9078 states have internal predecessors, (13586), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:27:08,281 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13612 transitions.
[2024-12-02 10:27:08,281 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13612 transitions. Word has length 1939
[2024-12-02 10:27:08,282 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:27:08,282 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13612 transitions.
[2024-12-02 10:27:08,283 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 375.4) internal successors, (1877), 5 states have internal predecessors, (1877), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:08,283 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13612 transitions.
[2024-12-02 10:27:08,301 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1941
[2024-12-02 10:27:08,301 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:27:08,301 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:27:08,301 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 10:27:08,302 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:27:08,302 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:27:08,303 INFO  L85        PathProgramCache]: Analyzing trace with hash 1279739402, now seen corresponding path program 1 times
[2024-12-02 10:27:08,303 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:27:08,303 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205007935]
[2024-12-02 10:27:08,303 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:27:08,304 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:27:12,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:27:14,798 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:27:14,798 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:27:14,798 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205007935]
[2024-12-02 10:27:14,798 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205007935] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:27:14,798 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:27:14,798 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:27:14,798 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487182408]
[2024-12-02 10:27:14,798 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:27:14,799 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:27:14,799 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:27:14,800 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:27:14,800 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:27:14,801 INFO  L87              Difference]: Start difference. First operand 9093 states and 13612 transitions. Second operand  has 5 states, 5 states have (on average 375.6) internal successors, (1878), 5 states have internal predecessors, (1878), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:17,010 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:27:17,010 INFO  L93              Difference]: Finished difference Result 16052 states and 24024 transitions.
[2024-12-02 10:27:17,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:27:17,011 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 375.6) internal successors, (1878), 5 states have internal predecessors, (1878), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1940
[2024-12-02 10:27:17,012 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:27:17,019 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:27:17,019 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:27:17,024 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:27:17,026 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13540 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2598 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13553 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:27:17,026 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13553 Valid, 24647 Invalid, 2599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2598 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:27:17,035 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:27:17,104 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:27:17,113 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.496474994492179) internal successors, (13585), 9078 states have internal predecessors, (13585), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:27:17,126 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13611 transitions.
[2024-12-02 10:27:17,126 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13611 transitions. Word has length 1940
[2024-12-02 10:27:17,127 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:27:17,127 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13611 transitions.
[2024-12-02 10:27:17,128 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 375.6) internal successors, (1878), 5 states have internal predecessors, (1878), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:17,128 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13611 transitions.
[2024-12-02 10:27:17,151 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1942
[2024-12-02 10:27:17,151 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:27:17,151 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:27:17,152 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 10:27:17,152 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:27:17,152 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:27:17,153 INFO  L85        PathProgramCache]: Analyzing trace with hash -394961702, now seen corresponding path program 1 times
[2024-12-02 10:27:17,153 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:27:17,153 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445918809]
[2024-12-02 10:27:17,153 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:27:17,153 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:27:20,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:27:23,492 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:27:23,492 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:27:23,492 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445918809]
[2024-12-02 10:27:23,492 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445918809] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:27:23,492 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:27:23,492 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:27:23,492 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991729349]
[2024-12-02 10:27:23,492 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:27:23,493 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:27:23,493 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:27:23,494 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:27:23,494 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:27:23,494 INFO  L87              Difference]: Start difference. First operand 9093 states and 13611 transitions. Second operand  has 5 states, 5 states have (on average 375.8) internal successors, (1879), 5 states have internal predecessors, (1879), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:25,719 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:27:25,720 INFO  L93              Difference]: Finished difference Result 16052 states and 24022 transitions.
[2024-12-02 10:27:25,721 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:27:25,721 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 375.8) internal successors, (1879), 5 states have internal predecessors, (1879), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1941
[2024-12-02 10:27:25,722 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:27:25,730 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:27:25,730 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:27:25,735 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:27:25,736 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25800 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2596 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25813 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:27:25,736 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25813 Valid, 24630 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2596 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 10:27:25,745 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:27:25,809 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:27:25,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4963648380700594) internal successors, (13584), 9078 states have internal predecessors, (13584), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:27:25,827 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13610 transitions.
[2024-12-02 10:27:25,827 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13610 transitions. Word has length 1941
[2024-12-02 10:27:25,828 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:27:25,828 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13610 transitions.
[2024-12-02 10:27:25,828 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 375.8) internal successors, (1879), 5 states have internal predecessors, (1879), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:25,828 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13610 transitions.
[2024-12-02 10:27:25,848 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1943
[2024-12-02 10:27:25,848 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:27:25,848 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:27:25,849 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 10:27:25,849 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:27:25,849 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:27:25,850 INFO  L85        PathProgramCache]: Analyzing trace with hash 1709528131, now seen corresponding path program 1 times
[2024-12-02 10:27:25,850 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:27:25,850 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476948244]
[2024-12-02 10:27:25,850 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:27:25,850 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:27:29,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:27:31,968 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:27:31,968 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:27:31,968 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476948244]
[2024-12-02 10:27:31,968 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476948244] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:27:31,968 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:27:31,968 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:27:31,968 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022463677]
[2024-12-02 10:27:31,968 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:27:31,970 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:27:31,970 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:27:31,971 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:27:31,971 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:27:31,971 INFO  L87              Difference]: Start difference. First operand 9093 states and 13610 transitions. Second operand  has 5 states, 5 states have (on average 376.0) internal successors, (1880), 5 states have internal predecessors, (1880), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:34,174 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:27:34,174 INFO  L93              Difference]: Finished difference Result 16052 states and 24020 transitions.
[2024-12-02 10:27:34,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:27:34,176 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 376.0) internal successors, (1880), 5 states have internal predecessors, (1880), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1942
[2024-12-02 10:27:34,177 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:27:34,184 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:27:34,184 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:27:34,189 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:27:34,189 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13532 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2594 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13545 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:27:34,190 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13545 Valid, 24647 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2594 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:27:34,198 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:27:34,258 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:27:34,265 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.49625468164794) internal successors, (13583), 9078 states have internal predecessors, (13583), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:27:34,274 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13609 transitions.
[2024-12-02 10:27:34,275 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13609 transitions. Word has length 1942
[2024-12-02 10:27:34,276 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:27:34,276 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13609 transitions.
[2024-12-02 10:27:34,276 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 376.0) internal successors, (1880), 5 states have internal predecessors, (1880), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:34,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13609 transitions.
[2024-12-02 10:27:34,294 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1944
[2024-12-02 10:27:34,294 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:27:34,294 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:27:34,295 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 10:27:34,295 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:27:34,295 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:27:34,296 INFO  L85        PathProgramCache]: Analyzing trace with hash -1915668365, now seen corresponding path program 1 times
[2024-12-02 10:27:34,296 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:27:34,296 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109543744]
[2024-12-02 10:27:34,296 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:27:34,296 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:27:38,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:27:41,802 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:27:41,802 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:27:41,802 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109543744]
[2024-12-02 10:27:41,802 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109543744] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:27:41,802 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:27:41,802 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:27:41,802 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91992509]
[2024-12-02 10:27:41,802 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:27:41,803 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:27:41,803 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:27:41,804 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:27:41,804 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:27:41,804 INFO  L87              Difference]: Start difference. First operand 9093 states and 13609 transitions. Second operand  has 5 states, 5 states have (on average 376.2) internal successors, (1881), 5 states have internal predecessors, (1881), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:43,658 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:27:43,658 INFO  L93              Difference]: Finished difference Result 16052 states and 24018 transitions.
[2024-12-02 10:27:43,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:27:43,660 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 376.2) internal successors, (1881), 5 states have internal predecessors, (1881), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1943
[2024-12-02 10:27:43,661 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:27:43,668 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:27:43,668 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:27:43,673 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:27:43,673 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13528 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2592 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13541 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-12-02 10:27:43,673 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13541 Valid, 24647 Invalid, 2593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2592 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-12-02 10:27:43,680 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:27:43,735 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:27:43,742 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4961445252258208) internal successors, (13582), 9078 states have internal predecessors, (13582), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:27:43,752 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13608 transitions.
[2024-12-02 10:27:43,752 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13608 transitions. Word has length 1943
[2024-12-02 10:27:43,753 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:27:43,753 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13608 transitions.
[2024-12-02 10:27:43,753 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 376.2) internal successors, (1881), 5 states have internal predecessors, (1881), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:43,753 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13608 transitions.
[2024-12-02 10:27:43,770 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1945
[2024-12-02 10:27:43,770 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:27:43,771 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:27:43,771 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-12-02 10:27:43,771 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:27:43,772 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:27:43,772 INFO  L85        PathProgramCache]: Analyzing trace with hash 1542066940, now seen corresponding path program 1 times
[2024-12-02 10:27:43,772 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:27:43,772 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844915429]
[2024-12-02 10:27:43,772 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:27:43,772 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:27:47,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:27:50,383 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:27:50,383 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:27:50,383 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844915429]
[2024-12-02 10:27:50,383 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844915429] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:27:50,383 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:27:50,383 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:27:50,384 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525490299]
[2024-12-02 10:27:50,384 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:27:50,386 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:27:50,386 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:27:50,387 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:27:50,388 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:27:50,388 INFO  L87              Difference]: Start difference. First operand 9093 states and 13608 transitions. Second operand  has 5 states, 5 states have (on average 376.4) internal successors, (1882), 5 states have internal predecessors, (1882), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:52,626 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:27:52,626 INFO  L93              Difference]: Finished difference Result 16052 states and 24016 transitions.
[2024-12-02 10:27:52,627 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:27:52,627 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 376.4) internal successors, (1882), 5 states have internal predecessors, (1882), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1944
[2024-12-02 10:27:52,628 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:27:52,634 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:27:52,634 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:27:52,639 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:27:52,639 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13524 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2590 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13537 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:27:52,640 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13537 Valid, 24647 Invalid, 2591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2590 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 10:27:52,648 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:27:52,706 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:27:52,713 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4960343688037012) internal successors, (13581), 9078 states have internal predecessors, (13581), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:27:52,722 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13607 transitions.
