./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/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_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/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_32ae5a10-f66f-414d-9f42-d5ae09ae440a/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 43eecf18c4fa6957dd491b119bf4e71f16d22755a6aeb07fea7d0a19b8daaf31
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 14:24:44,713 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 14:24:44,767 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 14:24:44,770 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 14:24:44,770 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 14:24:44,791 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 14:24:44,792 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 14:24:44,792 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 14:24:44,793 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 14:24:44,793 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 14:24:44,793 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 14:24:44,793 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 14:24:44,793 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 14:24:44,793 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 14:24:44,794 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 14:24:44,794 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 14:24:44,794 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 14:24:44,794 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 14:24:44,794 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 14:24:44,794 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 14:24:44,794 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 14:24:44,794 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 14:24:44,794 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 14:24:44,795 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 14:24:44,795 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 14:24:44,795 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 14:24:44,795 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 14:24:44,795 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:24:44,795 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 14:24:44,795 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:24:44,795 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 14:24:44,795 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 14:24:44,796 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:24:44,796 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 14:24:44,796 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:24:44,796 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 14:24:44,796 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 14:24:44,796 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 14:24:44,796 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 14:24:44,796 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 14:24:44,796 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 14:24:44,797 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 14:24:44,797 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 14:24:44,797 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 14:24:44,797 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 14:24:44,797 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_32ae5a10-f66f-414d-9f42-d5ae09ae440a/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 -> 43eecf18c4fa6957dd491b119bf4e71f16d22755a6aeb07fea7d0a19b8daaf31
[2024-12-02 14:24:45,013 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 14:24:45,020 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 14:24:45,023 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 14:24:45,024 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 14:24:45,024 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 14:24:45,025 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-back-serstep.c
[2024-12-02 14:24:47,644 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/data/c2750ab00/50cb6ed742dd4b779ba9c658d870ef7d/FLAG3f21b7de2
[2024-12-02 14:24:48,026 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 14:24:48,026 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-back-serstep.c
[2024-12-02 14:24:48,049 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/data/c2750ab00/50cb6ed742dd4b779ba9c658d870ef7d/FLAG3f21b7de2
[2024-12-02 14:24:48,226 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/data/c2750ab00/50cb6ed742dd4b779ba9c658d870ef7d
[2024-12-02 14:24:48,228 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 14:24:48,229 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 14:24:48,230 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 14:24:48,230 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 14:24:48,233 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 14:24:48,234 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:24:48" (1/1) ...
[2024-12-02 14:24:48,234 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4e556b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:48, skipping insertion in model container
[2024-12-02 14:24:48,235 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:24:48" (1/1) ...
[2024-12-02 14:24:48,315 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 14:24:48,519 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_32ae5a10-f66f-414d-9f42-d5ae09ae440a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-back-serstep.c[1177,1190]
[2024-12-02 14:24:49,100 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:24:49,110 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 14:24:49,117 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_32ae5a10-f66f-414d-9f42-d5ae09ae440a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-back-serstep.c[1177,1190]
[2024-12-02 14:24:49,482 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:24:49,492 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 14:24:49,493 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49 WrapperNode
[2024-12-02 14:24:49,493 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 14:24:49,494 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 14:24:49,494 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 14:24:49,494 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 14:24:49,499 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:49,608 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:50,966 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20616
[2024-12-02 14:24:50,966 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 14:24:50,967 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 14:24:50,967 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 14:24:50,967 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 14:24:50,976 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:50,976 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:51,376 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:51,601 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 14:24:51,601 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:51,602 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:51,916 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:51,955 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:52,020 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:52,096 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:52,154 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:52,426 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 14:24:52,427 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 14:24:52,427 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 14:24:52,427 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 14:24:52,428 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (1/1) ...
[2024-12-02 14:24:52,434 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:24:52,445 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:24:52,458 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 14:24:52,460 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ae5a10-f66f-414d-9f42-d5ae09ae440a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 14:24:52,484 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 14:24:52,485 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 14:24:52,485 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 14:24:52,485 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 14:24:53,586 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 14:24:53,588 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 14:25:40,916 INFO  L?                        ?]: Removed 11159 outVars from TransFormulas that were not future-live.
[2024-12-02 14:25:40,916 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 14:25:40,986 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 14:25:40,987 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 14:25:40,987 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:25:40 BoogieIcfgContainer
[2024-12-02 14:25:40,987 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 14:25:40,989 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 14:25:40,989 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 14:25:40,993 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 14:25:40,993 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:24:48" (1/3) ...
[2024-12-02 14:25:40,994 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5861d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:25:40, skipping insertion in model container
[2024-12-02 14:25:40,994 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:49" (2/3) ...
[2024-12-02 14:25:40,994 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5861d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:25:40, skipping insertion in model container
[2024-12-02 14:25:40,994 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:25:40" (3/3) ...
[2024-12-02 14:25:40,996 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.telephony.3.prop1-back-serstep.c
[2024-12-02 14:25:41,008 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 14:25:41,009 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.telephony.3.prop1-back-serstep.c that has 1 procedures, 7196 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 14:25:41,124 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 14:25:41,134 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;@a05ec68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 14:25:41,134 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 14:25:41,149 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 7196 states, 7194 states have (on average 1.5036141228801778) internal successors, (10817), 7195 states have internal predecessors, (10817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:41,179 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 576
[2024-12-02 14:25:41,180 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:25:41,180 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:41,181 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:25:41,185 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:25:41,185 INFO  L85        PathProgramCache]: Analyzing trace with hash -1584040971, now seen corresponding path program 1 times
[2024-12-02 14:25:41,191 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:25:41,191 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261843265]
[2024-12-02 14:25:41,192 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:25:41,192 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:25:41,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:25:43,224 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:25:43,224 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:25:43,225 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261843265]
[2024-12-02 14:25:43,225 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261843265] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:25:43,225 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:25:43,226 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:25:43,227 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197484435]
[2024-12-02 14:25:43,228 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:25:43,232 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:25:43,233 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:25:43,249 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:25:43,250 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:25:43,260 INFO  L87              Difference]: Start difference. First operand  has 7196 states, 7194 states have (on average 1.5036141228801778) internal successors, (10817), 7195 states have internal predecessors, (10817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:43,570 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:25:43,570 INFO  L93              Difference]: Finished difference Result 14141 states and 21261 transitions.
[2024-12-02 14:25:43,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:25:43,572 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 575
[2024-12-02 14:25:43,575 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:25:43,608 INFO  L225             Difference]: With dead ends: 14141
[2024-12-02 14:25:43,608 INFO  L226             Difference]: Without dead ends: 7195
[2024-12-02 14:25:43,620 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 14:25:43,623 INFO  L435           NwaCegarLoop]: 10811 mSDtfsCounter, 0 mSDsluCounter, 21616 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32427 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:25:43,624 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32427 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:25:43,646 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7195 states.
[2024-12-02 14:25:43,782 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7195 to 7195.
[2024-12-02 14:25:43,794 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7195 states, 7194 states have (on average 1.5033361134278564) internal successors, (10815), 7194 states have internal predecessors, (10815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:43,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7195 states to 7195 states and 10815 transitions.
[2024-12-02 14:25:43,821 INFO  L78                 Accepts]: Start accepts. Automaton has 7195 states and 10815 transitions. Word has length 575
[2024-12-02 14:25:43,822 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:25:43,822 INFO  L471      AbstractCegarLoop]: Abstraction has 7195 states and 10815 transitions.
[2024-12-02 14:25:43,823 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:43,823 INFO  L276                IsEmpty]: Start isEmpty. Operand 7195 states and 10815 transitions.
[2024-12-02 14:25:43,832 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 577
[2024-12-02 14:25:43,833 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:25:43,833 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:43,833 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 14:25:43,833 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:25:43,834 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:25:43,834 INFO  L85        PathProgramCache]: Analyzing trace with hash -1858930987, now seen corresponding path program 1 times
[2024-12-02 14:25:43,834 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:25:43,835 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032897490]
[2024-12-02 14:25:43,835 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:25:43,835 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:25:44,043 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:25:44,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:25:44,743 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:25:44,743 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032897490]
[2024-12-02 14:25:44,744 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032897490] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:25:44,744 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:25:44,744 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:25:44,744 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334385695]
[2024-12-02 14:25:44,744 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:25:44,746 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:25:44,746 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:25:44,747 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:25:44,747 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:25:44,748 INFO  L87              Difference]: Start difference. First operand 7195 states and 10815 transitions. Second operand  has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:45,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:25:45,149 INFO  L93              Difference]: Finished difference Result 14142 states and 21259 transitions.
[2024-12-02 14:25:45,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:25:45,150 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 576
[2024-12-02 14:25:45,152 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:25:45,177 INFO  L225             Difference]: With dead ends: 14142
[2024-12-02 14:25:45,177 INFO  L226             Difference]: Without dead ends: 7197
[2024-12-02 14:25:45,185 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 14:25:45,187 INFO  L435           NwaCegarLoop]: 10811 mSDtfsCounter, 0 mSDsluCounter, 21612 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32423 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:25:45,188 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32423 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:25:45,201 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7197 states.
[2024-12-02 14:25:45,333 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7197 to 7197.
[2024-12-02 14:25:45,350 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7197 states, 7196 states have (on average 1.5031962201222901) internal successors, (10817), 7196 states have internal predecessors, (10817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:45,390 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7197 states to 7197 states and 10817 transitions.
[2024-12-02 14:25:45,391 INFO  L78                 Accepts]: Start accepts. Automaton has 7197 states and 10817 transitions. Word has length 576
[2024-12-02 14:25:45,394 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:25:45,395 INFO  L471      AbstractCegarLoop]: Abstraction has 7197 states and 10817 transitions.
[2024-12-02 14:25:45,395 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:45,395 INFO  L276                IsEmpty]: Start isEmpty. Operand 7197 states and 10817 transitions.
[2024-12-02 14:25:45,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 578
[2024-12-02 14:25:45,411 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:25:45,411 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:45,411 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 14:25:45,412 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:25:45,412 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:25:45,413 INFO  L85        PathProgramCache]: Analyzing trace with hash 1404719310, now seen corresponding path program 1 times
[2024-12-02 14:25:45,413 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:25:45,413 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417021109]
[2024-12-02 14:25:45,414 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:25:45,414 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:25:45,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:25:47,010 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:25:47,011 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:25:47,011 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417021109]
[2024-12-02 14:25:47,011 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417021109] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:25:47,011 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:25:47,012 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:25:47,012 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142436223]
[2024-12-02 14:25:47,012 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:25:47,013 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:25:47,013 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:25:47,014 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:25:47,014 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:25:47,015 INFO  L87              Difference]: Start difference. First operand 7197 states and 10817 transitions. Second operand  has 4 states, 4 states have (on average 144.25) internal successors, (577), 4 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:47,272 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:25:47,272 INFO  L93              Difference]: Finished difference Result 14146 states and 21263 transitions.
[2024-12-02 14:25:47,272 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:25:47,274 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 144.25) internal successors, (577), 4 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 577
[2024-12-02 14:25:47,275 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:25:47,301 INFO  L225             Difference]: With dead ends: 14146
[2024-12-02 14:25:47,301 INFO  L226             Difference]: Without dead ends: 7199
[2024-12-02 14:25:47,309 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 14:25:47,310 INFO  L435           NwaCegarLoop]: 10811 mSDtfsCounter, 0 mSDsluCounter, 21612 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32423 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:25:47,310 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32423 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:25:47,322 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7199 states.
[2024-12-02 14:25:47,445 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7199 to 7199.
[2024-12-02 14:25:47,457 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7199 states, 7198 states have (on average 1.5030564045568213) internal successors, (10819), 7198 states have internal predecessors, (10819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:47,488 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7199 states to 7199 states and 10819 transitions.
[2024-12-02 14:25:47,489 INFO  L78                 Accepts]: Start accepts. Automaton has 7199 states and 10819 transitions. Word has length 577
[2024-12-02 14:25:47,490 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:25:47,490 INFO  L471      AbstractCegarLoop]: Abstraction has 7199 states and 10819 transitions.
[2024-12-02 14:25:47,490 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 144.25) internal successors, (577), 4 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:47,490 INFO  L276                IsEmpty]: Start isEmpty. Operand 7199 states and 10819 transitions.
[2024-12-02 14:25:47,505 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 579
[2024-12-02 14:25:47,505 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:25:47,506 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:47,506 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 14:25:47,506 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:25:47,507 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:25:47,507 INFO  L85        PathProgramCache]: Analyzing trace with hash 1505516156, now seen corresponding path program 1 times
[2024-12-02 14:25:47,507 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:25:47,507 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868616688]
[2024-12-02 14:25:47,507 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:25:47,508 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:25:47,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:25:48,699 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:25:48,700 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:25:48,700 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868616688]
[2024-12-02 14:25:48,700 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868616688] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:25:48,700 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:25:48,700 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:25:48,700 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493654246]
[2024-12-02 14:25:48,701 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:25:48,701 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:25:48,702 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:25:48,702 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:25:48,702 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:25:48,703 INFO  L87              Difference]: Start difference. First operand 7199 states and 10819 transitions. Second operand  has 5 states, 5 states have (on average 115.6) internal successors, (578), 5 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:48,963 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:25:48,963 INFO  L93              Difference]: Finished difference Result 21083 states and 31690 transitions.