[2024-12-02 10:27:52,723 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13607 transitions. Word has length 1944
[2024-12-02 10:27:52,723 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:27:52,723 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13607 transitions.
[2024-12-02 10:27:52,724 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 376.4) internal successors, (1882), 5 states have internal predecessors, (1882), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:27:52,724 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13607 transitions.
[2024-12-02 10:27:52,741 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1946
[2024-12-02 10:27:52,741 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:27:52,741 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:27:52,741 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-02 10:27:52,741 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:27:52,742 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:27:52,743 INFO  L85        PathProgramCache]: Analyzing trace with hash 1701682316, now seen corresponding path program 1 times
[2024-12-02 10:27:52,743 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:27:52,743 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759641991]
[2024-12-02 10:27:52,743 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:27:52,743 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:27:55,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:27:58,410 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:27:58,410 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:27:58,410 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759641991]
[2024-12-02 10:27:58,410 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759641991] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:27:58,410 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:27:58,411 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:27:58,411 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420804942]
[2024-12-02 10:27:58,411 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:27:58,412 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:27:58,412 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:27:58,414 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:27:58,414 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:27:58,414 INFO  L87              Difference]: Start difference. First operand 9093 states and 13607 transitions. Second operand  has 5 states, 5 states have (on average 376.6) internal successors, (1883), 5 states have internal predecessors, (1883), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:00,581 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:28:00,581 INFO  L93              Difference]: Finished difference Result 16052 states and 24014 transitions.
[2024-12-02 10:28:00,582 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:28:00,582 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 376.6) internal successors, (1883), 5 states have internal predecessors, (1883), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1945
[2024-12-02 10:28:00,583 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:28:00,590 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:28:00,590 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:28:00,596 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:28:00,597 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13520 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2588 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13533 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:28:00,597 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13533 Valid, 24647 Invalid, 2589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2588 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:28:00,607 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:28:00,665 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:28:00,672 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.495924212381582) internal successors, (13580), 9078 states have internal predecessors, (13580), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:28:00,681 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13606 transitions.
[2024-12-02 10:28:00,682 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13606 transitions. Word has length 1945
[2024-12-02 10:28:00,683 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:28:00,683 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13606 transitions.
[2024-12-02 10:28:00,684 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 376.6) internal successors, (1883), 5 states have internal predecessors, (1883), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:00,684 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13606 transitions.
[2024-12-02 10:28:00,700 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1947
[2024-12-02 10:28:00,700 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:28:00,701 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:28:00,701 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-12-02 10:28:00,701 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:28:00,701 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:28:00,702 INFO  L85        PathProgramCache]: Analyzing trace with hash 1304871477, now seen corresponding path program 1 times
[2024-12-02 10:28:00,702 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:28:00,702 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052105554]
[2024-12-02 10:28:00,702 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:28:00,702 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:28:04,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:28:07,172 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:28:07,172 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:28:07,172 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052105554]
[2024-12-02 10:28:07,172 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052105554] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:28:07,172 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:28:07,173 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:28:07,173 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650314625]
[2024-12-02 10:28:07,173 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:28:07,174 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:28:07,174 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:28:07,176 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:28:07,176 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:28:07,176 INFO  L87              Difference]: Start difference. First operand 9093 states and 13606 transitions. Second operand  has 5 states, 5 states have (on average 376.8) internal successors, (1884), 5 states have internal predecessors, (1884), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:09,386 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:28:09,386 INFO  L93              Difference]: Finished difference Result 16052 states and 24012 transitions.
[2024-12-02 10:28:09,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:28:09,387 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 376.8) internal successors, (1884), 5 states have internal predecessors, (1884), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1946
[2024-12-02 10:28:09,388 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:28:09,394 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:28:09,394 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:28:09,399 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:28:09,399 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13516 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13529 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:28:09,399 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13529 Valid, 24647 Invalid, 2587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:28:09,407 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:28:09,467 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:28:09,474 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4958140559594624) internal successors, (13579), 9078 states have internal predecessors, (13579), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:28:09,484 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13605 transitions.
[2024-12-02 10:28:09,484 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13605 transitions. Word has length 1946
[2024-12-02 10:28:09,485 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:28:09,485 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13605 transitions.
[2024-12-02 10:28:09,485 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 376.8) internal successors, (1884), 5 states have internal predecessors, (1884), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:09,486 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13605 transitions.
[2024-12-02 10:28:09,503 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1948
[2024-12-02 10:28:09,503 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:28:09,504 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:28:09,504 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-02 10:28:09,504 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:28:09,504 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:28:09,505 INFO  L85        PathProgramCache]: Analyzing trace with hash 519948581, now seen corresponding path program 1 times
[2024-12-02 10:28:09,505 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:28:09,505 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495406638]
[2024-12-02 10:28:09,505 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:28:09,505 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:28:13,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:28:16,088 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:28:16,088 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:28:16,088 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495406638]
[2024-12-02 10:28:16,088 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495406638] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:28:16,088 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:28:16,089 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:28:16,089 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584512853]
[2024-12-02 10:28:16,089 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:28:16,090 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:28:16,090 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:28:16,091 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:28:16,091 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:28:16,091 INFO  L87              Difference]: Start difference. First operand 9093 states and 13605 transitions. Second operand  has 5 states, 5 states have (on average 377.0) internal successors, (1885), 5 states have internal predecessors, (1885), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:18,240 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:28:18,240 INFO  L93              Difference]: Finished difference Result 16052 states and 24010 transitions.
[2024-12-02 10:28:18,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:28:18,241 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 377.0) internal successors, (1885), 5 states have internal predecessors, (1885), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1947
[2024-12-02 10:28:18,242 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:28:18,249 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:28:18,249 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:28:18,254 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:28:18,255 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13512 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2584 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13525 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:28:18,255 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13525 Valid, 24647 Invalid, 2585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2584 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:28:18,263 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:28:18,321 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:28:18,328 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.495703899537343) internal successors, (13578), 9078 states have internal predecessors, (13578), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:28:18,337 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13604 transitions.
[2024-12-02 10:28:18,338 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13604 transitions. Word has length 1947
[2024-12-02 10:28:18,338 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:28:18,339 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13604 transitions.
[2024-12-02 10:28:18,339 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 377.0) internal successors, (1885), 5 states have internal predecessors, (1885), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:18,339 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13604 transitions.
[2024-12-02 10:28:18,355 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1949
[2024-12-02 10:28:18,356 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:28:18,356 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:18,356 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-12-02 10:28:18,356 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:28:18,357 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:28:18,357 INFO  L85        PathProgramCache]: Analyzing trace with hash 2018288110, now seen corresponding path program 1 times
[2024-12-02 10:28:18,357 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:28:18,357 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684983416]
[2024-12-02 10:28:18,357 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:28:18,358 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:28:21,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:28:24,377 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:28:24,377 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:28:24,377 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684983416]
[2024-12-02 10:28:24,377 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684983416] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:28:24,377 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:28:24,378 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:28:24,378 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280262708]
[2024-12-02 10:28:24,378 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:28:24,379 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:28:24,379 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:28:24,381 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:28:24,381 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:28:24,381 INFO  L87              Difference]: Start difference. First operand 9093 states and 13604 transitions. Second operand  has 5 states, 5 states have (on average 377.2) internal successors, (1886), 5 states have internal predecessors, (1886), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:26,503 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:28:26,503 INFO  L93              Difference]: Finished difference Result 16052 states and 24008 transitions.
[2024-12-02 10:28:26,504 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:28:26,504 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 377.2) internal successors, (1886), 5 states have internal predecessors, (1886), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1948
[2024-12-02 10:28:26,505 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:28:26,512 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:28:26,512 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:28:26,517 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:28:26,517 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13508 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2582 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13521 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:28:26,517 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13521 Valid, 24647 Invalid, 2583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2582 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:28:26,525 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:28:26,584 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:28:26,592 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4955937431152235) internal successors, (13577), 9078 states have internal predecessors, (13577), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:28:26,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13603 transitions.
[2024-12-02 10:28:26,602 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13603 transitions. Word has length 1948
[2024-12-02 10:28:26,603 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:28:26,603 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13603 transitions.
[2024-12-02 10:28:26,603 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 377.2) internal successors, (1886), 5 states have internal predecessors, (1886), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:26,604 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13603 transitions.
[2024-12-02 10:28:26,622 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1950
[2024-12-02 10:28:26,622 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:28:26,623 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:28:26,623 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-12-02 10:28:26,623 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:28:26,624 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:28:26,624 INFO  L85        PathProgramCache]: Analyzing trace with hash -350945730, now seen corresponding path program 1 times
[2024-12-02 10:28:26,624 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:28:26,624 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395953073]
[2024-12-02 10:28:26,624 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:28:26,625 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:28:30,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:28:33,647 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:28:33,647 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:28:33,647 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395953073]
[2024-12-02 10:28:33,647 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395953073] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:28:33,647 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:28:33,647 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:28:33,647 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060283437]
[2024-12-02 10:28:33,647 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:28:33,648 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:28:33,648 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:28:33,649 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:28:33,649 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:28:33,650 INFO  L87              Difference]: Start difference. First operand 9093 states and 13603 transitions. Second operand  has 5 states, 5 states have (on average 377.4) internal successors, (1887), 5 states have internal predecessors, (1887), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:35,842 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:28:35,842 INFO  L93              Difference]: Finished difference Result 16052 states and 24006 transitions.
[2024-12-02 10:28:35,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:28:35,844 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 377.4) internal successors, (1887), 5 states have internal predecessors, (1887), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1949
[2024-12-02 10:28:35,845 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:28:35,851 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:28:35,851 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:28:35,856 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:28:35,857 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13504 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2580 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13517 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:28:35,857 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13517 Valid, 24647 Invalid, 2581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2580 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:28:35,865 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:28:36,001 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:28:36,009 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4954835866931042) internal successors, (13576), 9078 states have internal predecessors, (13576), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:28:36,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13602 transitions.
[2024-12-02 10:28:36,023 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13602 transitions. Word has length 1949
[2024-12-02 10:28:36,024 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:28:36,024 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13602 transitions.
[2024-12-02 10:28:36,025 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 377.4) internal successors, (1887), 5 states have internal predecessors, (1887), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:36,025 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13602 transitions.
[2024-12-02 10:28:36,052 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1951
[2024-12-02 10:28:36,052 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:28:36,052 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:28:36,053 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-12-02 10:28:36,053 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:28:36,053 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:28:36,054 INFO  L85        PathProgramCache]: Analyzing trace with hash 900526631, now seen corresponding path program 1 times
[2024-12-02 10:28:36,054 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:28:36,054 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546917055]
[2024-12-02 10:28:36,055 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:28:36,055 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:28:40,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:28:42,993 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:28:42,993 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:28:42,993 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546917055]
[2024-12-02 10:28:42,993 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546917055] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:28:42,993 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:28:42,993 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:28:42,993 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558338669]
[2024-12-02 10:28:42,993 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:28:42,995 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:28:42,995 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:28:42,997 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:28:42,997 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:28:42,997 INFO  L87              Difference]: Start difference. First operand 9093 states and 13602 transitions. Second operand  has 5 states, 5 states have (on average 377.6) internal successors, (1888), 5 states have internal predecessors, (1888), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:45,247 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:28:45,247 INFO  L93              Difference]: Finished difference Result 16052 states and 24004 transitions.
[2024-12-02 10:28:45,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:28:45,248 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 377.6) internal successors, (1888), 5 states have internal predecessors, (1888), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1950
[2024-12-02 10:28:45,249 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:28:45,256 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:28:45,256 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:28:45,261 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:28:45,261 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13500 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2578 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13513 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:28:45,261 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13513 Valid, 24647 Invalid, 2579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2578 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 10:28:45,272 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:28:45,333 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:28:45,341 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.495373430270985) internal successors, (13575), 9078 states have internal predecessors, (13575), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:28:45,350 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13601 transitions.
[2024-12-02 10:28:45,351 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13601 transitions. Word has length 1950
[2024-12-02 10:28:45,352 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:28:45,352 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13601 transitions.
[2024-12-02 10:28:45,352 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 377.6) internal successors, (1888), 5 states have internal predecessors, (1888), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:45,352 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13601 transitions.
[2024-12-02 10:28:45,371 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1952
[2024-12-02 10:28:45,371 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:28:45,371 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:45,371 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-12-02 10:28:45,372 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:28:45,372 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:28:45,372 INFO  L85        PathProgramCache]: Analyzing trace with hash -1691976745, now seen corresponding path program 1 times
[2024-12-02 10:28:45,372 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:28:45,373 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250669529]
[2024-12-02 10:28:45,373 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:28:45,373 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:28:49,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:28:51,975 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:28:51,975 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:28:51,975 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250669529]
[2024-12-02 10:28:51,975 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250669529] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:28:51,975 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:28:51,975 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:28:51,975 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830300110]
[2024-12-02 10:28:51,975 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:28:51,976 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:28:51,976 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:28:51,977 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:28:51,978 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:28:51,978 INFO  L87              Difference]: Start difference. First operand 9093 states and 13601 transitions. Second operand  has 5 states, 5 states have (on average 377.8) internal successors, (1889), 5 states have internal predecessors, (1889), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:54,068 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:28:54,068 INFO  L93              Difference]: Finished difference Result 16052 states and 24002 transitions.
[2024-12-02 10:28:54,069 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:28:54,069 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 377.8) internal successors, (1889), 5 states have internal predecessors, (1889), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1951
[2024-12-02 10:28:54,070 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:28:54,077 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:28:54,077 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:28:54,082 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:28:54,082 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13496 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13509 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:28:54,082 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13509 Valid, 24647 Invalid, 2577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2576 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:28:54,090 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:28:54,149 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:28:54,157 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4952632738488654) internal successors, (13574), 9078 states have internal predecessors, (13574), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:28:54,166 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13600 transitions.
[2024-12-02 10:28:54,166 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13600 transitions. Word has length 1951
[2024-12-02 10:28:54,167 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:28:54,167 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13600 transitions.
[2024-12-02 10:28:54,168 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 377.8) internal successors, (1889), 5 states have internal predecessors, (1889), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:28:54,168 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13600 transitions.
[2024-12-02 10:28:54,185 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1953
[2024-12-02 10:28:54,185 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:28:54,185 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:28:54,186 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-12-02 10:28:54,186 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:28:54,186 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:28:54,186 INFO  L85        PathProgramCache]: Analyzing trace with hash -42405152, now seen corresponding path program 1 times
[2024-12-02 10:28:54,186 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:28:54,186 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168380785]
[2024-12-02 10:28:54,187 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:28:54,187 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:28:58,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:29:00,940 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:29:00,940 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:29:00,940 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168380785]
[2024-12-02 10:29:00,940 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168380785] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:29:00,940 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:29:00,941 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:29:00,941 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171885719]
[2024-12-02 10:29:00,941 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:29:00,942 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:29:00,942 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:29:00,943 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:29:00,943 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:29:00,943 INFO  L87              Difference]: Start difference. First operand 9093 states and 13600 transitions. Second operand  has 5 states, 5 states have (on average 378.0) internal successors, (1890), 5 states have internal predecessors, (1890), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:03,113 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:29:03,113 INFO  L93              Difference]: Finished difference Result 16052 states and 24000 transitions.
[2024-12-02 10:29:03,114 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:29:03,114 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 378.0) internal successors, (1890), 5 states have internal predecessors, (1890), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1952
[2024-12-02 10:29:03,115 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:29:03,122 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:29:03,122 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:29:03,127 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:29:03,128 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13492 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2574 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13505 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:29:03,128 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13505 Valid, 24647 Invalid, 2575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2574 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:29:03,136 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:29:03,198 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:29:03,205 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.495153117426746) internal successors, (13573), 9078 states have internal predecessors, (13573), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:29:03,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13599 transitions.
[2024-12-02 10:29:03,215 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13599 transitions. Word has length 1952
[2024-12-02 10:29:03,216 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:29:03,216 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13599 transitions.
[2024-12-02 10:29:03,216 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 378.0) internal successors, (1890), 5 states have internal predecessors, (1890), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:03,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13599 transitions.
[2024-12-02 10:29:03,235 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1954
[2024-12-02 10:29:03,235 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:29:03,235 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:29:03,235 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-12-02 10:29:03,235 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:29:03,236 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:29:03,236 INFO  L85        PathProgramCache]: Analyzing trace with hash -1048215056, now seen corresponding path program 1 times
[2024-12-02 10:29:03,236 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:29:03,236 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260710800]
[2024-12-02 10:29:03,236 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:29:03,236 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:29:07,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:29:10,266 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:29:10,266 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:29:10,266 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260710800]
[2024-12-02 10:29:10,266 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260710800] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:29:10,266 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:29:10,266 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:29:10,266 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670869620]
[2024-12-02 10:29:10,266 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:29:10,267 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:29:10,267 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:29:10,268 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:29:10,268 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:29:10,268 INFO  L87              Difference]: Start difference. First operand 9093 states and 13599 transitions. Second operand  has 5 states, 5 states have (on average 378.2) internal successors, (1891), 5 states have internal predecessors, (1891), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:12,314 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:29:12,314 INFO  L93              Difference]: Finished difference Result 16052 states and 23998 transitions.
[2024-12-02 10:29:12,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:29:12,315 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 378.2) internal successors, (1891), 5 states have internal predecessors, (1891), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1953
[2024-12-02 10:29:12,316 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:29:12,323 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:29:12,323 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:29:12,328 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:29:12,328 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13488 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2572 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13501 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:29:12,328 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13501 Valid, 24647 Invalid, 2573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2572 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:29:12,337 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:29:12,399 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:29:12,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4950429610046265) internal successors, (13572), 9078 states have internal predecessors, (13572), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:29:12,416 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13598 transitions.
[2024-12-02 10:29:12,417 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13598 transitions. Word has length 1953
[2024-12-02 10:29:12,418 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:29:12,418 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13598 transitions.
[2024-12-02 10:29:12,418 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 378.2) internal successors, (1891), 5 states have internal predecessors, (1891), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:12,418 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13598 transitions.
[2024-12-02 10:29:12,436 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1955
[2024-12-02 10:29:12,436 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:29:12,437 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:29:12,437 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-12-02 10:29:12,437 INFO  L396      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:29:12,437 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:29:12,438 INFO  L85        PathProgramCache]: Analyzing trace with hash 1688331289, now seen corresponding path program 1 times
[2024-12-02 10:29:12,438 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:29:12,438 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468575104]
[2024-12-02 10:29:12,438 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:29:12,438 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:29:16,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:29:18,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:29:18,939 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:29:18,939 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468575104]
[2024-12-02 10:29:18,939 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468575104] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:29:18,939 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:29:18,939 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:29:18,939 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577532571]
[2024-12-02 10:29:18,939 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:29:18,940 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:29:18,940 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:29:18,941 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:29:18,941 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:29:18,941 INFO  L87              Difference]: Start difference. First operand 9093 states and 13598 transitions. Second operand  has 5 states, 5 states have (on average 378.4) internal successors, (1892), 5 states have internal predecessors, (1892), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:21,103 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:29:21,104 INFO  L93              Difference]: Finished difference Result 16052 states and 23996 transitions.
[2024-12-02 10:29:21,105 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:29:21,105 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 378.4) internal successors, (1892), 5 states have internal predecessors, (1892), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1954
[2024-12-02 10:29:21,106 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:29:21,112 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:29:21,112 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:29:21,117 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:29:21,117 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25696 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2570 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25709 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:29:21,117 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25709 Valid, 24630 Invalid, 2571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2570 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:29:21,125 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:29:21,191 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:29:21,198 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4949328045825072) internal successors, (13571), 9078 states have internal predecessors, (13571), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:29:21,207 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13597 transitions.
[2024-12-02 10:29:21,207 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13597 transitions. Word has length 1954
[2024-12-02 10:29:21,208 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:29:21,208 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13597 transitions.