[2024-12-02 14:25:48,963 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:25:48,964 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 115.6) internal successors, (578), 5 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 578
[2024-12-02 14:25:48,965 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:25:49,000 INFO  L225             Difference]: With dead ends: 21083
[2024-12-02 14:25:49,000 INFO  L226             Difference]: Without dead ends: 14134
[2024-12-02 14:25:49,008 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:25:49,009 INFO  L435           NwaCegarLoop]: 10809 mSDtfsCounter, 10227 mSDsluCounter, 32048 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10227 SdHoareTripleChecker+Valid, 42857 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:25:49,009 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10227 Valid, 42857 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:25:49,024 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14134 states.
[2024-12-02 14:25:49,143 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14134 to 8083.
[2024-12-02 14:25:49,152 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8083 states, 8082 states have (on average 1.5027220984904726) internal successors, (12145), 8082 states have internal predecessors, (12145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:49,166 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8083 states to 8083 states and 12145 transitions.
[2024-12-02 14:25:49,166 INFO  L78                 Accepts]: Start accepts. Automaton has 8083 states and 12145 transitions. Word has length 578
[2024-12-02 14:25:49,166 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:25:49,166 INFO  L471      AbstractCegarLoop]: Abstraction has 8083 states and 12145 transitions.
[2024-12-02 14:25:49,167 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 115.6) internal successors, (578), 5 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:25:49,167 INFO  L276                IsEmpty]: Start isEmpty. Operand 8083 states and 12145 transitions.
[2024-12-02 14:25:49,237 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3970
[2024-12-02 14:25:49,237 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:25:49,238 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:25:49,238 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 14:25:49,238 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:25:49,240 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:25:49,241 INFO  L85        PathProgramCache]: Analyzing trace with hash -1755905579, now seen corresponding path program 1 times
[2024-12-02 14:25:49,241 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:25:49,241 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097111186]
[2024-12-02 14:25:49,242 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:25:49,242 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:25:56,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:26:02,849 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:26:02,849 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:26:02,850 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097111186]
[2024-12-02 14:26:02,850 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097111186] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:26:02,850 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:26:02,850 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:26:02,850 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201732301]
[2024-12-02 14:26:02,850 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:26:02,854 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:26:02,854 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:26:02,857 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:26:02,857 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:02,858 INFO  L87              Difference]: Start difference. First operand 8083 states and 12145 transitions. Second operand  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:02,972 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:26:02,972 INFO  L93              Difference]: Finished difference Result 15033 states and 22592 transitions.
[2024-12-02 14:26:02,972 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:26:02,973 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3969
[2024-12-02 14:26:02,975 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:26:02,989 INFO  L225             Difference]: With dead ends: 15033
[2024-12-02 14:26:02,989 INFO  L226             Difference]: Without dead ends: 8084
[2024-12-02 14:26:02,996 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:02,997 INFO  L435           NwaCegarLoop]: 10812 mSDtfsCounter, 0 mSDsluCounter, 10806 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21618 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:26:02,997 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:26:03,008 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8084 states.
[2024-12-02 14:26:03,117 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8084 to 8084.
[2024-12-02 14:26:03,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8084 states, 8083 states have (on average 1.5026599035011754) internal successors, (12146), 8083 states have internal predecessors, (12146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:03,142 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8084 states to 8084 states and 12146 transitions.
[2024-12-02 14:26:03,142 INFO  L78                 Accepts]: Start accepts. Automaton has 8084 states and 12146 transitions. Word has length 3969
[2024-12-02 14:26:03,144 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:26:03,144 INFO  L471      AbstractCegarLoop]: Abstraction has 8084 states and 12146 transitions.
[2024-12-02 14:26:03,144 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:03,145 INFO  L276                IsEmpty]: Start isEmpty. Operand 8084 states and 12146 transitions.
[2024-12-02 14:26:03,321 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3970
[2024-12-02 14:26:03,321 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:26:03,323 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:26:03,323 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 14:26:03,324 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:26:03,325 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:26:03,327 INFO  L85        PathProgramCache]: Analyzing trace with hash -1999213052, now seen corresponding path program 1 times
[2024-12-02 14:26:03,327 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:26:03,327 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248037956]
[2024-12-02 14:26:03,328 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:26:03,328 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:26:07,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:26:13,630 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:26:13,630 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:26:13,630 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248037956]
[2024-12-02 14:26:13,630 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248037956] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:26:13,630 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:26:13,630 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:26:13,631 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781473820]
[2024-12-02 14:26:13,631 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:26:13,634 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:26:13,634 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:26:13,637 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:26:13,637 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:13,638 INFO  L87              Difference]: Start difference. First operand 8084 states and 12146 transitions. Second operand  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:13,742 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:26:13,742 INFO  L93              Difference]: Finished difference Result 15035 states and 22594 transitions.
[2024-12-02 14:26:13,743 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:26:13,744 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3969
[2024-12-02 14:26:13,746 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:26:13,759 INFO  L225             Difference]: With dead ends: 15035
[2024-12-02 14:26:13,759 INFO  L226             Difference]: Without dead ends: 8085
[2024-12-02 14:26:13,764 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:13,765 INFO  L435           NwaCegarLoop]: 10812 mSDtfsCounter, 0 mSDsluCounter, 10806 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21618 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:26:13,765 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:26:13,776 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8085 states.
[2024-12-02 14:26:13,876 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8085 to 8085.
[2024-12-02 14:26:13,885 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8085 states, 8084 states have (on average 1.5025977238990598) internal successors, (12147), 8084 states have internal predecessors, (12147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:13,898 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8085 states to 8085 states and 12147 transitions.
[2024-12-02 14:26:13,898 INFO  L78                 Accepts]: Start accepts. Automaton has 8085 states and 12147 transitions. Word has length 3969
[2024-12-02 14:26:13,900 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:26:13,900 INFO  L471      AbstractCegarLoop]: Abstraction has 8085 states and 12147 transitions.
[2024-12-02 14:26:13,901 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:13,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 8085 states and 12147 transitions.
[2024-12-02 14:26:14,079 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3970
[2024-12-02 14:26:14,080 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:26:14,082 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:26:14,082 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 14:26:14,082 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:26:14,083 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:26:14,085 INFO  L85        PathProgramCache]: Analyzing trace with hash -1049180939, now seen corresponding path program 1 times
[2024-12-02 14:26:14,085 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:26:14,085 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534139240]
[2024-12-02 14:26:14,086 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:26:14,086 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:26:19,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:26:25,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:26:25,880 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:26:25,880 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534139240]
[2024-12-02 14:26:25,880 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534139240] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:26:25,880 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:26:25,880 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:26:25,880 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630496920]
[2024-12-02 14:26:25,881 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:26:25,882 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:26:25,882 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:26:25,884 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:26:25,884 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:25,886 INFO  L87              Difference]: Start difference. First operand 8085 states and 12147 transitions. Second operand  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:25,953 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:26:25,953 INFO  L93              Difference]: Finished difference Result 15037 states and 22596 transitions.
[2024-12-02 14:26:25,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:26:25,954 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3969
[2024-12-02 14:26:25,955 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:26:25,966 INFO  L225             Difference]: With dead ends: 15037
[2024-12-02 14:26:25,967 INFO  L226             Difference]: Without dead ends: 8086
[2024-12-02 14:26:25,971 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:25,972 INFO  L435           NwaCegarLoop]: 10812 mSDtfsCounter, 0 mSDsluCounter, 10806 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21618 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:26:25,972 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:26:25,979 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8086 states.
[2024-12-02 14:26:26,035 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8086 to 8086.
[2024-12-02 14:26:26,043 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8086 states, 8085 states have (on average 1.502535559678417) internal successors, (12148), 8085 states have internal predecessors, (12148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:26,051 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8086 states to 8086 states and 12148 transitions.
[2024-12-02 14:26:26,051 INFO  L78                 Accepts]: Start accepts. Automaton has 8086 states and 12148 transitions. Word has length 3969
[2024-12-02 14:26:26,052 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:26:26,052 INFO  L471      AbstractCegarLoop]: Abstraction has 8086 states and 12148 transitions.
[2024-12-02 14:26:26,053 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:26,053 INFO  L276                IsEmpty]: Start isEmpty. Operand 8086 states and 12148 transitions.
[2024-12-02 14:26:26,297 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3970
[2024-12-02 14:26:26,297 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:26:26,299 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:26:26,299 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 14:26:26,300 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:26:26,301 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:26:26,302 INFO  L85        PathProgramCache]: Analyzing trace with hash -1826706652, now seen corresponding path program 1 times
[2024-12-02 14:26:26,302 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:26:26,302 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883394429]
[2024-12-02 14:26:26,303 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:26:26,303 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:26:30,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:26:36,672 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:26:36,672 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:26:36,673 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883394429]
[2024-12-02 14:26:36,673 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883394429] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:26:36,673 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:26:36,673 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:26:36,673 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234910712]
[2024-12-02 14:26:36,673 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:26:36,675 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:26:36,675 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:26:36,677 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:26:36,677 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:36,678 INFO  L87              Difference]: Start difference. First operand 8086 states and 12148 transitions. Second operand  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:36,756 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:26:36,756 INFO  L93              Difference]: Finished difference Result 15039 states and 22598 transitions.
[2024-12-02 14:26:36,756 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:26:36,757 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3969
[2024-12-02 14:26:36,758 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:26:36,775 INFO  L225             Difference]: With dead ends: 15039
[2024-12-02 14:26:36,775 INFO  L226             Difference]: Without dead ends: 8087
[2024-12-02 14:26:36,781 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:36,782 INFO  L435           NwaCegarLoop]: 10812 mSDtfsCounter, 0 mSDsluCounter, 10806 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21618 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:26:36,782 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:26:36,791 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8087 states.
[2024-12-02 14:26:36,862 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8087 to 8087.
[2024-12-02 14:26:36,871 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8087 states, 8086 states have (on average 1.5024734108335394) internal successors, (12149), 8086 states have internal predecessors, (12149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:36,882 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8087 states to 8087 states and 12149 transitions.
[2024-12-02 14:26:36,883 INFO  L78                 Accepts]: Start accepts. Automaton has 8087 states and 12149 transitions. Word has length 3969
[2024-12-02 14:26:36,884 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:26:36,884 INFO  L471      AbstractCegarLoop]: Abstraction has 8087 states and 12149 transitions.
[2024-12-02 14:26:36,885 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:36,886 INFO  L276                IsEmpty]: Start isEmpty. Operand 8087 states and 12149 transitions.
[2024-12-02 14:26:36,985 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3970
[2024-12-02 14:26:36,985 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:26:36,987 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:26:36,987 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 14:26:36,987 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:26:36,988 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:26:36,990 INFO  L85        PathProgramCache]: Analyzing trace with hash -1940888365, now seen corresponding path program 1 times
[2024-12-02 14:26:36,990 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:26:36,990 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597543785]
[2024-12-02 14:26:36,991 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:26:36,991 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:26:41,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:26:46,906 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:26:46,907 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:26:46,907 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597543785]
[2024-12-02 14:26:46,907 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597543785] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:26:46,907 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:26:46,907 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:26:46,907 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477689213]
[2024-12-02 14:26:46,907 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:26:46,911 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:26:46,911 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:26:46,914 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:26:46,914 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:46,914 INFO  L87              Difference]: Start difference. First operand 8087 states and 12149 transitions. Second operand  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:46,987 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:26:46,987 INFO  L93              Difference]: Finished difference Result 15041 states and 22600 transitions.
[2024-12-02 14:26:46,987 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:26:46,988 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3969
[2024-12-02 14:26:46,990 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:26:46,999 INFO  L225             Difference]: With dead ends: 15041
[2024-12-02 14:26:46,999 INFO  L226             Difference]: Without dead ends: 8088
[2024-12-02 14:26:47,006 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:47,006 INFO  L435           NwaCegarLoop]: 10812 mSDtfsCounter, 0 mSDsluCounter, 10806 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21618 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:26:47,007 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:26:47,017 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8088 states.
[2024-12-02 14:26:47,092 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8088 to 8088.
[2024-12-02 14:26:47,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8088 states, 8087 states have (on average 1.502411277358724) internal successors, (12150), 8087 states have internal predecessors, (12150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:47,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8088 states to 8088 states and 12150 transitions.
[2024-12-02 14:26:47,429 INFO  L78                 Accepts]: Start accepts. Automaton has 8088 states and 12150 transitions. Word has length 3969
[2024-12-02 14:26:47,431 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:26:47,431 INFO  L471      AbstractCegarLoop]: Abstraction has 8088 states and 12150 transitions.
[2024-12-02 14:26:47,432 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:47,432 INFO  L276                IsEmpty]: Start isEmpty. Operand 8088 states and 12150 transitions.