[2024-12-02 10:29:21,209 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 378.4) internal successors, (1892), 5 states have internal predecessors, (1892), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:21,209 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13597 transitions.
[2024-12-02 10:29:21,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1956
[2024-12-02 10:29:21,225 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:29:21,225 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:29:21,225 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-12-02 10:29:21,225 INFO  L396      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:29:21,226 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:29:21,226 INFO  L85        PathProgramCache]: Analyzing trace with hash -781889399, now seen corresponding path program 1 times
[2024-12-02 10:29:21,227 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:29:21,227 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490853931]
[2024-12-02 10:29:21,227 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:29:21,227 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:29:25,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:29:28,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:29:28,013 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:29:28,013 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490853931]
[2024-12-02 10:29:28,014 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490853931] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:29:28,014 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:29:28,014 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:29:28,014 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966041936]
[2024-12-02 10:29:28,014 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:29:28,015 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:29:28,015 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:29:28,016 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:29:28,016 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:29:28,017 INFO  L87              Difference]: Start difference. First operand 9093 states and 13597 transitions. Second operand  has 5 states, 5 states have (on average 378.6) internal successors, (1893), 5 states have internal predecessors, (1893), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:30,084 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:29:30,084 INFO  L93              Difference]: Finished difference Result 16052 states and 23994 transitions.
[2024-12-02 10:29:30,085 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:29:30,086 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 378.6) internal successors, (1893), 5 states have internal predecessors, (1893), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1955
[2024-12-02 10:29:30,087 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:29:30,093 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:29:30,093 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:29:30,098 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:29:30,098 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25688 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2568 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25701 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:29:30,098 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25701 Valid, 24630 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2568 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:29:30,106 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:29:30,171 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:29:30,178 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4948226481603877) internal successors, (13570), 9078 states have internal predecessors, (13570), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:29:30,188 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13596 transitions.
[2024-12-02 10:29:30,188 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13596 transitions. Word has length 1955
[2024-12-02 10:29:30,189 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:29:30,189 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13596 transitions.
[2024-12-02 10:29:30,190 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 378.6) internal successors, (1893), 5 states have internal predecessors, (1893), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:30,190 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13596 transitions.
[2024-12-02 10:29:30,286 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1957
[2024-12-02 10:29:30,287 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:29:30,287 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:29:30,287 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-12-02 10:29:30,287 INFO  L396      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:29:30,290 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:29:30,291 INFO  L85        PathProgramCache]: Analyzing trace with hash 494470610, now seen corresponding path program 1 times
[2024-12-02 10:29:30,291 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:29:30,291 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721232962]
[2024-12-02 10:29:30,291 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:29:30,291 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:29:34,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:29:37,224 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:29:37,224 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:29:37,224 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721232962]
[2024-12-02 10:29:37,224 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721232962] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:29:37,224 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:29:37,224 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:29:37,224 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339536074]
[2024-12-02 10:29:37,224 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:29:37,226 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:29:37,226 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:29:37,227 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:29:37,227 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:29:37,228 INFO  L87              Difference]: Start difference. First operand 9093 states and 13596 transitions. Second operand  has 5 states, 5 states have (on average 378.8) internal successors, (1894), 5 states have internal predecessors, (1894), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:39,411 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:29:39,411 INFO  L93              Difference]: Finished difference Result 16052 states and 23992 transitions.
[2024-12-02 10:29:39,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:29:39,412 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 378.8) internal successors, (1894), 5 states have internal predecessors, (1894), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1956
[2024-12-02 10:29:39,413 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:29:39,420 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:29:39,420 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:29:39,425 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:29:39,426 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25680 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2566 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25693 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:29:39,426 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25693 Valid, 24630 Invalid, 2567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2566 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:29:39,434 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:29:39,498 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:29:39,505 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4947124917382684) internal successors, (13569), 9078 states have internal predecessors, (13569), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:29:39,515 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13595 transitions.
[2024-12-02 10:29:39,515 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13595 transitions. Word has length 1956
[2024-12-02 10:29:39,516 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:29:39,516 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13595 transitions.
[2024-12-02 10:29:39,516 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 378.8) internal successors, (1894), 5 states have internal predecessors, (1894), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:39,516 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13595 transitions.
[2024-12-02 10:29:39,535 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1958
[2024-12-02 10:29:39,535 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:29:39,536 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:29:39,536 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-12-02 10:29:39,536 INFO  L396      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:29:39,536 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:29:39,537 INFO  L85        PathProgramCache]: Analyzing trace with hash 1054418850, now seen corresponding path program 1 times
[2024-12-02 10:29:39,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:29:39,537 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298475519]
[2024-12-02 10:29:39,537 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:29:39,537 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:29:43,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:29:45,999 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:29:45,999 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:29:45,999 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298475519]
[2024-12-02 10:29:45,999 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298475519] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:29:45,999 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:29:46,000 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:29:46,000 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469282589]
[2024-12-02 10:29:46,000 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:29:46,001 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:29:46,001 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:29:46,002 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:29:46,002 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:29:46,003 INFO  L87              Difference]: Start difference. First operand 9093 states and 13595 transitions. Second operand  has 5 states, 5 states have (on average 379.0) internal successors, (1895), 5 states have internal predecessors, (1895), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:48,321 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:29:48,321 INFO  L93              Difference]: Finished difference Result 16052 states and 23990 transitions.
[2024-12-02 10:29:48,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:29:48,322 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 379.0) internal successors, (1895), 5 states have internal predecessors, (1895), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1957
[2024-12-02 10:29:48,323 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:29:48,328 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:29:48,328 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:29:48,331 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:29:48,331 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25672 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25685 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:29:48,331 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25685 Valid, 24630 Invalid, 2565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2564 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 10:29:48,339 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:29:48,399 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:29:48,406 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4946023353161488) internal successors, (13568), 9078 states have internal predecessors, (13568), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:29:48,416 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13594 transitions.
[2024-12-02 10:29:48,416 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13594 transitions. Word has length 1957
[2024-12-02 10:29:48,417 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:29:48,417 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13594 transitions.
[2024-12-02 10:29:48,417 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 379.0) internal successors, (1895), 5 states have internal predecessors, (1895), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:48,417 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13594 transitions.
[2024-12-02 10:29:48,436 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1959
[2024-12-02 10:29:48,436 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:29:48,436 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:48,436 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-12-02 10:29:48,437 INFO  L396      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:29:48,437 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:29:48,437 INFO  L85        PathProgramCache]: Analyzing trace with hash -139487221, now seen corresponding path program 1 times
[2024-12-02 10:29:48,437 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:29:48,437 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136116573]
[2024-12-02 10:29:48,437 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:29:48,438 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:29:52,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:29:55,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:29:55,357 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:29:55,358 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136116573]
[2024-12-02 10:29:55,358 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136116573] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:29:55,358 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:29:55,358 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:29:55,358 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57429514]
[2024-12-02 10:29:55,358 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:29:55,359 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:29:55,359 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:29:55,361 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:29:55,361 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:29:55,361 INFO  L87              Difference]: Start difference. First operand 9093 states and 13594 transitions. Second operand  has 5 states, 5 states have (on average 379.2) internal successors, (1896), 5 states have internal predecessors, (1896), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:57,555 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:29:57,555 INFO  L93              Difference]: Finished difference Result 16052 states and 23988 transitions.
[2024-12-02 10:29:57,556 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:29:57,556 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 379.2) internal successors, (1896), 5 states have internal predecessors, (1896), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1958
[2024-12-02 10:29:57,557 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:29:57,564 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:29:57,564 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:29:57,568 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:29:57,569 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25664 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2562 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25677 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:29:57,569 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25677 Valid, 24630 Invalid, 2563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2562 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:29:57,576 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:29:57,633 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:29:57,640 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4944921788940295) internal successors, (13567), 9078 states have internal predecessors, (13567), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:29:57,650 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13593 transitions.
[2024-12-02 10:29:57,650 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13593 transitions. Word has length 1958
[2024-12-02 10:29:57,651 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:29:57,651 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13593 transitions.
[2024-12-02 10:29:57,651 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 379.2) internal successors, (1896), 5 states have internal predecessors, (1896), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:29:57,651 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13593 transitions.
[2024-12-02 10:29:57,669 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1960
[2024-12-02 10:29:57,669 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:29:57,669 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:29:57,669 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-12-02 10:29:57,669 INFO  L396      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:29:57,670 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:29:57,670 INFO  L85        PathProgramCache]: Analyzing trace with hash -1630255301, now seen corresponding path program 1 times
[2024-12-02 10:29:57,670 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:29:57,670 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005977031]
[2024-12-02 10:29:57,670 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:29:57,670 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:30:01,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:30:03,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:30:03,844 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:30:03,845 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005977031]
[2024-12-02 10:30:03,845 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005977031] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:30:03,845 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:30:03,845 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:30:03,845 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883354985]
[2024-12-02 10:30:03,845 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:30:03,846 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:30:03,846 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:30:03,846 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:30:03,846 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:30:03,847 INFO  L87              Difference]: Start difference. First operand 9093 states and 13593 transitions. Second operand  has 5 states, 5 states have (on average 379.4) internal successors, (1897), 5 states have internal predecessors, (1897), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:05,978 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:30:05,978 INFO  L93              Difference]: Finished difference Result 16052 states and 23986 transitions.
[2024-12-02 10:30:05,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:30:05,979 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 379.4) internal successors, (1897), 5 states have internal predecessors, (1897), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1959
[2024-12-02 10:30:05,980 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:30:05,987 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:30:05,987 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:30:05,993 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:30:05,993 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13369 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2560 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13382 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:30:05,993 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13382 Valid, 24647 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2560 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:30:06,001 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:30:06,064 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:30:06,071 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4943820224719102) internal successors, (13566), 9078 states have internal predecessors, (13566), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:30:06,081 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13592 transitions.
[2024-12-02 10:30:06,081 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13592 transitions. Word has length 1959
[2024-12-02 10:30:06,082 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:30:06,082 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13592 transitions.
[2024-12-02 10:30:06,083 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 379.4) internal successors, (1897), 5 states have internal predecessors, (1897), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:06,083 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13592 transitions.