[2024-12-02 14:26:47,506 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3970
[2024-12-02 14:26:47,507 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:26:47,508 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:26:47,508 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 14:26:47,508 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:26:47,509 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:26:47,511 INFO  L85        PathProgramCache]: Analyzing trace with hash 794775810, now seen corresponding path program 1 times
[2024-12-02 14:26:47,511 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:26:47,511 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743385994]
[2024-12-02 14:26:47,512 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:26:47,512 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:26:51,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:26:57,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:26:57,209 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:26:57,209 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743385994]
[2024-12-02 14:26:57,209 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743385994] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:26:57,209 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:26:57,209 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:26:57,210 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498403339]
[2024-12-02 14:26:57,210 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:26:57,211 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:26:57,211 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:26:57,213 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:26:57,213 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:57,214 INFO  L87              Difference]: Start difference. First operand 8088 states and 12150 transitions. Second operand  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:57,283 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:26:57,283 INFO  L93              Difference]: Finished difference Result 15043 states and 22602 transitions.
[2024-12-02 14:26:57,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:26:57,284 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3969
[2024-12-02 14:26:57,285 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:26:57,291 INFO  L225             Difference]: With dead ends: 15043
[2024-12-02 14:26:57,291 INFO  L226             Difference]: Without dead ends: 8089
[2024-12-02 14:26:57,296 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:26:57,296 INFO  L435           NwaCegarLoop]: 10812 mSDtfsCounter, 0 mSDsluCounter, 10806 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21618 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:26:57,297 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:26:57,304 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8089 states.
[2024-12-02 14:26:57,356 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8089 to 8089.
[2024-12-02 14:26:57,362 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8089 states, 8088 states have (on average 1.502349159248269) internal successors, (12151), 8088 states have internal predecessors, (12151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:57,370 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8089 states to 8089 states and 12151 transitions.
[2024-12-02 14:26:57,370 INFO  L78                 Accepts]: Start accepts. Automaton has 8089 states and 12151 transitions. Word has length 3969
[2024-12-02 14:26:57,371 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:26:57,371 INFO  L471      AbstractCegarLoop]: Abstraction has 8089 states and 12151 transitions.
[2024-12-02 14:26:57,372 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1323.0) internal successors, (3969), 3 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:26:57,372 INFO  L276                IsEmpty]: Start isEmpty. Operand 8089 states and 12151 transitions.
[2024-12-02 14:26:57,475 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3970
[2024-12-02 14:26:57,475 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:26:57,476 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:26:57,476 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 14:26:57,477 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:26:57,477 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:26:57,478 INFO  L85        PathProgramCache]: Analyzing trace with hash 1138130481, now seen corresponding path program 1 times
[2024-12-02 14:26:57,479 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:26:57,479 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691176750]
[2024-12-02 14:26:57,479 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:26:57,479 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:27:01,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:27:08,231 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:27:08,232 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:27:08,232 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691176750]
[2024-12-02 14:27:08,232 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691176750] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:27:08,232 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:27:08,232 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:27:08,232 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792831440]
[2024-12-02 14:27:08,232 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:27:08,235 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:27:08,235 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:27:08,238 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:27:08,238 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:27:08,239 INFO  L87              Difference]: Start difference. First operand 8089 states and 12151 transitions. Second operand  has 4 states, 4 states have (on average 992.25) internal successors, (3969), 4 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:09,258 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:27:09,258 INFO  L93              Difference]: Finished difference Result 14990 states and 22548 transitions.
[2024-12-02 14:27:09,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:27:09,259 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 992.25) internal successors, (3969), 4 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3969
[2024-12-02 14:27:09,261 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:27:09,266 INFO  L225             Difference]: With dead ends: 14990
[2024-12-02 14:27:09,266 INFO  L226             Difference]: Without dead ends: 8035
[2024-12-02 14:27:09,270 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 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 14:27:09,271 INFO  L435           NwaCegarLoop]: 10139 mSDtfsCounter, 8474 mSDsluCounter, 10136 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8474 SdHoareTripleChecker+Valid, 20275 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 14:27:09,271 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8474 Valid, 20275 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 14:27:09,280 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8035 states.
[2024-12-02 14:27:09,344 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8035 to 8035.
[2024-12-02 14:27:09,350 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8035 states, 8034 states have (on average 1.498755290017426) internal successors, (12041), 8034 states have internal predecessors, (12041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:09,357 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8035 states to 8035 states and 12041 transitions.
[2024-12-02 14:27:09,358 INFO  L78                 Accepts]: Start accepts. Automaton has 8035 states and 12041 transitions. Word has length 3969
[2024-12-02 14:27:09,359 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:27:09,359 INFO  L471      AbstractCegarLoop]: Abstraction has 8035 states and 12041 transitions.
[2024-12-02 14:27:09,360 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 992.25) internal successors, (3969), 4 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:09,360 INFO  L276                IsEmpty]: Start isEmpty. Operand 8035 states and 12041 transitions.
[2024-12-02 14:27:09,458 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3971
[2024-12-02 14:27:09,458 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:27:09,460 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:27:09,460 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 14:27:09,460 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:27:09,461 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:27:09,462 INFO  L85        PathProgramCache]: Analyzing trace with hash 1790053416, now seen corresponding path program 1 times
[2024-12-02 14:27:09,462 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:27:09,462 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401229237]
[2024-12-02 14:27:09,462 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:27:09,462 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:27:13,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:27:18,147 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:27:18,147 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:27:18,147 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401229237]
[2024-12-02 14:27:18,147 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401229237] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:27:18,147 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:27:18,148 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:27:18,148 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356653709]
[2024-12-02 14:27:18,148 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:27:18,150 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:27:18,150 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:27:18,152 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:27:18,152 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:27:18,153 INFO  L87              Difference]: Start difference. First operand 8035 states and 12041 transitions. Second operand  has 4 states, 4 states have (on average 992.5) internal successors, (3970), 4 states have internal predecessors, (3970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:18,607 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:27:18,607 INFO  L93              Difference]: Finished difference Result 14939 states and 22386 transitions.
[2024-12-02 14:27:18,608 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:27:18,609 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 992.5) internal successors, (3970), 4 states have internal predecessors, (3970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3970
[2024-12-02 14:27:18,610 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:27:18,615 INFO  L225             Difference]: With dead ends: 14939
[2024-12-02 14:27:18,615 INFO  L226             Difference]: Without dead ends: 8035
[2024-12-02 14:27:18,618 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 14:27:18,619 INFO  L435           NwaCegarLoop]: 10433 mSDtfsCounter, 8468 mSDsluCounter, 10425 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8468 SdHoareTripleChecker+Valid, 20858 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:27:18,619 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8468 Valid, 20858 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 14:27:18,627 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8035 states.
[2024-12-02 14:27:18,691 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8035 to 8035.
[2024-12-02 14:27:18,697 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8035 states, 8034 states have (on average 1.4986308190191686) internal successors, (12040), 8034 states have internal predecessors, (12040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:18,705 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8035 states to 8035 states and 12040 transitions.
[2024-12-02 14:27:18,705 INFO  L78                 Accepts]: Start accepts. Automaton has 8035 states and 12040 transitions. Word has length 3970
[2024-12-02 14:27:18,706 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:27:18,706 INFO  L471      AbstractCegarLoop]: Abstraction has 8035 states and 12040 transitions.
[2024-12-02 14:27:18,707 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 992.5) internal successors, (3970), 4 states have internal predecessors, (3970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:18,707 INFO  L276                IsEmpty]: Start isEmpty. Operand 8035 states and 12040 transitions.
[2024-12-02 14:27:18,770 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3972
[2024-12-02 14:27:18,770 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:27:18,772 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:27:18,772 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 14:27:18,772 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:27:18,773 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:27:18,774 INFO  L85        PathProgramCache]: Analyzing trace with hash -849799031, now seen corresponding path program 1 times
[2024-12-02 14:27:18,774 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:27:18,774 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260626880]
[2024-12-02 14:27:18,774 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:27:18,774 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:27:22,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:27:27,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:27:27,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:27:27,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260626880]
[2024-12-02 14:27:27,679 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260626880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:27:27,679 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:27:27,679 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 14:27:27,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093035897]
[2024-12-02 14:27:27,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:27:27,682 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 14:27:27,682 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:27:27,685 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 14:27:27,685 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:27:27,686 INFO  L87              Difference]: Start difference. First operand 8035 states and 12040 transitions. Second operand  has 6 states, 6 states have (on average 661.8333333333334) internal successors, (3971), 6 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:28,330 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:27:28,330 INFO  L93              Difference]: Finished difference Result 18185 states and 27250 transitions.
[2024-12-02 14:27:28,331 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 14:27:28,331 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 661.8333333333334) internal successors, (3971), 6 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3971
[2024-12-02 14:27:28,333 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:27:28,338 INFO  L225             Difference]: With dead ends: 18185
[2024-12-02 14:27:28,338 INFO  L226             Difference]: Without dead ends: 8035
[2024-12-02 14:27:28,343 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2024-12-02 14:27:28,344 INFO  L435           NwaCegarLoop]: 10612 mSDtfsCounter, 18129 mSDsluCounter, 25742 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18129 SdHoareTripleChecker+Valid, 36354 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 14:27:28,344 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [18129 Valid, 36354 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 14:27:28,350 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8035 states.
[2024-12-02 14:27:28,399 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8035 to 8035.
[2024-12-02 14:27:28,405 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8035 states, 8034 states have (on average 1.498506348020911) internal successors, (12039), 8034 states have internal predecessors, (12039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:28,413 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8035 states to 8035 states and 12039 transitions.
[2024-12-02 14:27:28,413 INFO  L78                 Accepts]: Start accepts. Automaton has 8035 states and 12039 transitions. Word has length 3971
[2024-12-02 14:27:28,413 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:27:28,413 INFO  L471      AbstractCegarLoop]: Abstraction has 8035 states and 12039 transitions.
[2024-12-02 14:27:28,414 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 661.8333333333334) internal successors, (3971), 6 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:28,414 INFO  L276                IsEmpty]: Start isEmpty. Operand 8035 states and 12039 transitions.
[2024-12-02 14:27:28,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3973
[2024-12-02 14:27:28,478 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:27:28,479 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:27:28,479 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 14:27:28,479 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:27:28,480 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:27:28,481 INFO  L85        PathProgramCache]: Analyzing trace with hash -1284606768, now seen corresponding path program 1 times
[2024-12-02 14:27:28,481 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:27:28,481 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123235603]
[2024-12-02 14:27:28,481 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:27:28,482 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:27:29,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:27:32,698 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:27:32,698 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:27:32,698 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123235603]
[2024-12-02 14:27:32,698 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123235603] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:27:32,698 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:27:32,698 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:27:32,699 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105937228]
[2024-12-02 14:27:32,699 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:27:32,700 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:27:32,700 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:27:32,702 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:27:32,703 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:27:32,703 INFO  L87              Difference]: Start difference. First operand 8035 states and 12039 transitions. Second operand  has 4 states, 4 states have (on average 993.0) internal successors, (3972), 4 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:33,665 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:27:33,666 INFO  L93              Difference]: Finished difference Result 18174 states and 27230 transitions.
[2024-12-02 14:27:33,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:27:33,667 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 993.0) internal successors, (3972), 4 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3972
[2024-12-02 14:27:33,668 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:27:33,673 INFO  L225             Difference]: With dead ends: 18174
[2024-12-02 14:27:33,673 INFO  L226             Difference]: Without dead ends: 8035
[2024-12-02 14:27:33,678 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 14:27:33,678 INFO  L435           NwaCegarLoop]: 10526 mSDtfsCounter, 3110 mSDsluCounter, 20688 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3110 SdHoareTripleChecker+Valid, 31214 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:27:33,679 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3110 Valid, 31214 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 14:27:33,685 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8035 states.
[2024-12-02 14:27:33,734 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8035 to 8035.
[2024-12-02 14:27:33,741 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8035 states, 8034 states have (on average 1.4983818770226538) internal successors, (12038), 8034 states have internal predecessors, (12038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:33,748 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8035 states to 8035 states and 12038 transitions.
[2024-12-02 14:27:33,749 INFO  L78                 Accepts]: Start accepts. Automaton has 8035 states and 12038 transitions. Word has length 3972
[2024-12-02 14:27:33,749 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:27:33,750 INFO  L471      AbstractCegarLoop]: Abstraction has 8035 states and 12038 transitions.
[2024-12-02 14:27:33,750 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 993.0) internal successors, (3972), 4 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:33,750 INFO  L276                IsEmpty]: Start isEmpty. Operand 8035 states and 12038 transitions.
[2024-12-02 14:27:33,818 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3973
[2024-12-02 14:27:33,818 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:27:33,819 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:27:33,819 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 14:27:33,819 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:27:33,820 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:27:33,821 INFO  L85        PathProgramCache]: Analyzing trace with hash -1641804513, now seen corresponding path program 1 times
[2024-12-02 14:27:33,821 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:27:33,821 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506108877]
[2024-12-02 14:27:33,822 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:27:33,822 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:27:38,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:27:46,830 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:27:46,830 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:27:46,830 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506108877]
[2024-12-02 14:27:46,830 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506108877] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:27:46,830 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:27:46,831 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 14:27:46,831 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120592389]
[2024-12-02 14:27:46,831 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:27:46,834 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 14:27:46,834 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:27:46,837 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 14:27:46,838 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:27:46,839 INFO  L87              Difference]: Start difference. First operand 8035 states and 12038 transitions. Second operand  has 6 states, 6 states have (on average 662.0) internal successors, (3972), 6 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:48,461 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:27:48,461 INFO  L93              Difference]: Finished difference Result 14942 states and 22385 transitions.