[2024-12-02 10:30:06,101 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1961
[2024-12-02 10:30:06,101 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:30:06,101 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:30:06,101 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-12-02 10:30:06,101 INFO  L396      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:30:06,102 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:30:06,102 INFO  L85        PathProgramCache]: Analyzing trace with hash -2110702323, now seen corresponding path program 1 times
[2024-12-02 10:30:06,102 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:30:06,102 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954281814]
[2024-12-02 10:30:06,102 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:30:06,102 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:30:10,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:30:13,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:30:13,103 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:30:13,103 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954281814]
[2024-12-02 10:30:13,103 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954281814] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:30:13,103 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:30:13,104 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:30:13,104 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583004174]
[2024-12-02 10:30:13,104 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:30:13,105 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:30:13,105 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:30:13,106 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:30:13,106 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:30:13,106 INFO  L87              Difference]: Start difference. First operand 9093 states and 13592 transitions. Second operand  has 5 states, 5 states have (on average 379.6) internal successors, (1898), 5 states have internal predecessors, (1898), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:15,223 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:30:15,224 INFO  L93              Difference]: Finished difference Result 16052 states and 23984 transitions.
[2024-12-02 10:30:15,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:30:15,225 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 379.6) internal successors, (1898), 5 states have internal predecessors, (1898), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1960
[2024-12-02 10:30:15,226 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:30:15,233 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:30:15,233 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:30:15,238 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:30:15,239 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25458 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2558 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25471 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:30:15,239 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25471 Valid, 24630 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2558 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:30:15,249 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:30:15,402 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:30:15,410 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4942718660497907) internal successors, (13565), 9078 states have internal predecessors, (13565), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:30:15,425 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13591 transitions.
[2024-12-02 10:30:15,425 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13591 transitions. Word has length 1960
[2024-12-02 10:30:15,427 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:30:15,427 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13591 transitions.
[2024-12-02 10:30:15,427 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 379.6) internal successors, (1898), 5 states have internal predecessors, (1898), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:15,427 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13591 transitions.
[2024-12-02 10:30:15,458 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1962
[2024-12-02 10:30:15,458 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:30:15,458 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:30:15,458 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-12-02 10:30:15,459 INFO  L396      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:30:15,459 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:30:15,460 INFO  L85        PathProgramCache]: Analyzing trace with hash 1002290594, now seen corresponding path program 1 times
[2024-12-02 10:30:15,460 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:30:15,460 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359257101]
[2024-12-02 10:30:15,460 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:30:15,460 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:30:20,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:30:22,923 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:30:22,923 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:30:22,923 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359257101]
[2024-12-02 10:30:22,923 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359257101] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:30:22,923 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:30:22,923 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:30:22,923 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118919464]
[2024-12-02 10:30:22,923 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:30:22,925 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:30:22,925 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:30:22,926 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:30:22,926 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:30:22,926 INFO  L87              Difference]: Start difference. First operand 9093 states and 13591 transitions. Second operand  has 5 states, 5 states have (on average 379.8) internal successors, (1899), 5 states have internal predecessors, (1899), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:24,997 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:30:24,997 INFO  L93              Difference]: Finished difference Result 16052 states and 23982 transitions.
[2024-12-02 10:30:24,998 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:30:24,998 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 379.8) internal successors, (1899), 5 states have internal predecessors, (1899), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1961
[2024-12-02 10:30:25,000 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:30:25,007 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:30:25,007 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:30:25,012 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:30:25,013 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13361 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13374 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:30:25,013 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13374 Valid, 24647 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2556 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:30:25,021 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:30:25,085 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:30:25,093 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4941617096276714) internal successors, (13564), 9078 states have internal predecessors, (13564), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:30:25,103 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13590 transitions.
[2024-12-02 10:30:25,103 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13590 transitions. Word has length 1961
[2024-12-02 10:30:25,104 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:30:25,104 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13590 transitions.
[2024-12-02 10:30:25,105 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 379.8) internal successors, (1899), 5 states have internal predecessors, (1899), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:25,105 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13590 transitions.
[2024-12-02 10:30:25,122 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1963
[2024-12-02 10:30:25,123 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:30:25,123 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:30:25,123 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-12-02 10:30:25,123 INFO  L396      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:30:25,124 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:30:25,124 INFO  L85        PathProgramCache]: Analyzing trace with hash 285927828, now seen corresponding path program 1 times
[2024-12-02 10:30:25,124 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:30:25,124 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739239039]
[2024-12-02 10:30:25,124 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:30:25,124 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:30:29,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:30:32,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:30:32,126 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:30:32,126 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739239039]
[2024-12-02 10:30:32,126 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739239039] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:30:32,126 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:30:32,126 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:30:32,126 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472921427]
[2024-12-02 10:30:32,126 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:30:32,127 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:30:32,127 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:30:32,128 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:30:32,128 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:30:32,128 INFO  L87              Difference]: Start difference. First operand 9093 states and 13590 transitions. Second operand  has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:34,255 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:30:34,255 INFO  L93              Difference]: Finished difference Result 16052 states and 23980 transitions.
[2024-12-02 10:30:34,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:30:34,257 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1962
[2024-12-02 10:30:34,258 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:30:34,265 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:30:34,265 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:30:34,270 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:30:34,270 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13357 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13370 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:30:34,271 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13370 Valid, 24647 Invalid, 2555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:30:34,282 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:30:34,349 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:30:34,356 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4940515532055518) internal successors, (13563), 9078 states have internal predecessors, (13563), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:30:34,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13589 transitions.
[2024-12-02 10:30:34,367 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13589 transitions. Word has length 1962
[2024-12-02 10:30:34,367 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:30:34,367 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13589 transitions.
[2024-12-02 10:30:34,368 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:34,368 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13589 transitions.
[2024-12-02 10:30:34,386 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1964
[2024-12-02 10:30:34,386 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:30:34,387 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:34,387 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-12-02 10:30:34,387 INFO  L396      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:30:34,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:30:34,388 INFO  L85        PathProgramCache]: Analyzing trace with hash 1749558153, now seen corresponding path program 1 times
[2024-12-02 10:30:34,388 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:30:34,388 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139336644]
[2024-12-02 10:30:34,388 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:30:34,388 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:30:37,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:30:40,524 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:30:40,524 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:30:40,525 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139336644]
[2024-12-02 10:30:40,525 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139336644] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:30:40,525 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:30:40,525 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:30:40,525 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574035382]
[2024-12-02 10:30:40,525 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:30:40,526 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:30:40,526 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:30:40,526 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:30:40,526 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:30:40,527 INFO  L87              Difference]: Start difference. First operand 9093 states and 13589 transitions. Second operand  has 5 states, 5 states have (on average 380.2) internal successors, (1901), 5 states have internal predecessors, (1901), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:42,575 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:30:42,575 INFO  L93              Difference]: Finished difference Result 16052 states and 23978 transitions.
[2024-12-02 10:30:42,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:30:42,576 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 380.2) internal successors, (1901), 5 states have internal predecessors, (1901), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1963
[2024-12-02 10:30:42,577 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:30:42,584 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:30:42,584 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:30:42,589 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:30:42,589 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13353 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2552 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13366 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:30:42,589 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13366 Valid, 24647 Invalid, 2553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2552 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:30:42,597 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:30:42,656 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:30:42,664 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4939413967834325) internal successors, (13562), 9078 states have internal predecessors, (13562), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:30:42,673 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13588 transitions.
[2024-12-02 10:30:42,674 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13588 transitions. Word has length 1963
[2024-12-02 10:30:42,675 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:30:42,675 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13588 transitions.
[2024-12-02 10:30:42,675 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 380.2) internal successors, (1901), 5 states have internal predecessors, (1901), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:42,675 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13588 transitions.
[2024-12-02 10:30:42,693 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1965
[2024-12-02 10:30:42,693 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:30:42,693 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:30:42,693 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-12-02 10:30:42,693 INFO  L396      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:30:42,694 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:30:42,694 INFO  L85        PathProgramCache]: Analyzing trace with hash 925552027, now seen corresponding path program 1 times
[2024-12-02 10:30:42,694 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:30:42,694 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772432460]
[2024-12-02 10:30:42,694 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:30:42,694 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:30:46,611 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:30:49,379 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:30:49,379 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:30:49,379 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772432460]
[2024-12-02 10:30:49,380 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772432460] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:30:49,380 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:30:49,380 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:30:49,380 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922406484]
[2024-12-02 10:30:49,380 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:30:49,381 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:30:49,381 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:30:49,381 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:30:49,381 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:30:49,382 INFO  L87              Difference]: Start difference. First operand 9093 states and 13588 transitions. Second operand  has 5 states, 5 states have (on average 380.4) internal successors, (1902), 5 states have internal predecessors, (1902), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:51,552 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:30:51,552 INFO  L93              Difference]: Finished difference Result 16052 states and 23976 transitions.
[2024-12-02 10:30:51,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:30:51,554 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 380.4) internal successors, (1902), 5 states have internal predecessors, (1902), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1964
[2024-12-02 10:30:51,555 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:30:51,564 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:30:51,564 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:30:51,571 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:30:51,571 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13349 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2550 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13362 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:30:51,571 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13362 Valid, 24647 Invalid, 2551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2550 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:30:51,581 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:30:51,664 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:30:51,673 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.493831240361313) internal successors, (13561), 9078 states have internal predecessors, (13561), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:30:51,685 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13587 transitions.
[2024-12-02 10:30:51,686 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13587 transitions. Word has length 1964
[2024-12-02 10:30:51,687 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:30:51,687 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13587 transitions.
[2024-12-02 10:30:51,688 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 380.4) internal successors, (1902), 5 states have internal predecessors, (1902), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:30:51,688 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13587 transitions.