[2024-12-02 14:27:48,461 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:27:48,462 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 662.0) internal successors, (3972), 6 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3972
[2024-12-02 14:27:48,462 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:27:48,467 INFO  L225             Difference]: With dead ends: 14942
[2024-12-02 14:27:48,467 INFO  L226             Difference]: Without dead ends: 8041
[2024-12-02 14:27:48,471 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:27:48,472 INFO  L435           NwaCegarLoop]: 9904 mSDtfsCounter, 20202 mSDsluCounter, 9902 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20202 SdHoareTripleChecker+Valid, 19806 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-12-02 14:27:48,472 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [20202 Valid, 19806 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1592 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-12-02 14:27:48,481 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8041 states.
[2024-12-02 14:27:48,546 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8041 to 8035.
[2024-12-02 14:27:48,552 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8035 states, 8034 states have (on average 1.4982574060243963) internal successors, (12037), 8034 states have internal predecessors, (12037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:48,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8035 states to 8035 states and 12037 transitions.
[2024-12-02 14:27:48,560 INFO  L78                 Accepts]: Start accepts. Automaton has 8035 states and 12037 transitions. Word has length 3972
[2024-12-02 14:27:48,561 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:27:48,561 INFO  L471      AbstractCegarLoop]: Abstraction has 8035 states and 12037 transitions.
[2024-12-02 14:27:48,562 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 662.0) internal successors, (3972), 6 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:48,562 INFO  L276                IsEmpty]: Start isEmpty. Operand 8035 states and 12037 transitions.
[2024-12-02 14:27:48,656 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3974
[2024-12-02 14:27:48,656 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:27:48,657 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:27:48,657 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 14:27:48,657 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:27:48,658 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:27:48,659 INFO  L85        PathProgramCache]: Analyzing trace with hash 13659617, now seen corresponding path program 1 times
[2024-12-02 14:27:48,659 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:27:48,659 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937668702]
[2024-12-02 14:27:48,659 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:27:48,660 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:27:52,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:27:57,526 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:27:57,526 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:27:57,526 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937668702]
[2024-12-02 14:27:57,526 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937668702] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:27:57,526 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:27:57,527 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:27:57,527 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007826249]
[2024-12-02 14:27:57,527 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:27:57,531 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:27:57,531 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:27:57,536 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:27:57,536 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:27:57,537 INFO  L87              Difference]: Start difference. First operand 8035 states and 12037 transitions. Second operand  has 5 states, 5 states have (on average 794.6) internal successors, (3973), 5 states have internal predecessors, (3973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:57,795 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:27:57,795 INFO  L93              Difference]: Finished difference Result 14937 states and 22376 transitions.
[2024-12-02 14:27:57,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:27:57,796 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 794.6) internal successors, (3973), 5 states have internal predecessors, (3973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3973
[2024-12-02 14:27:57,797 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:27:57,803 INFO  L225             Difference]: With dead ends: 14937
[2024-12-02 14:27:57,803 INFO  L226             Difference]: Without dead ends: 8036
[2024-12-02 14:27:57,808 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:27:57,808 INFO  L435           NwaCegarLoop]: 10658 mSDtfsCounter, 10104 mSDsluCounter, 21311 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10104 SdHoareTripleChecker+Valid, 31969 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:27:57,808 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10104 Valid, 31969 Invalid, 118 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:27:57,817 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8036 states.
[2024-12-02 14:27:57,907 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8036 to 8036.
[2024-12-02 14:27:57,914 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8036 states, 8035 states have (on average 1.4981953951462352) internal successors, (12038), 8035 states have internal predecessors, (12038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:57,926 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8036 states to 8036 states and 12038 transitions.
[2024-12-02 14:27:57,926 INFO  L78                 Accepts]: Start accepts. Automaton has 8036 states and 12038 transitions. Word has length 3973
[2024-12-02 14:27:57,927 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:27:57,927 INFO  L471      AbstractCegarLoop]: Abstraction has 8036 states and 12038 transitions.
[2024-12-02 14:27:57,928 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 794.6) internal successors, (3973), 5 states have internal predecessors, (3973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:27:57,928 INFO  L276                IsEmpty]: Start isEmpty. Operand 8036 states and 12038 transitions.
[2024-12-02 14:27:58,096 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3974
[2024-12-02 14:27:58,096 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:27:58,098 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:27:58,098 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 14:27:58,098 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:27:58,099 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:27:58,100 INFO  L85        PathProgramCache]: Analyzing trace with hash 488571297, now seen corresponding path program 1 times
[2024-12-02 14:27:58,100 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:27:58,100 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43164146]
[2024-12-02 14:27:58,100 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:27:58,100 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:28:04,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:28:09,199 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:28:09,199 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:28:09,199 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43164146]
[2024-12-02 14:28:09,199 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43164146] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:28:09,199 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:28:09,199 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:28:09,200 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394535575]
[2024-12-02 14:28:09,200 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:28:09,201 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:28:09,201 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:28:09,203 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:28:09,203 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:28:09,204 INFO  L87              Difference]: Start difference. First operand 8036 states and 12038 transitions. Second operand  has 5 states, 5 states have (on average 794.6) internal successors, (3973), 5 states have internal predecessors, (3973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:09,713 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:28:09,714 INFO  L93              Difference]: Finished difference Result 14938 states and 22376 transitions.
[2024-12-02 14:28:09,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:28:09,715 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 794.6) internal successors, (3973), 5 states have internal predecessors, (3973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3973
[2024-12-02 14:28:09,715 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:28:09,720 INFO  L225             Difference]: With dead ends: 14938
[2024-12-02 14:28:09,720 INFO  L226             Difference]: Without dead ends: 8036
[2024-12-02 14:28:09,725 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:28:09,725 INFO  L435           NwaCegarLoop]: 10393 mSDtfsCounter, 10688 mSDsluCounter, 10391 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10688 SdHoareTripleChecker+Valid, 20784 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:28:09,725 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10688 Valid, 20784 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 14:28:09,732 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8036 states.
[2024-12-02 14:28:09,779 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8036 to 8036.
[2024-12-02 14:28:09,785 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8036 states, 8035 states have (on average 1.498070939639079) internal successors, (12037), 8035 states have internal predecessors, (12037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:09,792 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8036 states to 8036 states and 12037 transitions.
[2024-12-02 14:28:09,792 INFO  L78                 Accepts]: Start accepts. Automaton has 8036 states and 12037 transitions. Word has length 3973
[2024-12-02 14:28:09,793 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:28:09,793 INFO  L471      AbstractCegarLoop]: Abstraction has 8036 states and 12037 transitions.
[2024-12-02 14:28:09,793 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 794.6) internal successors, (3973), 5 states have internal predecessors, (3973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:09,793 INFO  L276                IsEmpty]: Start isEmpty. Operand 8036 states and 12037 transitions.
[2024-12-02 14:28:09,859 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3975
[2024-12-02 14:28:09,859 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:28:09,860 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:28:09,860 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 14:28:09,860 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:28:09,861 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:28:09,862 INFO  L85        PathProgramCache]: Analyzing trace with hash 487210435, now seen corresponding path program 1 times
[2024-12-02 14:28:09,862 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:28:09,862 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621311505]
[2024-12-02 14:28:09,863 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:28:09,863 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:28:10,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:28:14,281 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:28:14,281 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:28:14,281 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621311505]
[2024-12-02 14:28:14,281 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621311505] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:28:14,281 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:28:14,282 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:28:14,282 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193588969]
[2024-12-02 14:28:14,282 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:28:14,285 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:28:14,285 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:28:14,288 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:28:14,288 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:28:14,289 INFO  L87              Difference]: Start difference. First operand 8036 states and 12037 transitions. Second operand  has 4 states, 4 states have (on average 993.5) internal successors, (3974), 4 states have internal predecessors, (3974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:15,233 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:28:15,233 INFO  L93              Difference]: Finished difference Result 18144 states and 27178 transitions.
[2024-12-02 14:28:15,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:28:15,234 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 993.5) internal successors, (3974), 4 states have internal predecessors, (3974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3974
[2024-12-02 14:28:15,236 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:28:15,241 INFO  L225             Difference]: With dead ends: 18144
[2024-12-02 14:28:15,241 INFO  L226             Difference]: Without dead ends: 8036
[2024-12-02 14:28:15,247 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 14:28:15,247 INFO  L435           NwaCegarLoop]: 10529 mSDtfsCounter, 3082 mSDsluCounter, 20690 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3082 SdHoareTripleChecker+Valid, 31219 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:28:15,247 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3082 Valid, 31219 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 14:28:15,254 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8036 states.
[2024-12-02 14:28:15,306 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8036 to 8036.
[2024-12-02 14:28:15,312 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8036 states, 8035 states have (on average 1.4979464841319228) internal successors, (12036), 8035 states have internal predecessors, (12036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:15,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8036 states to 8036 states and 12036 transitions.
[2024-12-02 14:28:15,320 INFO  L78                 Accepts]: Start accepts. Automaton has 8036 states and 12036 transitions. Word has length 3974
[2024-12-02 14:28:15,320 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:28:15,320 INFO  L471      AbstractCegarLoop]: Abstraction has 8036 states and 12036 transitions.
[2024-12-02 14:28:15,321 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 993.5) internal successors, (3974), 4 states have internal predecessors, (3974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:15,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 8036 states and 12036 transitions.
[2024-12-02 14:28:15,385 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3975
[2024-12-02 14:28:15,385 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:28:15,386 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:28:15,386 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 14:28:15,386 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:28:15,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:28:15,388 INFO  L85        PathProgramCache]: Analyzing trace with hash -1237298158, now seen corresponding path program 1 times
[2024-12-02 14:28:15,388 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:28:15,389 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072267271]
[2024-12-02 14:28:15,389 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:28:15,389 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:28:17,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:28:23,590 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:28:23,590 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:28:23,590 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072267271]
[2024-12-02 14:28:23,590 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072267271] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:28:23,590 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:28:23,591 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:28:23,591 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087635222]
[2024-12-02 14:28:23,591 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:28:23,594 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:28:23,594 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:28:23,597 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:28:23,597 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:28:23,598 INFO  L87              Difference]: Start difference. First operand 8036 states and 12036 transitions. Second operand  has 5 states, 5 states have (on average 794.8) internal successors, (3974), 5 states have internal predecessors, (3974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:24,477 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:28:24,477 INFO  L93              Difference]: Finished difference Result 14938 states and 22372 transitions.
[2024-12-02 14:28:24,478 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:28:24,479 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 794.8) internal successors, (3974), 5 states have internal predecessors, (3974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3974
[2024-12-02 14:28:24,479 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:28:24,484 INFO  L225             Difference]: With dead ends: 14938
[2024-12-02 14:28:24,484 INFO  L226             Difference]: Without dead ends: 8036
[2024-12-02 14:28:24,488 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:28:24,488 INFO  L435           NwaCegarLoop]: 10168 mSDtfsCounter, 21352 mSDsluCounter, 10162 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21352 SdHoareTripleChecker+Valid, 20330 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:28:24,488 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21352 Valid, 20330 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 14:28:24,494 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8036 states.
[2024-12-02 14:28:24,541 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8036 to 8036.
[2024-12-02 14:28:24,548 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8036 states, 8035 states have (on average 1.4978220286247665) internal successors, (12035), 8035 states have internal predecessors, (12035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:24,555 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8036 states to 8036 states and 12035 transitions.
[2024-12-02 14:28:24,555 INFO  L78                 Accepts]: Start accepts. Automaton has 8036 states and 12035 transitions. Word has length 3974
[2024-12-02 14:28:24,556 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:28:24,556 INFO  L471      AbstractCegarLoop]: Abstraction has 8036 states and 12035 transitions.
[2024-12-02 14:28:24,557 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 794.8) internal successors, (3974), 5 states have internal predecessors, (3974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:24,557 INFO  L276                IsEmpty]: Start isEmpty. Operand 8036 states and 12035 transitions.
[2024-12-02 14:28:24,624 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3976
[2024-12-02 14:28:24,624 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:28:24,625 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:28:24,625 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 14:28:24,625 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:28:24,626 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:28:24,626 INFO  L85        PathProgramCache]: Analyzing trace with hash -1565900199, now seen corresponding path program 1 times
[2024-12-02 14:28:24,626 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:28:24,627 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212390659]
[2024-12-02 14:28:24,627 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:28:24,627 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:28:28,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:28:33,085 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:28:33,086 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:28:33,086 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212390659]
[2024-12-02 14:28:33,086 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212390659] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:28:33,086 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:28:33,086 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:28:33,086 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4780852]
[2024-12-02 14:28:33,086 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:28:33,088 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:28:33,089 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:28:33,091 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:28:33,091 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:28:33,092 INFO  L87              Difference]: Start difference. First operand 8036 states and 12035 transitions. Second operand  has 5 states, 5 states have (on average 795.0) internal successors, (3975), 5 states have internal predecessors, (3975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:33,294 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:28:33,294 INFO  L93              Difference]: Finished difference Result 14939 states and 22372 transitions.
[2024-12-02 14:28:33,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:28:33,295 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 795.0) internal successors, (3975), 5 states have internal predecessors, (3975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3975
[2024-12-02 14:28:33,296 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:28:33,300 INFO  L225             Difference]: With dead ends: 14939
[2024-12-02 14:28:33,300 INFO  L226             Difference]: Without dead ends: 8037
[2024-12-02 14:28:33,304 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:28:33,305 INFO  L435           NwaCegarLoop]: 10655 mSDtfsCounter, 10083 mSDsluCounter, 21305 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10083 SdHoareTripleChecker+Valid, 31960 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:28:33,305 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10083 Valid, 31960 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:28:33,311 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8037 states.
[2024-12-02 14:28:33,368 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8037 to 8037.
[2024-12-02 14:28:33,376 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8037 states, 8036 states have (on average 1.4977600796416128) internal successors, (12036), 8036 states have internal predecessors, (12036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:33,383 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8037 states to 8037 states and 12036 transitions.
[2024-12-02 14:28:33,383 INFO  L78                 Accepts]: Start accepts. Automaton has 8037 states and 12036 transitions. Word has length 3975
[2024-12-02 14:28:33,384 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:28:33,384 INFO  L471      AbstractCegarLoop]: Abstraction has 8037 states and 12036 transitions.
[2024-12-02 14:28:33,384 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 795.0) internal successors, (3975), 5 states have internal predecessors, (3975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:33,385 INFO  L276                IsEmpty]: Start isEmpty. Operand 8037 states and 12036 transitions.
[2024-12-02 14:28:33,474 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3976
[2024-12-02 14:28:33,474 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:28:33,475 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:28:33,475 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 14:28:33,475 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:28:33,476 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:28:33,476 INFO  L85        PathProgramCache]: Analyzing trace with hash 1075336729, now seen corresponding path program 1 times
[2024-12-02 14:28:33,476 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:28:33,477 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934975012]
[2024-12-02 14:28:33,477 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:28:33,477 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:28:38,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:28:43,458 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:28:43,458 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:28:43,458 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934975012]
[2024-12-02 14:28:43,458 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934975012] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:28:43,458 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:28:43,459 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:28:43,459 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170963181]
[2024-12-02 14:28:43,459 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:28:43,463 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:28:43,463 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:28:43,466 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:28:43,467 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:28:43,467 INFO  L87              Difference]: Start difference. First operand 8037 states and 12036 transitions. Second operand  has 5 states, 5 states have (on average 795.0) internal successors, (3975), 5 states have internal predecessors, (3975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:44,023 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:28:44,023 INFO  L93              Difference]: Finished difference Result 14940 states and 22372 transitions.
[2024-12-02 14:28:44,024 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:28:44,024 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 795.0) internal successors, (3975), 5 states have internal predecessors, (3975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3975
[2024-12-02 14:28:44,025 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:28:44,031 INFO  L225             Difference]: With dead ends: 14940
[2024-12-02 14:28:44,031 INFO  L226             Difference]: Without dead ends: 8037
[2024-12-02 14:28:44,035 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:28:44,036 INFO  L435           NwaCegarLoop]: 10391 mSDtfsCounter, 10479 mSDsluCounter, 10389 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10479 SdHoareTripleChecker+Valid, 20780 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:28:44,036 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10479 Valid, 20780 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 14:28:44,045 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8037 states.
[2024-12-02 14:28:44,120 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8037 to 8037.
[2024-12-02 14:28:44,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8037 states, 8036 states have (on average 1.4976356396217023) internal successors, (12035), 8036 states have internal predecessors, (12035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:44,138 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8037 states to 8037 states and 12035 transitions.
[2024-12-02 14:28:44,139 INFO  L78                 Accepts]: Start accepts. Automaton has 8037 states and 12035 transitions. Word has length 3975
[2024-12-02 14:28:44,140 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:28:44,140 INFO  L471      AbstractCegarLoop]: Abstraction has 8037 states and 12035 transitions.
[2024-12-02 14:28:44,141 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 795.0) internal successors, (3975), 5 states have internal predecessors, (3975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:44,141 INFO  L276                IsEmpty]: Start isEmpty. Operand 8037 states and 12035 transitions.
[2024-12-02 14:28:44,269 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3977
[2024-12-02 14:28:44,269 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:28:44,269 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:28:44,270 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 14:28:44,270 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:28:44,270 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:28:44,271 INFO  L85        PathProgramCache]: Analyzing trace with hash -2001558268, now seen corresponding path program 1 times
[2024-12-02 14:28:44,271 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:28:44,271 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337349814]
[2024-12-02 14:28:44,271 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:28:44,271 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:28:45,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:28:49,981 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:28:49,982 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:28:49,982 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337349814]
[2024-12-02 14:28:49,982 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337349814] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:28:49,982 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:28:49,982 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:28:49,982 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213896896]
[2024-12-02 14:28:49,983 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:28:49,985 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:28:49,985 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:28:49,988 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:28:49,988 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:28:49,989 INFO  L87              Difference]: Start difference. First operand 8037 states and 12035 transitions. Second operand  has 4 states, 4 states have (on average 994.0) internal successors, (3976), 4 states have internal predecessors, (3976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:51,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:28:51,044 INFO  L93              Difference]: Finished difference Result 17740 states and 26565 transitions.
[2024-12-02 14:28:51,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:28:51,046 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 994.0) internal successors, (3976), 4 states have internal predecessors, (3976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3976
[2024-12-02 14:28:51,048 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:28:51,055 INFO  L225             Difference]: With dead ends: 17740
[2024-12-02 14:28:51,055 INFO  L226             Difference]: Without dead ends: 8037
[2024-12-02 14:28:51,062 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 14:28:51,064 INFO  L435           NwaCegarLoop]: 10533 mSDtfsCounter, 2682 mSDsluCounter, 20693 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2682 SdHoareTripleChecker+Valid, 31226 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 14:28:51,064 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2682 Valid, 31226 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 14:28:51,073 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8037 states.
[2024-12-02 14:28:51,141 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8037 to 8037.
[2024-12-02 14:28:51,149 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8037 states, 8036 states have (on average 1.497511199601792) internal successors, (12034), 8036 states have internal predecessors, (12034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:51,160 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8037 states to 8037 states and 12034 transitions.
[2024-12-02 14:28:51,161 INFO  L78                 Accepts]: Start accepts. Automaton has 8037 states and 12034 transitions. Word has length 3976
[2024-12-02 14:28:51,161 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:28:51,161 INFO  L471      AbstractCegarLoop]: Abstraction has 8037 states and 12034 transitions.
[2024-12-02 14:28:51,162 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 994.0) internal successors, (3976), 4 states have internal predecessors, (3976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:51,162 INFO  L276                IsEmpty]: Start isEmpty. Operand 8037 states and 12034 transitions.
[2024-12-02 14:28:51,275 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3977
[2024-12-02 14:28:51,275 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:28:51,277 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:28:51,277 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 14:28:51,277 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:28:51,278 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:28:51,279 INFO  L85        PathProgramCache]: Analyzing trace with hash -1526832685, now seen corresponding path program 1 times
[2024-12-02 14:28:51,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:28:51,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977176411]
[2024-12-02 14:28:51,279 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:28:51,280 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:28:53,627 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:28:58,614 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:28:58,615 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:28:58,615 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977176411]
[2024-12-02 14:28:58,615 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977176411] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:28:58,615 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:28:58,616 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:28:58,616 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783763278]
[2024-12-02 14:28:58,616 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:28:58,618 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:28:58,618 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:28:58,620 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:28:58,620 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:28:58,620 INFO  L87              Difference]: Start difference. First operand 8037 states and 12034 transitions. Second operand  has 5 states, 5 states have (on average 795.2) internal successors, (3976), 5 states have internal predecessors, (3976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:59,799 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:28:59,799 INFO  L93              Difference]: Finished difference Result 14940 states and 22368 transitions.
[2024-12-02 14:28:59,800 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:28:59,800 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 795.2) internal successors, (3976), 5 states have internal predecessors, (3976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3976
[2024-12-02 14:28:59,801 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:28:59,805 INFO  L225             Difference]: With dead ends: 14940
[2024-12-02 14:28:59,805 INFO  L226             Difference]: Without dead ends: 8037
[2024-12-02 14:28:59,808 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:28:59,809 INFO  L435           NwaCegarLoop]: 10167 mSDtfsCounter, 10475 mSDsluCounter, 10162 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10475 SdHoareTripleChecker+Valid, 20329 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:28:59,809 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10475 Valid, 20329 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 14:28:59,814 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8037 states.
[2024-12-02 14:28:59,853 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8037 to 8037.
[2024-12-02 14:28:59,859 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8037 states, 8036 states have (on average 1.4973867595818815) internal successors, (12033), 8036 states have internal predecessors, (12033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:59,866 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8037 states to 8037 states and 12033 transitions.
[2024-12-02 14:28:59,866 INFO  L78                 Accepts]: Start accepts. Automaton has 8037 states and 12033 transitions. Word has length 3976
[2024-12-02 14:28:59,866 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:28:59,866 INFO  L471      AbstractCegarLoop]: Abstraction has 8037 states and 12033 transitions.
[2024-12-02 14:28:59,867 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 795.2) internal successors, (3976), 5 states have internal predecessors, (3976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:28:59,867 INFO  L276                IsEmpty]: Start isEmpty. Operand 8037 states and 12033 transitions.
[2024-12-02 14:28:59,927 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3978
[2024-12-02 14:28:59,927 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:28:59,928 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:28:59,928 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 14:28:59,928 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:28:59,929 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:28:59,929 INFO  L85        PathProgramCache]: Analyzing trace with hash 1356997617, now seen corresponding path program 1 times
[2024-12-02 14:28:59,929 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:28:59,929 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922652293]
[2024-12-02 14:28:59,930 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:28:59,930 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:03,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:09,240 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:29:09,240 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:09,240 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922652293]
[2024-12-02 14:29:09,240 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922652293] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:09,240 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:09,241 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:29:09,241 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833859061]
[2024-12-02 14:29:09,241 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:09,243 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:29:09,243 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:09,244 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:29:09,244 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:29:09,244 INFO  L87              Difference]: Start difference. First operand 8037 states and 12033 transitions. Second operand  has 5 states, 5 states have (on average 795.4) internal successors, (3977), 5 states have internal predecessors, (3977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:09,427 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:09,427 INFO  L93              Difference]: Finished difference Result 14941 states and 22368 transitions.
[2024-12-02 14:29:09,427 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:29:09,428 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 795.4) internal successors, (3977), 5 states have internal predecessors, (3977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3977
[2024-12-02 14:29:09,429 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:09,433 INFO  L225             Difference]: With dead ends: 14941
[2024-12-02 14:29:09,433 INFO  L226             Difference]: Without dead ends: 8038
[2024-12-02 14:29:09,437 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:29:09,437 INFO  L435           NwaCegarLoop]: 10652 mSDtfsCounter, 9874 mSDsluCounter, 21299 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9874 SdHoareTripleChecker+Valid, 31951 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:09,437 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9874 Valid, 31951 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:29:09,444 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8038 states.
[2024-12-02 14:29:09,491 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8038 to 8038.
[2024-12-02 14:29:09,497 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8038 states, 8037 states have (on average 1.49732487246485) internal successors, (12034), 8037 states have internal predecessors, (12034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:09,505 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8038 states to 8038 states and 12034 transitions.
[2024-12-02 14:29:09,505 INFO  L78                 Accepts]: Start accepts. Automaton has 8038 states and 12034 transitions. Word has length 3977
[2024-12-02 14:29:09,505 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:09,506 INFO  L471      AbstractCegarLoop]: Abstraction has 8038 states and 12034 transitions.
[2024-12-02 14:29:09,506 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 795.4) internal successors, (3977), 5 states have internal predecessors, (3977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:09,506 INFO  L276                IsEmpty]: Start isEmpty. Operand 8038 states and 12034 transitions.
[2024-12-02 14:29:09,629 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3978
[2024-12-02 14:29:09,629 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:29:09,630 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:29:09,630 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 14:29:09,630 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:09,631 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:09,631 INFO  L85        PathProgramCache]: Analyzing trace with hash 2021250993, now seen corresponding path program 1 times
[2024-12-02 14:29:09,631 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:09,631 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254977160]
[2024-12-02 14:29:09,632 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:09,632 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:13,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:19,188 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:29:19,188 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:19,188 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254977160]
[2024-12-02 14:29:19,189 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254977160] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:19,189 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:19,189 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:29:19,189 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097635295]
[2024-12-02 14:29:19,189 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:19,190 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:29:19,191 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:19,192 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:29:19,192 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:29:19,192 INFO  L87              Difference]: Start difference. First operand 8038 states and 12034 transitions. Second operand  has 5 states, 5 states have (on average 795.4) internal successors, (3977), 5 states have internal predecessors, (3977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:19,734 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:19,734 INFO  L93              Difference]: Finished difference Result 14942 states and 22368 transitions.
[2024-12-02 14:29:19,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:29:19,735 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 795.4) internal successors, (3977), 5 states have internal predecessors, (3977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3977
[2024-12-02 14:29:19,735 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:19,740 INFO  L225             Difference]: With dead ends: 14942
[2024-12-02 14:29:19,740 INFO  L226             Difference]: Without dead ends: 8038
[2024-12-02 14:29:19,743 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:29:19,743 INFO  L435           NwaCegarLoop]: 10389 mSDtfsCounter, 20271 mSDsluCounter, 10386 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20271 SdHoareTripleChecker+Valid, 20775 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:19,743 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [20271 Valid, 20775 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 14:29:19,749 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8038 states.
[2024-12-02 14:29:19,790 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8038 to 8038.
[2024-12-02 14:29:19,796 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8038 states, 8037 states have (on average 1.4972004479283314) internal successors, (12033), 8037 states have internal predecessors, (12033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:19,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8038 states to 8038 states and 12033 transitions.
[2024-12-02 14:29:19,803 INFO  L78                 Accepts]: Start accepts. Automaton has 8038 states and 12033 transitions. Word has length 3977
[2024-12-02 14:29:19,804 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:19,804 INFO  L471      AbstractCegarLoop]: Abstraction has 8038 states and 12033 transitions.
[2024-12-02 14:29:19,804 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 795.4) internal successors, (3977), 5 states have internal predecessors, (3977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:19,804 INFO  L276                IsEmpty]: Start isEmpty. Operand 8038 states and 12033 transitions.
[2024-12-02 14:29:19,885 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3979
[2024-12-02 14:29:19,885 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:29:19,886 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:29:19,887 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-12-02 14:29:19,887 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:19,888 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:19,888 INFO  L85        PathProgramCache]: Analyzing trace with hash 1875536063, now seen corresponding path program 1 times
[2024-12-02 14:29:19,888 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:19,889 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132568706]
[2024-12-02 14:29:19,889 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:19,889 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:20,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:25,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:29:25,011 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:25,011 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132568706]
[2024-12-02 14:29:25,011 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132568706] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:25,011 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:25,012 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:29:25,012 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433487274]
[2024-12-02 14:29:25,012 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:25,013 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:29:25,013 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:25,015 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:29:25,015 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:29:25,016 INFO  L87              Difference]: Start difference. First operand 8038 states and 12033 transitions. Second operand  has 4 states, 4 states have (on average 994.5) internal successors, (3978), 4 states have internal predecessors, (3978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:25,883 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:25,883 INFO  L93              Difference]: Finished difference Result 17678 states and 26465 transitions.
[2024-12-02 14:29:25,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:29:25,884 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 994.5) internal successors, (3978), 4 states have internal predecessors, (3978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3978
[2024-12-02 14:29:25,886 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:25,890 INFO  L225             Difference]: With dead ends: 17678
[2024-12-02 14:29:25,890 INFO  L226             Difference]: Without dead ends: 8038
[2024-12-02 14:29:25,894 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 14:29:25,895 INFO  L435           NwaCegarLoop]: 10536 mSDtfsCounter, 2622 mSDsluCounter, 20695 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 31231 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:25,895 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 31231 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 14:29:25,901 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8038 states.
[2024-12-02 14:29:25,943 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8038 to 8038.
[2024-12-02 14:29:25,949 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8038 states, 8037 states have (on average 1.4970760233918128) internal successors, (12032), 8037 states have internal predecessors, (12032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:25,955 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8038 states to 8038 states and 12032 transitions.
[2024-12-02 14:29:25,955 INFO  L78                 Accepts]: Start accepts. Automaton has 8038 states and 12032 transitions. Word has length 3978
[2024-12-02 14:29:25,956 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:25,956 INFO  L471      AbstractCegarLoop]: Abstraction has 8038 states and 12032 transitions.
[2024-12-02 14:29:25,956 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 994.5) internal successors, (3978), 4 states have internal predecessors, (3978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:25,956 INFO  L276                IsEmpty]: Start isEmpty. Operand 8038 states and 12032 transitions.
[2024-12-02 14:29:26,098 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3979
[2024-12-02 14:29:26,098 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:29:26,099 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:29:26,099 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-02 14:29:26,099 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:26,100 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:26,101 INFO  L85        PathProgramCache]: Analyzing trace with hash 595927438, now seen corresponding path program 1 times
[2024-12-02 14:29:26,101 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:26,101 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118147232]
[2024-12-02 14:29:26,101 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:26,101 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:27,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:33,142 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:29:33,143 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:33,143 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118147232]
[2024-12-02 14:29:33,143 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118147232] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:33,143 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:33,143 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:29:33,143 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022436947]
[2024-12-02 14:29:33,143 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:33,145 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:29:33,145 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:33,146 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:29:33,147 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:29:33,147 INFO  L87              Difference]: Start difference. First operand 8038 states and 12032 transitions. Second operand  has 5 states, 5 states have (on average 795.6) internal successors, (3978), 5 states have internal predecessors, (3978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:34,104 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:34,104 INFO  L93              Difference]: Finished difference Result 14942 states and 22364 transitions.
[2024-12-02 14:29:34,104 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:29:34,105 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 795.6) internal successors, (3978), 5 states have internal predecessors, (3978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3978
[2024-12-02 14:29:34,106 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:34,110 INFO  L225             Difference]: With dead ends: 14942
[2024-12-02 14:29:34,110 INFO  L226             Difference]: Without dead ends: 8038
[2024-12-02 14:29:34,114 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:29:34,114 INFO  L435           NwaCegarLoop]: 10166 mSDtfsCounter, 20854 mSDsluCounter, 10161 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20854 SdHoareTripleChecker+Valid, 20327 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:34,115 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [20854 Valid, 20327 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 14:29:34,121 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8038 states.
[2024-12-02 14:29:34,166 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8038 to 8038.
[2024-12-02 14:29:34,171 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8038 states, 8037 states have (on average 1.4969515988552942) internal successors, (12031), 8037 states have internal predecessors, (12031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:34,179 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8038 states to 8038 states and 12031 transitions.
[2024-12-02 14:29:34,179 INFO  L78                 Accepts]: Start accepts. Automaton has 8038 states and 12031 transitions. Word has length 3978
[2024-12-02 14:29:34,179 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:34,179 INFO  L471      AbstractCegarLoop]: Abstraction has 8038 states and 12031 transitions.
[2024-12-02 14:29:34,180 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 795.6) internal successors, (3978), 5 states have internal predecessors, (3978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:34,180 INFO  L276                IsEmpty]: Start isEmpty. Operand 8038 states and 12031 transitions.
[2024-12-02 14:29:34,416 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3980
[2024-12-02 14:29:34,416 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:29:34,417 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:29:34,417 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-12-02 14:29:34,417 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:34,418 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:34,418 INFO  L85        PathProgramCache]: Analyzing trace with hash 1445710313, now seen corresponding path program 1 times
[2024-12-02 14:29:34,418 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:34,418 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168914611]
[2024-12-02 14:29:34,419 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:34,419 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:38,818 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:44,100 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:29:44,100 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:44,100 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168914611]
[2024-12-02 14:29:44,100 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168914611] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:44,100 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:44,100 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:29:44,100 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628678029]
[2024-12-02 14:29:44,100 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:44,102 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:29:44,102 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:44,104 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:29:44,104 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:29:44,104 INFO  L87              Difference]: Start difference. First operand 8038 states and 12031 transitions. Second operand  has 5 states, 5 states have (on average 795.8) internal successors, (3979), 5 states have internal predecessors, (3979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:44,311 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:44,311 INFO  L93              Difference]: Finished difference Result 14943 states and 22364 transitions.
[2024-12-02 14:29:44,312 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:29:44,312 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 795.8) internal successors, (3979), 5 states have internal predecessors, (3979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3979
[2024-12-02 14:29:44,313 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:44,318 INFO  L225             Difference]: With dead ends: 14943
[2024-12-02 14:29:44,318 INFO  L226             Difference]: Without dead ends: 8039
[2024-12-02 14:29:44,322 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:29:44,322 INFO  L435           NwaCegarLoop]: 10649 mSDtfsCounter, 9837 mSDsluCounter, 21293 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9837 SdHoareTripleChecker+Valid, 31942 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:44,322 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9837 Valid, 31942 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:29:44,329 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8039 states.
[2024-12-02 14:29:44,376 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8039 to 8039.
[2024-12-02 14:29:44,382 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8039 states, 8038 states have (on average 1.4968897735755162) internal successors, (12032), 8038 states have internal predecessors, (12032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:44,389 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8039 states to 8039 states and 12032 transitions.
[2024-12-02 14:29:44,390 INFO  L78                 Accepts]: Start accepts. Automaton has 8039 states and 12032 transitions. Word has length 3979
[2024-12-02 14:29:44,390 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:44,390 INFO  L471      AbstractCegarLoop]: Abstraction has 8039 states and 12032 transitions.
[2024-12-02 14:29:44,391 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 795.8) internal successors, (3979), 5 states have internal predecessors, (3979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:44,391 INFO  L276                IsEmpty]: Start isEmpty. Operand 8039 states and 12032 transitions.
[2024-12-02 14:29:44,455 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3980
[2024-12-02 14:29:44,455 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:29:44,456 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:29:44,456 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-02 14:29:44,456 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:44,457 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:44,457 INFO  L85        PathProgramCache]: Analyzing trace with hash 461536681, now seen corresponding path program 1 times
[2024-12-02 14:29:44,457 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:44,457 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995509024]
[2024-12-02 14:29:44,457 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:44,457 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:48,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:53,204 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:29:53,204 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:53,204 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995509024]
[2024-12-02 14:29:53,204 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995509024] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:53,204 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:53,205 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:29:53,205 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218860833]
[2024-12-02 14:29:53,205 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:53,206 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:29:53,206 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:53,208 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:29:53,208 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:29:53,208 INFO  L87              Difference]: Start difference. First operand 8039 states and 12032 transitions. Second operand  has 5 states, 5 states have (on average 795.8) internal successors, (3979), 5 states have internal predecessors, (3979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:53,739 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:53,739 INFO  L93              Difference]: Finished difference Result 14944 states and 22364 transitions.
[2024-12-02 14:29:53,740 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:29:53,740 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 795.8) internal successors, (3979), 5 states have internal predecessors, (3979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3979
[2024-12-02 14:29:53,741 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:53,746 INFO  L225             Difference]: With dead ends: 14944
[2024-12-02 14:29:53,746 INFO  L226             Difference]: Without dead ends: 8039
[2024-12-02 14:29:53,750 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:29:53,750 INFO  L435           NwaCegarLoop]: 10387 mSDtfsCounter, 10317 mSDsluCounter, 10385 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10317 SdHoareTripleChecker+Valid, 20772 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:53,750 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10317 Valid, 20772 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 14:29:53,757 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8039 states.
[2024-12-02 14:29:53,803 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8039 to 8039.
[2024-12-02 14:29:53,809 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8039 states, 8038 states have (on average 1.496765364518537) internal successors, (12031), 8038 states have internal predecessors, (12031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:53,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8039 states to 8039 states and 12031 transitions.
[2024-12-02 14:29:53,817 INFO  L78                 Accepts]: Start accepts. Automaton has 8039 states and 12031 transitions. Word has length 3979
[2024-12-02 14:29:53,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:53,817 INFO  L471      AbstractCegarLoop]: Abstraction has 8039 states and 12031 transitions.
[2024-12-02 14:29:53,818 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 795.8) internal successors, (3979), 5 states have internal predecessors, (3979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:53,818 INFO  L276                IsEmpty]: Start isEmpty. Operand 8039 states and 12031 transitions.
[2024-12-02 14:29:53,906 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3981
[2024-12-02 14:29:53,906 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:29:53,907 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:29:53,907 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-12-02 14:29:53,907 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:53,908 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:53,908 INFO  L85        PathProgramCache]: Analyzing trace with hash 1531946086, now seen corresponding path program 1 times
[2024-12-02 14:29:53,908 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:53,908 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324863330]
[2024-12-02 14:29:53,909 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:53,909 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:54,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:58,264 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:29:58,264 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:58,265 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324863330]
[2024-12-02 14:29:58,265 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324863330] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:58,265 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:58,265 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:29:58,265 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257520006]
[2024-12-02 14:29:58,265 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:58,267 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:29:58,267 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:58,269 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:29:58,269 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:29:58,270 INFO  L87              Difference]: Start difference. First operand 8039 states and 12031 transitions. Second operand  has 4 states, 4 states have (on average 995.0) internal successors, (3980), 4 states have internal predecessors, (3980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:59,091 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:59,091 INFO  L93              Difference]: Finished difference Result 17442 states and 26104 transitions.