[2024-12-02 10:30:51,713 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1966
[2024-12-02 10:30:51,713 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:30:51,714 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:30:51,714 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-12-02 10:30:51,714 INFO  L396      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:30:51,715 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:30:51,715 INFO  L85        PathProgramCache]: Analyzing trace with hash -671205136, now seen corresponding path program 1 times
[2024-12-02 10:30:51,715 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:30:51,715 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051077673]
[2024-12-02 10:30:51,716 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:30:51,716 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:30:55,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:30:58,359 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:30:58,360 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:30:58,360 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051077673]
[2024-12-02 10:30:58,360 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051077673] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:30:58,360 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:30:58,360 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:30:58,360 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290685715]
[2024-12-02 10:30:58,360 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:30:58,361 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:30:58,361 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:30:58,362 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:30:58,362 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:30:58,362 INFO  L87              Difference]: Start difference. First operand 9093 states and 13587 transitions. Second operand  has 5 states, 5 states have (on average 380.6) internal successors, (1903), 5 states have internal predecessors, (1903), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:00,470 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:31:00,470 INFO  L93              Difference]: Finished difference Result 16052 states and 23974 transitions.
[2024-12-02 10:31:00,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:31:00,472 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 380.6) internal successors, (1903), 5 states have internal predecessors, (1903), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1965
[2024-12-02 10:31:00,473 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:31:00,479 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:31:00,479 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:31:00,484 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:31:00,484 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13345 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2548 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13358 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:31:00,484 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13358 Valid, 24647 Invalid, 2549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2548 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:31:00,491 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:31:00,551 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:31:00,558 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4937210839391937) internal successors, (13560), 9078 states have internal predecessors, (13560), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:31:00,568 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13586 transitions.
[2024-12-02 10:31:00,569 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13586 transitions. Word has length 1965
[2024-12-02 10:31:00,570 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:31:00,570 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13586 transitions.
[2024-12-02 10:31:00,570 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 380.6) internal successors, (1903), 5 states have internal predecessors, (1903), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:00,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13586 transitions.
[2024-12-02 10:31:00,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1967
[2024-12-02 10:31:00,593 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:31:00,593 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:31:00,593 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2024-12-02 10:31:00,593 INFO  L396      AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:31:00,594 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:31:00,594 INFO  L85        PathProgramCache]: Analyzing trace with hash -40785630, now seen corresponding path program 1 times
[2024-12-02 10:31:00,594 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:31:00,594 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079688068]
[2024-12-02 10:31:00,594 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:31:00,594 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:31:04,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:31:07,176 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:31:07,177 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:31:07,177 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079688068]
[2024-12-02 10:31:07,177 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079688068] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:31:07,177 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:31:07,177 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:31:07,177 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170046020]
[2024-12-02 10:31:07,177 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:31:07,178 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:31:07,178 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:31:07,179 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:31:07,179 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:31:07,180 INFO  L87              Difference]: Start difference. First operand 9093 states and 13586 transitions. Second operand  has 5 states, 5 states have (on average 380.8) internal successors, (1904), 5 states have internal predecessors, (1904), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:09,266 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:31:09,267 INFO  L93              Difference]: Finished difference Result 16052 states and 23972 transitions.
[2024-12-02 10:31:09,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:31:09,268 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 380.8) internal successors, (1904), 5 states have internal predecessors, (1904), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1966
[2024-12-02 10:31:09,269 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:31:09,275 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:31:09,275 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:31:09,280 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:31:09,280 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25410 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25423 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:31:09,281 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25423 Valid, 24630 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2546 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:31:09,288 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:31:09,349 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:31:09,356 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4936109275170741) internal successors, (13559), 9078 states have internal predecessors, (13559), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:31:09,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13585 transitions.
[2024-12-02 10:31:09,366 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13585 transitions. Word has length 1966
[2024-12-02 10:31:09,367 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:31:09,367 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13585 transitions.
[2024-12-02 10:31:09,367 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 380.8) internal successors, (1904), 5 states have internal predecessors, (1904), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:09,368 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13585 transitions.
[2024-12-02 10:31:09,385 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1968
[2024-12-02 10:31:09,385 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:31:09,385 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:31:09,385 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2024-12-02 10:31:09,386 INFO  L396      AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:31:09,386 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:31:09,386 INFO  L85        PathProgramCache]: Analyzing trace with hash 604683735, now seen corresponding path program 1 times
[2024-12-02 10:31:09,386 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:31:09,386 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474596110]
[2024-12-02 10:31:09,386 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:31:09,387 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:31:12,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:31:15,485 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:31:15,485 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:31:15,485 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474596110]
[2024-12-02 10:31:15,485 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474596110] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:31:15,485 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:31:15,486 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:31:15,486 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362948105]
[2024-12-02 10:31:15,486 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:31:15,486 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:31:15,487 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:31:15,487 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:31:15,487 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:31:15,488 INFO  L87              Difference]: Start difference. First operand 9093 states and 13585 transitions. Second operand  has 5 states, 5 states have (on average 381.0) internal successors, (1905), 5 states have internal predecessors, (1905), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:17,637 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:31:17,637 INFO  L93              Difference]: Finished difference Result 16052 states and 23970 transitions.
[2024-12-02 10:31:17,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:31:17,638 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 381.0) internal successors, (1905), 5 states have internal predecessors, (1905), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1967
[2024-12-02 10:31:17,639 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:31:17,646 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:31:17,646 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:31:17,652 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:31:17,652 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25402 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25415 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:31:17,652 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25415 Valid, 24630 Invalid, 2545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:31:17,660 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:31:17,718 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:31:17,725 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4935007710949548) internal successors, (13558), 9078 states have internal predecessors, (13558), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:31:17,734 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13584 transitions.
[2024-12-02 10:31:17,735 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13584 transitions. Word has length 1967
[2024-12-02 10:31:17,736 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:31:17,736 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13584 transitions.
[2024-12-02 10:31:17,736 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 381.0) internal successors, (1905), 5 states have internal predecessors, (1905), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:17,736 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13584 transitions.
[2024-12-02 10:31:17,753 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1969
[2024-12-02 10:31:17,753 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:31:17,754 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:17,754 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2024-12-02 10:31:17,754 INFO  L396      AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:31:17,754 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:31:17,754 INFO  L85        PathProgramCache]: Analyzing trace with hash -513786839, now seen corresponding path program 1 times
[2024-12-02 10:31:17,754 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:31:17,755 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817237920]
[2024-12-02 10:31:17,755 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:31:17,755 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:31:21,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:31:24,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:31:24,583 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:31:24,583 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817237920]
[2024-12-02 10:31:24,583 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817237920] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:31:24,583 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:31:24,584 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:31:24,584 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251687591]
[2024-12-02 10:31:24,584 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:31:24,585 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:31:24,585 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:31:24,586 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:31:24,586 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:31:24,587 INFO  L87              Difference]: Start difference. First operand 9093 states and 13584 transitions. Second operand  has 5 states, 5 states have (on average 381.2) internal successors, (1906), 5 states have internal predecessors, (1906), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:27,016 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:31:27,017 INFO  L93              Difference]: Finished difference Result 16052 states and 23968 transitions.
[2024-12-02 10:31:27,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:31:27,018 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 381.2) internal successors, (1906), 5 states have internal predecessors, (1906), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1968
[2024-12-02 10:31:27,019 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:31:27,024 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:31:27,024 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:31:27,027 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:31:27,027 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13333 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2542 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13346 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:31:27,027 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13346 Valid, 24647 Invalid, 2543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2542 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 10:31:27,035 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:31:27,094 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:31:27,101 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4933906146728355) internal successors, (13557), 9078 states have internal predecessors, (13557), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:31:27,113 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13583 transitions.
[2024-12-02 10:31:27,114 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13583 transitions. Word has length 1968
[2024-12-02 10:31:27,115 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:31:27,115 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13583 transitions.
[2024-12-02 10:31:27,115 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 381.2) internal successors, (1906), 5 states have internal predecessors, (1906), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:27,115 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13583 transitions.
[2024-12-02 10:31:27,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1970
[2024-12-02 10:31:27,131 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:31:27,131 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:31:27,131 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2024-12-02 10:31:27,132 INFO  L396      AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:31:27,132 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:31:27,132 INFO  L85        PathProgramCache]: Analyzing trace with hash 188248638, now seen corresponding path program 1 times
[2024-12-02 10:31:27,132 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:31:27,132 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89216814]
[2024-12-02 10:31:27,132 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:31:27,132 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:31:32,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:31:35,279 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:31:35,279 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:31:35,279 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89216814]
[2024-12-02 10:31:35,279 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89216814] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:31:35,279 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:31:35,280 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:31:35,280 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274456498]
[2024-12-02 10:31:35,280 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:31:35,281 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:31:35,281 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:31:35,282 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:31:35,282 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:31:35,283 INFO  L87              Difference]: Start difference. First operand 9093 states and 13583 transitions. Second operand  has 5 states, 5 states have (on average 381.4) internal successors, (1907), 5 states have internal predecessors, (1907), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:37,410 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:31:37,410 INFO  L93              Difference]: Finished difference Result 16052 states and 23966 transitions.
[2024-12-02 10:31:37,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:31:37,412 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 381.4) internal successors, (1907), 5 states have internal predecessors, (1907), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1969
[2024-12-02 10:31:37,413 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:31:37,420 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:31:37,420 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:31:37,425 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:31:37,425 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13329 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2540 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13342 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:31:37,425 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13342 Valid, 24647 Invalid, 2541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2540 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:31:37,433 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:31:37,497 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:31:37,504 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.493280458250716) internal successors, (13556), 9078 states have internal predecessors, (13556), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:31:37,514 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13582 transitions.
[2024-12-02 10:31:37,515 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13582 transitions. Word has length 1969
[2024-12-02 10:31:37,515 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:31:37,516 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13582 transitions.
[2024-12-02 10:31:37,516 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 381.4) internal successors, (1907), 5 states have internal predecessors, (1907), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:37,516 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13582 transitions.