[2024-12-02 14:29:59,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:29:59,092 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 995.0) internal successors, (3980), 4 states have internal predecessors, (3980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3980
[2024-12-02 14:29:59,094 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:59,098 INFO  L225             Difference]: With dead ends: 17442
[2024-12-02 14:29:59,098 INFO  L226             Difference]: Without dead ends: 8039
[2024-12-02 14:29:59,102 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 14:29:59,103 INFO  L435           NwaCegarLoop]: 10541 mSDtfsCounter, 2390 mSDsluCounter, 20699 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 31240 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:59,103 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2390 Valid, 31240 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 14:29:59,109 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8039 states.
[2024-12-02 14:29:59,155 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8039 to 8039.
[2024-12-02 14:29:59,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8039 states, 8038 states have (on average 1.4966409554615576) internal successors, (12030), 8038 states have internal predecessors, (12030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:59,169 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8039 states to 8039 states and 12030 transitions.
[2024-12-02 14:29:59,169 INFO  L78                 Accepts]: Start accepts. Automaton has 8039 states and 12030 transitions. Word has length 3980
[2024-12-02 14:29:59,169 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:59,170 INFO  L471      AbstractCegarLoop]: Abstraction has 8039 states and 12030 transitions.
[2024-12-02 14:29:59,170 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 995.0) internal successors, (3980), 4 states have internal predecessors, (3980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:59,170 INFO  L276                IsEmpty]: Start isEmpty. Operand 8039 states and 12030 transitions.
[2024-12-02 14:29:59,303 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3981
[2024-12-02 14:29:59,303 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:29:59,304 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:29:59,304 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-12-02 14:29:59,304 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:59,306 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:59,306 INFO  L85        PathProgramCache]: Analyzing trace with hash -1873539531, now seen corresponding path program 1 times
[2024-12-02 14:29:59,306 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:59,306 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18487920]
[2024-12-02 14:29:59,307 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:59,307 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:01,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:05,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:30:05,669 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:05,669 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18487920]
[2024-12-02 14:30:05,669 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18487920] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:05,669 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:05,669 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:30:05,669 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012797703]
[2024-12-02 14:30:05,669 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:05,671 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:30:05,671 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:05,672 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:30:05,673 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:30:05,673 INFO  L87              Difference]: Start difference. First operand 8039 states and 12030 transitions. Second operand  has 5 states, 5 states have (on average 796.0) internal successors, (3980), 5 states have internal predecessors, (3980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:06,589 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:06,589 INFO  L93              Difference]: Finished difference Result 14944 states and 22360 transitions.
[2024-12-02 14:30:06,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:30:06,590 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 796.0) internal successors, (3980), 5 states have internal predecessors, (3980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3980
[2024-12-02 14:30:06,591 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:06,595 INFO  L225             Difference]: With dead ends: 14944
[2024-12-02 14:30:06,595 INFO  L226             Difference]: Without dead ends: 8039
[2024-12-02 14:30:06,599 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:30:06,599 INFO  L435           NwaCegarLoop]: 10165 mSDtfsCounter, 10307 mSDsluCounter, 10161 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10307 SdHoareTripleChecker+Valid, 20326 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:06,599 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10307 Valid, 20326 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 14:30:06,606 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8039 states.
[2024-12-02 14:30:06,654 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8039 to 8039.
[2024-12-02 14:30:06,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8039 states, 8038 states have (on average 1.4965165464045782) internal successors, (12029), 8038 states have internal predecessors, (12029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:06,668 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8039 states to 8039 states and 12029 transitions.
[2024-12-02 14:30:06,668 INFO  L78                 Accepts]: Start accepts. Automaton has 8039 states and 12029 transitions. Word has length 3980
[2024-12-02 14:30:06,669 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:06,669 INFO  L471      AbstractCegarLoop]: Abstraction has 8039 states and 12029 transitions.
[2024-12-02 14:30:06,670 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 796.0) internal successors, (3980), 5 states have internal predecessors, (3980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:06,670 INFO  L276                IsEmpty]: Start isEmpty. Operand 8039 states and 12029 transitions.
[2024-12-02 14:30:06,739 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3982
[2024-12-02 14:30:06,739 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:30:06,740 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:30:06,740 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-12-02 14:30:06,740 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:06,741 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:06,741 INFO  L85        PathProgramCache]: Analyzing trace with hash -536171071, now seen corresponding path program 1 times
[2024-12-02 14:30:06,741 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:06,741 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327426470]
[2024-12-02 14:30:06,742 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:06,742 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:11,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:16,605 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:30:16,605 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:16,605 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327426470]
[2024-12-02 14:30:16,605 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327426470] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:16,605 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:16,606 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:30:16,606 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235627664]
[2024-12-02 14:30:16,606 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:16,608 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:30:16,608 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:16,610 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:30:16,611 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:30:16,611 INFO  L87              Difference]: Start difference. First operand 8039 states and 12029 transitions. Second operand  has 5 states, 5 states have (on average 796.2) internal successors, (3981), 5 states have internal predecessors, (3981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:16,811 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:16,811 INFO  L93              Difference]: Finished difference Result 14945 states and 22360 transitions.
[2024-12-02 14:30:16,812 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:30:16,813 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 796.2) internal successors, (3981), 5 states have internal predecessors, (3981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3981
[2024-12-02 14:30:16,813 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:16,818 INFO  L225             Difference]: With dead ends: 14945
[2024-12-02 14:30:16,818 INFO  L226             Difference]: Without dead ends: 8040
[2024-12-02 14:30:16,822 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:30:16,823 INFO  L435           NwaCegarLoop]: 10646 mSDtfsCounter, 9712 mSDsluCounter, 21287 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9712 SdHoareTripleChecker+Valid, 31933 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:16,823 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9712 Valid, 31933 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:30:16,834 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8040 states.
[2024-12-02 14:30:17,224 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8040 to 8040.
[2024-12-02 14:30:17,230 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8040 states, 8039 states have (on average 1.4964547829332007) internal successors, (12030), 8039 states have internal predecessors, (12030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:17,237 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8040 states to 8040 states and 12030 transitions.
[2024-12-02 14:30:17,237 INFO  L78                 Accepts]: Start accepts. Automaton has 8040 states and 12030 transitions. Word has length 3981
[2024-12-02 14:30:17,238 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:17,238 INFO  L471      AbstractCegarLoop]: Abstraction has 8040 states and 12030 transitions.
[2024-12-02 14:30:17,238 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 796.2) internal successors, (3981), 5 states have internal predecessors, (3981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:17,239 INFO  L276                IsEmpty]: Start isEmpty. Operand 8040 states and 12030 transitions.
[2024-12-02 14:30:17,303 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3982
[2024-12-02 14:30:17,303 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:30:17,304 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:30:17,304 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-12-02 14:30:17,304 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:17,304 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:17,305 INFO  L85        PathProgramCache]: Analyzing trace with hash 256745857, now seen corresponding path program 1 times
[2024-12-02 14:30:17,305 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:17,305 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830994781]
[2024-12-02 14:30:17,305 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:17,305 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:21,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:26,573 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:30:26,573 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:26,573 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830994781]
[2024-12-02 14:30:26,573 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830994781] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:26,573 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:26,573 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:30:26,573 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829092056]
[2024-12-02 14:30:26,573 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:26,575 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:30:26,575 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:26,576 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:30:26,576 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:30:26,577 INFO  L87              Difference]: Start difference. First operand 8040 states and 12030 transitions. Second operand  has 5 states, 5 states have (on average 796.2) internal successors, (3981), 5 states have internal predecessors, (3981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:27,083 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:27,083 INFO  L93              Difference]: Finished difference Result 14946 states and 22360 transitions.
[2024-12-02 14:30:27,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:30:27,084 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 796.2) internal successors, (3981), 5 states have internal predecessors, (3981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3981
[2024-12-02 14:30:27,085 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:27,090 INFO  L225             Difference]: With dead ends: 14946
[2024-12-02 14:30:27,090 INFO  L226             Difference]: Without dead ends: 8040
[2024-12-02 14:30:27,094 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:30:27,095 INFO  L435           NwaCegarLoop]: 10385 mSDtfsCounter, 19947 mSDsluCounter, 10382 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19947 SdHoareTripleChecker+Valid, 20767 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:27,095 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19947 Valid, 20767 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 14:30:27,101 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8040 states.
[2024-12-02 14:30:27,150 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8040 to 8040.
[2024-12-02 14:30:27,156 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8040 states, 8039 states have (on average 1.4963303893519095) internal successors, (12029), 8039 states have internal predecessors, (12029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:27,163 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8040 states to 8040 states and 12029 transitions.
[2024-12-02 14:30:27,163 INFO  L78                 Accepts]: Start accepts. Automaton has 8040 states and 12029 transitions. Word has length 3981
[2024-12-02 14:30:27,164 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:27,164 INFO  L471      AbstractCegarLoop]: Abstraction has 8040 states and 12029 transitions.
[2024-12-02 14:30:27,165 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 796.2) internal successors, (3981), 5 states have internal predecessors, (3981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:27,165 INFO  L276                IsEmpty]: Start isEmpty. Operand 8040 states and 12029 transitions.
[2024-12-02 14:30:27,247 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3983
[2024-12-02 14:30:27,247 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:30:27,248 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:30:27,248 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-12-02 14:30:27,248 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:27,249 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:27,249 INFO  L85        PathProgramCache]: Analyzing trace with hash -63813919, now seen corresponding path program 1 times
[2024-12-02 14:30:27,249 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:27,249 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011182282]
[2024-12-02 14:30:27,249 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:27,250 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:27,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:32,080 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:30:32,080 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:32,080 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011182282]
[2024-12-02 14:30:32,081 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011182282] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:32,081 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:32,081 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:30:32,081 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91710704]
[2024-12-02 14:30:32,081 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:32,086 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:30:32,086 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:32,090 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:30:32,090 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:30:32,091 INFO  L87              Difference]: Start difference. First operand 8040 states and 12029 transitions. Second operand  has 4 states, 4 states have (on average 995.5) internal successors, (3982), 4 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:33,043 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:33,043 INFO  L93              Difference]: Finished difference Result 17379 states and 26003 transitions.
[2024-12-02 14:30:33,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:30:33,044 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 995.5) internal successors, (3982), 4 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3982
[2024-12-02 14:30:33,046 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:33,052 INFO  L225             Difference]: With dead ends: 17379
[2024-12-02 14:30:33,052 INFO  L226             Difference]: Without dead ends: 8040
[2024-12-02 14:30:33,057 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 14:30:33,057 INFO  L435           NwaCegarLoop]: 10544 mSDtfsCounter, 2330 mSDsluCounter, 20701 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2330 SdHoareTripleChecker+Valid, 31245 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:33,058 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2330 Valid, 31245 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 14:30:33,067 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8040 states.
[2024-12-02 14:30:33,144 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8040 to 8040.
[2024-12-02 14:30:33,150 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8040 states, 8039 states have (on average 1.4962059957706182) internal successors, (12028), 8039 states have internal predecessors, (12028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:33,162 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8040 states to 8040 states and 12028 transitions.
[2024-12-02 14:30:33,162 INFO  L78                 Accepts]: Start accepts. Automaton has 8040 states and 12028 transitions. Word has length 3982
[2024-12-02 14:30:33,164 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:33,164 INFO  L471      AbstractCegarLoop]: Abstraction has 8040 states and 12028 transitions.
[2024-12-02 14:30:33,164 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 995.5) internal successors, (3982), 4 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:33,164 INFO  L276                IsEmpty]: Start isEmpty. Operand 8040 states and 12028 transitions.
[2024-12-02 14:30:33,296 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3983
[2024-12-02 14:30:33,296 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:30:33,297 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:30:33,297 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-12-02 14:30:33,297 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:33,297 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:33,298 INFO  L85        PathProgramCache]: Analyzing trace with hash -1365660496, now seen corresponding path program 1 times
[2024-12-02 14:30:33,298 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:33,298 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731138366]
[2024-12-02 14:30:33,298 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:33,298 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:35,481 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:40,132 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:30:40,132 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:40,132 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731138366]
[2024-12-02 14:30:40,132 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731138366] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:40,132 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:40,133 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:30:40,133 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494073251]
[2024-12-02 14:30:40,133 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:40,134 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:30:40,134 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:40,135 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:30:40,136 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:30:40,136 INFO  L87              Difference]: Start difference. First operand 8040 states and 12028 transitions. Second operand  has 5 states, 5 states have (on average 796.4) internal successors, (3982), 5 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:41,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:41,000 INFO  L93              Difference]: Finished difference Result 14946 states and 22356 transitions.
[2024-12-02 14:30:41,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:30:41,001 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 796.4) internal successors, (3982), 5 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3982
[2024-12-02 14:30:41,002 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:41,006 INFO  L225             Difference]: With dead ends: 14946
[2024-12-02 14:30:41,007 INFO  L226             Difference]: Without dead ends: 8040
[2024-12-02 14:30:41,010 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:30:41,011 INFO  L435           NwaCegarLoop]: 10164 mSDtfsCounter, 10276 mSDsluCounter, 10159 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10276 SdHoareTripleChecker+Valid, 20323 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:41,011 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10276 Valid, 20323 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 14:30:41,017 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8040 states.