[2024-12-02 10:31:37,536 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1971
[2024-12-02 10:31:37,536 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:31:37,536 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:31:37,536 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2024-12-02 10:31:37,537 INFO  L396      AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:31:37,537 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:31:37,537 INFO  L85        PathProgramCache]: Analyzing trace with hash 1943488176, now seen corresponding path program 1 times
[2024-12-02 10:31:37,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:31:37,537 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116910419]
[2024-12-02 10:31:37,538 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:31:37,538 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:31:42,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:31:45,153 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:31:45,153 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:31:45,153 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116910419]
[2024-12-02 10:31:45,153 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116910419] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:31:45,153 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:31:45,153 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:31:45,153 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824214864]
[2024-12-02 10:31:45,153 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:31:45,155 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:31:45,155 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:31:45,156 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:31:45,156 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:31:45,157 INFO  L87              Difference]: Start difference. First operand 9093 states and 13582 transitions. Second operand  has 5 states, 5 states have (on average 381.6) internal successors, (1908), 5 states have internal predecessors, (1908), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:47,476 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:31:47,476 INFO  L93              Difference]: Finished difference Result 16052 states and 23964 transitions.
[2024-12-02 10:31:47,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:31:47,477 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 381.6) internal successors, (1908), 5 states have internal predecessors, (1908), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1970
[2024-12-02 10:31:47,478 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:31:47,485 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:31:47,485 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:31:47,490 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:31:47,490 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13325 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2538 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13338 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:31:47,490 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13338 Valid, 24647 Invalid, 2539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2538 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 10:31:47,498 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:31:47,561 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:31:47,569 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4931703018285967) internal successors, (13555), 9078 states have internal predecessors, (13555), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:31:47,579 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13581 transitions.
[2024-12-02 10:31:47,579 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13581 transitions. Word has length 1970
[2024-12-02 10:31:47,580 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:31:47,580 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13581 transitions.
[2024-12-02 10:31:47,580 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 381.6) internal successors, (1908), 5 states have internal predecessors, (1908), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:47,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13581 transitions.
[2024-12-02 10:31:47,599 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1972
[2024-12-02 10:31:47,599 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:31:47,600 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:31:47,600 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51
[2024-12-02 10:31:47,600 INFO  L396      AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:31:47,600 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:31:47,601 INFO  L85        PathProgramCache]: Analyzing trace with hash -1309534683, now seen corresponding path program 1 times
[2024-12-02 10:31:47,601 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:31:47,601 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784133068]
[2024-12-02 10:31:47,601 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:31:47,601 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:31:52,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:31:54,989 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:31:54,989 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:31:54,989 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784133068]
[2024-12-02 10:31:54,989 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784133068] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:31:54,989 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:31:54,990 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:31:54,990 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657986241]
[2024-12-02 10:31:54,990 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:31:54,991 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:31:54,991 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:31:54,993 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:31:54,993 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:31:54,994 INFO  L87              Difference]: Start difference. First operand 9093 states and 13581 transitions. Second operand  has 5 states, 5 states have (on average 381.8) internal successors, (1909), 5 states have internal predecessors, (1909), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:57,163 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:31:57,163 INFO  L93              Difference]: Finished difference Result 16052 states and 23962 transitions.
[2024-12-02 10:31:57,164 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:31:57,165 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 381.8) internal successors, (1909), 5 states have internal predecessors, (1909), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1971
[2024-12-02 10:31:57,166 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:31:57,172 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:31:57,172 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:31:57,177 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:31:57,177 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13321 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2536 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13334 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:31:57,177 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13334 Valid, 24647 Invalid, 2537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2536 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:31:57,184 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:31:57,243 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:31:57,250 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4930601454064771) internal successors, (13554), 9078 states have internal predecessors, (13554), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:31:57,259 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13580 transitions.
[2024-12-02 10:31:57,260 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13580 transitions. Word has length 1971
[2024-12-02 10:31:57,260 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:31:57,261 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13580 transitions.
[2024-12-02 10:31:57,261 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 381.8) internal successors, (1909), 5 states have internal predecessors, (1909), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:31:57,261 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13580 transitions.
[2024-12-02 10:31:57,278 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1973
[2024-12-02 10:31:57,278 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:31:57,278 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:31:57,278 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52
[2024-12-02 10:31:57,278 INFO  L396      AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:31:57,279 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:31:57,279 INFO  L85        PathProgramCache]: Analyzing trace with hash -94926665, now seen corresponding path program 1 times
[2024-12-02 10:31:57,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:31:57,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110737852]
[2024-12-02 10:31:57,279 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:31:57,279 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:32:01,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:32:04,632 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:32:04,632 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:32:04,632 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110737852]
[2024-12-02 10:32:04,632 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110737852] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:32:04,632 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:32:04,632 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:32:04,633 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735509235]
[2024-12-02 10:32:04,633 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:32:04,634 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:32:04,634 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:32:04,635 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:32:04,636 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:32:04,636 INFO  L87              Difference]: Start difference. First operand 9093 states and 13580 transitions. Second operand  has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:06,830 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:32:06,830 INFO  L93              Difference]: Finished difference Result 16052 states and 23960 transitions.
[2024-12-02 10:32:06,831 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:32:06,831 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1972
[2024-12-02 10:32:06,832 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:32:06,838 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:32:06,839 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:32:06,843 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:32:06,844 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25362 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2534 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25375 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:32:06,844 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25375 Valid, 24630 Invalid, 2535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2534 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:32:06,851 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:32:06,909 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:32:06,916 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4929499889843578) internal successors, (13553), 9078 states have internal predecessors, (13553), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:32:06,925 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13579 transitions.
[2024-12-02 10:32:06,925 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13579 transitions. Word has length 1972
[2024-12-02 10:32:06,926 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:32:06,926 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13579 transitions.
[2024-12-02 10:32:06,927 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:06,927 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13579 transitions.
[2024-12-02 10:32:06,943 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1974
[2024-12-02 10:32:06,944 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:32:06,944 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:32:06,944 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53
[2024-12-02 10:32:06,944 INFO  L396      AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:32:06,945 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:32:06,945 INFO  L85        PathProgramCache]: Analyzing trace with hash -498964084, now seen corresponding path program 1 times
[2024-12-02 10:32:06,945 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:32:06,945 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383070305]
[2024-12-02 10:32:06,945 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:32:06,945 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:32:11,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:32:14,111 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:32:14,111 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:32:14,111 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383070305]
[2024-12-02 10:32:14,111 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383070305] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:32:14,111 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:32:14,111 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:32:14,111 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552721454]
[2024-12-02 10:32:14,111 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:32:14,112 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:32:14,112 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:32:14,113 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:32:14,113 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:32:14,113 INFO  L87              Difference]: Start difference. First operand 9093 states and 13579 transitions. Second operand  has 5 states, 5 states have (on average 382.2) internal successors, (1911), 5 states have internal predecessors, (1911), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:16,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:32:16,207 INFO  L93              Difference]: Finished difference Result 16052 states and 23958 transitions.
[2024-12-02 10:32:16,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:32:16,209 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 382.2) internal successors, (1911), 5 states have internal predecessors, (1911), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1973
[2024-12-02 10:32:16,210 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:32:16,216 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:32:16,217 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:32:16,222 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:32:16,222 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13313 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2532 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13326 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:32:16,222 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13326 Valid, 24647 Invalid, 2533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2532 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:32:16,230 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:32:16,294 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:32:16,301 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4928398325622383) internal successors, (13552), 9078 states have internal predecessors, (13552), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:32:16,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13578 transitions.
[2024-12-02 10:32:16,311 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13578 transitions. Word has length 1973
[2024-12-02 10:32:16,312 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:32:16,312 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13578 transitions.
[2024-12-02 10:32:16,313 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 382.2) internal successors, (1911), 5 states have internal predecessors, (1911), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:16,313 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13578 transitions.
[2024-12-02 10:32:16,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1975
[2024-12-02 10:32:16,332 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:32:16,332 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:32:16,332 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54
[2024-12-02 10:32:16,333 INFO  L396      AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:32:16,333 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:32:16,333 INFO  L85        PathProgramCache]: Analyzing trace with hash 241287742, now seen corresponding path program 1 times
[2024-12-02 10:32:16,333 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:32:16,333 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567622150]
[2024-12-02 10:32:16,334 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:32:16,334 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:32:20,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:32:23,796 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:32:23,796 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:32:23,796 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567622150]
[2024-12-02 10:32:23,796 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567622150] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:32:23,796 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:32:23,796 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:32:23,796 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434647504]
[2024-12-02 10:32:23,796 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:32:23,797 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:32:23,797 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:32:23,798 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:32:23,798 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:32:23,799 INFO  L87              Difference]: Start difference. First operand 9093 states and 13578 transitions. Second operand  has 5 states, 5 states have (on average 382.4) internal successors, (1912), 5 states have internal predecessors, (1912), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:25,882 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:32:25,882 INFO  L93              Difference]: Finished difference Result 16052 states and 23956 transitions.
[2024-12-02 10:32:25,883 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:32:25,884 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 382.4) internal successors, (1912), 5 states have internal predecessors, (1912), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1974
[2024-12-02 10:32:25,885 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:32:25,892 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:32:25,892 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:32:25,897 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:32:25,897 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25346 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25359 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:32:25,897 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25359 Valid, 24630 Invalid, 2531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2530 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-12-02 10:32:25,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:32:25,968 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:32:25,975 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.492729676140119) internal successors, (13551), 9078 states have internal predecessors, (13551), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:32:25,985 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13577 transitions.
[2024-12-02 10:32:25,986 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13577 transitions. Word has length 1974
[2024-12-02 10:32:25,987 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:32:25,987 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13577 transitions.
[2024-12-02 10:32:25,987 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 382.4) internal successors, (1912), 5 states have internal predecessors, (1912), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:25,987 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13577 transitions.