[2024-12-02 14:30:41,063 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8040 to 8040.
[2024-12-02 14:30:41,069 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8040 states, 8039 states have (on average 1.496081602189327) internal successors, (12027), 8039 states have internal predecessors, (12027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:41,077 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8040 states to 8040 states and 12027 transitions.
[2024-12-02 14:30:41,077 INFO  L78                 Accepts]: Start accepts. Automaton has 8040 states and 12027 transitions. Word has length 3982
[2024-12-02 14:30:41,078 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:41,078 INFO  L471      AbstractCegarLoop]: Abstraction has 8040 states and 12027 transitions.
[2024-12-02 14:30:41,078 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 796.4) internal successors, (3982), 5 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:41,078 INFO  L276                IsEmpty]: Start isEmpty. Operand 8040 states and 12027 transitions.
[2024-12-02 14:30:41,298 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3984
[2024-12-02 14:30:41,298 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:30:41,299 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:30:41,299 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-12-02 14:30:41,299 INFO  L396      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:41,300 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:41,300 INFO  L85        PathProgramCache]: Analyzing trace with hash -1803188743, now seen corresponding path program 1 times
[2024-12-02 14:30:41,300 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:41,300 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238383789]
[2024-12-02 14:30:41,300 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:41,301 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:45,401 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:49,822 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:30:49,822 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:49,822 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238383789]
[2024-12-02 14:30:49,822 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238383789] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:49,823 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:49,823 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:30:49,823 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645323876]
[2024-12-02 14:30:49,823 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:49,833 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:30:49,834 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:49,836 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:30:49,836 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:30:49,837 INFO  L87              Difference]: Start difference. First operand 8040 states and 12027 transitions. Second operand  has 5 states, 5 states have (on average 796.6) internal successors, (3983), 5 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:50,034 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:50,035 INFO  L93              Difference]: Finished difference Result 14947 states and 22356 transitions.
[2024-12-02 14:30:50,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:30:50,036 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 796.6) internal successors, (3983), 5 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3983
[2024-12-02 14:30:50,037 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:50,042 INFO  L225             Difference]: With dead ends: 14947
[2024-12-02 14:30:50,042 INFO  L226             Difference]: Without dead ends: 8041
[2024-12-02 14:30:50,046 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:30:50,046 INFO  L435           NwaCegarLoop]: 10643 mSDtfsCounter, 9675 mSDsluCounter, 21281 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9675 SdHoareTripleChecker+Valid, 31924 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:50,046 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9675 Valid, 31924 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:30:50,053 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8041 states.
[2024-12-02 14:30:50,099 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8041 to 8041.
[2024-12-02 14:30:50,105 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8041 states, 8040 states have (on average 1.4960199004975125) internal successors, (12028), 8040 states have internal predecessors, (12028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:50,112 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8041 states to 8041 states and 12028 transitions.
[2024-12-02 14:30:50,112 INFO  L78                 Accepts]: Start accepts. Automaton has 8041 states and 12028 transitions. Word has length 3983
[2024-12-02 14:30:50,113 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:50,113 INFO  L471      AbstractCegarLoop]: Abstraction has 8041 states and 12028 transitions.
[2024-12-02 14:30:50,114 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 796.6) internal successors, (3983), 5 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:50,114 INFO  L276                IsEmpty]: Start isEmpty. Operand 8041 states and 12028 transitions.
[2024-12-02 14:30:50,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3984
[2024-12-02 14:30:50,177 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:30:50,178 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:30:50,178 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-12-02 14:30:50,178 INFO  L396      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:50,178 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:50,179 INFO  L85        PathProgramCache]: Analyzing trace with hash -561546823, now seen corresponding path program 1 times
[2024-12-02 14:30:50,179 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:50,179 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312687386]
[2024-12-02 14:30:50,179 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:50,179 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:54,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:58,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:30:58,752 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:58,752 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312687386]
[2024-12-02 14:30:58,752 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312687386] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:58,752 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:58,752 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:30:58,752 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496402947]
[2024-12-02 14:30:58,752 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:58,753 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:30:58,753 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:58,755 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:30:58,755 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:30:58,755 INFO  L87              Difference]: Start difference. First operand 8041 states and 12028 transitions. Second operand  has 5 states, 5 states have (on average 796.6) internal successors, (3983), 5 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:59,219 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:59,219 INFO  L93              Difference]: Finished difference Result 14947 states and 22355 transitions.
[2024-12-02 14:30:59,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:30:59,220 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 796.6) internal successors, (3983), 5 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3983
[2024-12-02 14:30:59,221 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:59,225 INFO  L225             Difference]: With dead ends: 14947
[2024-12-02 14:30:59,225 INFO  L226             Difference]: Without dead ends: 8040
[2024-12-02 14:30:59,229 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:30:59,229 INFO  L435           NwaCegarLoop]: 10383 mSDtfsCounter, 19865 mSDsluCounter, 10380 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19865 SdHoareTripleChecker+Valid, 20763 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:59,229 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19865 Valid, 20763 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 14:30:59,234 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8040 states.
[2024-12-02 14:30:59,279 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8040 to 8040.
[2024-12-02 14:30:59,285 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8040 states, 8039 states have (on average 1.4959572086080357) internal successors, (12026), 8039 states have internal predecessors, (12026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:59,292 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8040 states to 8040 states and 12026 transitions.
[2024-12-02 14:30:59,293 INFO  L78                 Accepts]: Start accepts. Automaton has 8040 states and 12026 transitions. Word has length 3983
[2024-12-02 14:30:59,293 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:59,293 INFO  L471      AbstractCegarLoop]: Abstraction has 8040 states and 12026 transitions.
[2024-12-02 14:30:59,294 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 796.6) internal successors, (3983), 5 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:30:59,294 INFO  L276                IsEmpty]: Start isEmpty. Operand 8040 states and 12026 transitions.
[2024-12-02 14:30:59,379 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3985
[2024-12-02 14:30:59,379 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:30:59,380 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:30:59,380 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-12-02 14:30:59,380 INFO  L396      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:59,380 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:59,381 INFO  L85        PathProgramCache]: Analyzing trace with hash -111536643, now seen corresponding path program 1 times
[2024-12-02 14:30:59,381 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:59,381 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756658012]
[2024-12-02 14:30:59,381 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:59,381 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:01,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:05,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:31:05,813 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:05,813 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756658012]
[2024-12-02 14:31:05,813 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756658012] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:05,814 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:31:05,814 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:31:05,814 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030840215]
[2024-12-02 14:31:05,814 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:05,815 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:31:05,815 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:05,817 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:31:05,817 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:31:05,818 INFO  L87              Difference]: Start difference. First operand 8040 states and 12026 transitions. Second operand  has 5 states, 5 states have (on average 796.8) internal successors, (3984), 5 states have internal predecessors, (3984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:06,726 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:06,726 INFO  L93              Difference]: Finished difference Result 14946 states and 22352 transitions.
[2024-12-02 14:31:06,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:31:06,728 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 796.8) internal successors, (3984), 5 states have internal predecessors, (3984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3984
[2024-12-02 14:31:06,728 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:06,733 INFO  L225             Difference]: With dead ends: 14946
[2024-12-02 14:31:06,733 INFO  L226             Difference]: Without dead ends: 8040
[2024-12-02 14:31:06,737 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:31:06,737 INFO  L435           NwaCegarLoop]: 10163 mSDtfsCounter, 10235 mSDsluCounter, 10158 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10235 SdHoareTripleChecker+Valid, 20321 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:06,737 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10235 Valid, 20321 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 14:31:06,743 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8040 states.
[2024-12-02 14:31:06,791 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8040 to 8040.
[2024-12-02 14:31:06,797 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8040 states, 8039 states have (on average 1.4957084214454535) internal successors, (12024), 8039 states have internal predecessors, (12024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:06,805 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8040 states to 8040 states and 12024 transitions.
[2024-12-02 14:31:06,805 INFO  L78                 Accepts]: Start accepts. Automaton has 8040 states and 12024 transitions. Word has length 3984
[2024-12-02 14:31:06,806 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:06,806 INFO  L471      AbstractCegarLoop]: Abstraction has 8040 states and 12024 transitions.
[2024-12-02 14:31:06,807 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 796.8) internal successors, (3984), 5 states have internal predecessors, (3984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:06,807 INFO  L276                IsEmpty]: Start isEmpty. Operand 8040 states and 12024 transitions.
[2024-12-02 14:31:06,941 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3986
[2024-12-02 14:31:06,941 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:31:06,942 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:31:06,943 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-12-02 14:31:06,943 INFO  L396      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:06,946 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:06,946 INFO  L85        PathProgramCache]: Analyzing trace with hash 1021952145, now seen corresponding path program 1 times
[2024-12-02 14:31:06,947 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:06,947 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582256268]
[2024-12-02 14:31:06,947 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:06,947 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:12,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:17,661 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:31:17,661 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:17,661 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582256268]
[2024-12-02 14:31:17,661 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582256268] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:17,661 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:31:17,662 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:31:17,662 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444261859]
[2024-12-02 14:31:17,662 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:17,663 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:31:17,663 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:17,665 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:31:17,665 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:31:17,665 INFO  L87              Difference]: Start difference. First operand 8040 states and 12024 transitions. Second operand  has 5 states, 5 states have (on average 797.0) internal successors, (3985), 5 states have internal predecessors, (3985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:18,170 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:18,171 INFO  L93              Difference]: Finished difference Result 14946 states and 22348 transitions.
[2024-12-02 14:31:18,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:31:18,264 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 797.0) internal successors, (3985), 5 states have internal predecessors, (3985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3985
[2024-12-02 14:31:18,265 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:18,269 INFO  L225             Difference]: With dead ends: 14946
[2024-12-02 14:31:18,269 INFO  L226             Difference]: Without dead ends: 8040
[2024-12-02 14:31:18,270 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:31:18,271 INFO  L435           NwaCegarLoop]: 10381 mSDtfsCounter, 19771 mSDsluCounter, 10378 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19771 SdHoareTripleChecker+Valid, 20759 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:18,271 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19771 Valid, 20759 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 14:31:18,277 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8040 states.
[2024-12-02 14:31:18,319 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8040 to 8040.
[2024-12-02 14:31:18,325 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8040 states, 8039 states have (on average 1.4955840278641621) internal successors, (12023), 8039 states have internal predecessors, (12023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:18,332 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8040 states to 8040 states and 12023 transitions.
[2024-12-02 14:31:18,333 INFO  L78                 Accepts]: Start accepts. Automaton has 8040 states and 12023 transitions. Word has length 3985
[2024-12-02 14:31:18,333 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:18,333 INFO  L471      AbstractCegarLoop]: Abstraction has 8040 states and 12023 transitions.
[2024-12-02 14:31:18,334 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 797.0) internal successors, (3985), 5 states have internal predecessors, (3985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:18,334 INFO  L276                IsEmpty]: Start isEmpty. Operand 8040 states and 12023 transitions.
[2024-12-02 14:31:18,397 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3987
[2024-12-02 14:31:18,397 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:31:18,398 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:31:18,398 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-12-02 14:31:18,398 INFO  L396      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:18,398 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:18,399 INFO  L85        PathProgramCache]: Analyzing trace with hash 1130741830, now seen corresponding path program 1 times
[2024-12-02 14:31:18,399 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:18,399 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858135599]
[2024-12-02 14:31:18,399 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:18,399 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:19,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:23,149 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:31:23,149 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:23,149 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858135599]
[2024-12-02 14:31:23,149 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858135599] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:23,149 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:31:23,150 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:31:23,150 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130060132]
[2024-12-02 14:31:23,150 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:23,151 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:31:23,152 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:23,153 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:31:23,153 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:31:23,153 INFO  L87              Difference]: Start difference. First operand 8040 states and 12023 transitions. Second operand  has 4 states, 4 states have (on average 996.5) internal successors, (3986), 4 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:24,008 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:24,008 INFO  L93              Difference]: Finished difference Result 17226 states and 25762 transitions.
[2024-12-02 14:31:24,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:31:24,009 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 996.5) internal successors, (3986), 4 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3986
[2024-12-02 14:31:24,011 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:24,015 INFO  L225             Difference]: With dead ends: 17226
[2024-12-02 14:31:24,015 INFO  L226             Difference]: Without dead ends: 8040
[2024-12-02 14:31:24,020 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 14:31:24,020 INFO  L435           NwaCegarLoop]: 10553 mSDtfsCounter, 2190 mSDsluCounter, 20708 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2190 SdHoareTripleChecker+Valid, 31261 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:24,020 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2190 Valid, 31261 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 14:31:24,026 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8040 states.
[2024-12-02 14:31:24,177 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8040 to 8040.
[2024-12-02 14:31:24,183 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8040 states, 8039 states have (on average 1.495459634282871) internal successors, (12022), 8039 states have internal predecessors, (12022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:24,191 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8040 states to 8040 states and 12022