[2024-12-02 10:32:26,005 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1976
[2024-12-02 10:32:26,005 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:32:26,006 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:26,006 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55
[2024-12-02 10:32:26,006 INFO  L396      AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:32:26,007 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:32:26,007 INFO  L85        PathProgramCache]: Analyzing trace with hash 1272196211, now seen corresponding path program 1 times
[2024-12-02 10:32:26,007 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:32:26,007 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201918776]
[2024-12-02 10:32:26,007 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:32:26,007 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:32:30,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:32:34,066 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:32:34,066 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:32:34,067 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201918776]
[2024-12-02 10:32:34,067 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201918776] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:32:34,067 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:32:34,067 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:32:34,067 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121140103]
[2024-12-02 10:32:34,067 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:32:34,068 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:32:34,068 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:32:34,069 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:32:34,069 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:32:34,069 INFO  L87              Difference]: Start difference. First operand 9093 states and 13577 transitions. Second operand  has 5 states, 5 states have (on average 382.6) internal successors, (1913), 5 states have internal predecessors, (1913), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:36,077 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:32:36,078 INFO  L93              Difference]: Finished difference Result 16052 states and 23954 transitions.
[2024-12-02 10:32:36,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:32:36,079 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 382.6) internal successors, (1913), 5 states have internal predecessors, (1913), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1975
[2024-12-02 10:32:36,080 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:32:36,086 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:32:36,087 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:32:36,092 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:32:36,092 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25338 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2528 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25351 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-12-02 10:32:36,092 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25351 Valid, 24630 Invalid, 2529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2528 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-12-02 10:32:36,100 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:32:36,161 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:32:36,168 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4926195197179997) internal successors, (13550), 9078 states have internal predecessors, (13550), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:32:36,178 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13576 transitions.
[2024-12-02 10:32:36,178 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13576 transitions. Word has length 1975
[2024-12-02 10:32:36,179 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:32:36,179 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13576 transitions.
[2024-12-02 10:32:36,179 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 382.6) internal successors, (1913), 5 states have internal predecessors, (1913), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:36,179 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13576 transitions.
[2024-12-02 10:32:36,197 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1977
[2024-12-02 10:32:36,197 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:32:36,197 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:32:36,197 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56
[2024-12-02 10:32:36,197 INFO  L396      AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:32:36,198 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:32:36,198 INFO  L85        PathProgramCache]: Analyzing trace with hash 1033286469, now seen corresponding path program 1 times
[2024-12-02 10:32:36,198 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:32:36,198 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970999003]
[2024-12-02 10:32:36,198 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:32:36,198 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:32:40,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:32:43,750 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:32:43,750 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:32:43,750 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970999003]
[2024-12-02 10:32:43,750 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970999003] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:32:43,750 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:32:43,751 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:32:43,751 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806194981]
[2024-12-02 10:32:43,751 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:32:43,752 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:32:43,752 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:32:43,753 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:32:43,753 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:32:43,754 INFO  L87              Difference]: Start difference. First operand 9093 states and 13576 transitions. Second operand  has 5 states, 5 states have (on average 382.8) internal successors, (1914), 5 states have internal predecessors, (1914), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:45,917 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:32:45,918 INFO  L93              Difference]: Finished difference Result 16052 states and 23952 transitions.
[2024-12-02 10:32:45,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:32:45,919 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 382.8) internal successors, (1914), 5 states have internal predecessors, (1914), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1976
[2024-12-02 10:32:45,920 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:32:45,926 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:32:45,926 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:32:45,931 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:32:45,932 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13301 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13314 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:32:45,932 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13314 Valid, 24647 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2526 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 10:32:45,939 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:32:46,003 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:32:46,011 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4925093632958801) internal successors, (13549), 9078 states have internal predecessors, (13549), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:32:46,021 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13575 transitions.
[2024-12-02 10:32:46,021 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13575 transitions. Word has length 1976
[2024-12-02 10:32:46,022 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:32:46,022 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13575 transitions.
[2024-12-02 10:32:46,023 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 382.8) internal successors, (1914), 5 states have internal predecessors, (1914), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:46,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13575 transitions.
[2024-12-02 10:32:46,041 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1978
[2024-12-02 10:32:46,041 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:32:46,042 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:32:46,042 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57
[2024-12-02 10:32:46,042 INFO  L396      AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:32:46,042 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:32:46,043 INFO  L85        PathProgramCache]: Analyzing trace with hash -1007542566, now seen corresponding path program 1 times
[2024-12-02 10:32:46,043 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:32:46,043 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363891185]
[2024-12-02 10:32:46,043 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:32:46,043 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:32:50,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:32:53,543 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:32:53,543 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:32:53,543 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363891185]
[2024-12-02 10:32:53,543 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363891185] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:32:53,543 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:32:53,544 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:32:53,544 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543887553]
[2024-12-02 10:32:53,544 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:32:53,545 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:32:53,545 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:32:53,607 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:32:53,607 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:32:53,607 INFO  L87              Difference]: Start difference. First operand 9093 states and 13575 transitions. Second operand  has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:56,114 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:32:56,114 INFO  L93              Difference]: Finished difference Result 16052 states and 23950 transitions.
[2024-12-02 10:32:56,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:32:56,115 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1977
[2024-12-02 10:32:56,116 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:32:56,123 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:32:56,123 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:32:56,128 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:32:56,128 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13297 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13310 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 10:32:56,128 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13310 Valid, 24647 Invalid, 2525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 10:32:56,136 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:32:56,195 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:32:56,202 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4923992068737608) internal successors, (13548), 9078 states have internal predecessors, (13548), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:32:56,211 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13574 transitions.
[2024-12-02 10:32:56,212 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13574 transitions. Word has length 1977
[2024-12-02 10:32:56,213 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:32:56,213 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13574 transitions.
[2024-12-02 10:32:56,213 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:32:56,213 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13574 transitions.
[2024-12-02 10:32:56,230 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1979
[2024-12-02 10:32:56,230 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:32:56,230 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:32:56,230 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58
[2024-12-02 10:32:56,231 INFO  L396      AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:32:56,231 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:32:56,231 INFO  L85        PathProgramCache]: Analyzing trace with hash -1447617588, now seen corresponding path program 1 times
[2024-12-02 10:32:56,231 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:32:56,231 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621907143]
[2024-12-02 10:32:56,232 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:32:56,232 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:33:00,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:33:03,781 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:33:03,781 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:33:03,781 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621907143]
[2024-12-02 10:33:03,781 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621907143] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:33:03,781 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:33:03,781 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:33:03,782 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175078852]
[2024-12-02 10:33:03,782 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:33:03,783 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:33:03,783 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:33:03,784 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:33:03,784 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:33:03,785 INFO  L87              Difference]: Start difference. First operand 9093 states and 13574 transitions. Second operand  has 5 states, 5 states have (on average 383.2) internal successors, (1916), 5 states have internal predecessors, (1916), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:33:05,744 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:33:05,744 INFO  L93              Difference]: Finished difference Result 16052 states and 23948 transitions.
[2024-12-02 10:33:05,745 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:33:05,745 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 383.2) internal successors, (1916), 5 states have internal predecessors, (1916), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1978
[2024-12-02 10:33:05,746 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:33:05,753 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:33:05,753 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:33:05,758 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:33:05,758 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13293 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2522 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13306 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-12-02 10:33:05,758 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13306 Valid, 24647 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2522 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-12-02 10:33:05,767 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:33:05,832 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:33:05,839 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4922890504516413) internal successors, (13547), 9078 states have internal predecessors, (13547), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:33:05,849 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13573 transitions.
[2024-12-02 10:33:05,849 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13573 transitions. Word has length 1978
[2024-12-02 10:33:05,850 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:33:05,850 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13573 transitions.
[2024-12-02 10:33:05,850 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 383.2) internal successors, (1916), 5 states have internal predecessors, (1916), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:33:05,851 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13573 transitions.
[2024-12-02 10:33:05,870 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1980
[2024-12-02 10:33:05,870 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:33:05,870 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 10:33:05,871 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59
[2024-12-02 10:33:05,871 INFO  L396      AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:33:05,871 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:33:05,871 INFO  L85        PathProgramCache]: Analyzing trace with hash -2054750015, now seen corresponding path program 1 times
[2024-12-02 10:33:05,871 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:33:05,871 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820300619]
[2024-12-02 10:33:05,872 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:33:05,872 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:33:09,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:33:12,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-12-02 10:33:12,677 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:33:12,677 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820300619]
[2024-12-02 10:33:12,677 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820300619] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:33:12,677 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:33:12,677 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:33:12,677 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229978909]
[2024-12-02 10:33:12,677 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:33:12,679 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:33:12,679 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:33:12,680 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:33:12,680 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:33:12,680 INFO  L87              Difference]: Start difference. First operand 9093 states and 13573 transitions. Second operand  has 5 states, 5 states have (on average 383.4) internal successors, (1917), 5 states have internal predecessors, (1917), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:33:14,664 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:33:14,664 INFO  L93              Difference]: Finished difference Result 16052 states and 23946 transitions.
[2024-12-02 10:33:14,665 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:33:14,665 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 383.4) internal successors, (1917), 5 states have internal predecessors, (1917), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1979
[2024-12-02 10:33:14,666 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:33:14,673 INFO  L225             Difference]: With dead ends: 16052
[2024-12-02 10:33:14,673 INFO  L226             Difference]: Without dead ends: 9093
[2024-12-02 10:33:14,677 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:33:14,678 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25306 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25319 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-12-02 10:33:14,678 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25319 Valid, 24630 Invalid, 2521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2520 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-12-02 10:33:14,685 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-12-02 10:33:14,742 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-12-02 10:33:14,749 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.492178894029522) internal successors, (13546), 9078 states have internal predecessors, (13546), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 10:33:14,758 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13572 transitions.
[2024-12-02 10:33:14,758 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13572 transitions. Word has length 1979
[2024-12-02 10:33:14,759 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:33:14,759 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13572 transitions.
[2024-12-02 10:33:14,760 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 383.4) internal successors, (1917), 5 states have internal predecessors, (1917), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-12-02 10:33:14,760 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13572 transitions.
[2024-12-02 10:33:14,776 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1981
[2024-12-02 10:33:14,777 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:33:14,777 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:14,777 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60
[2024-12-02 10:33:14,777 INFO  L396      AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:33:14,777 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:33:14,778 INFO  L85        PathProgramCache]: Analyzing trace with hash -1465664557, now seen corresponding path program 1 times
[2024-12-02 10:33:14,778 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:33:14,778 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590676543]
[2024-12-02 10:33:14,778 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:33:14,778 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms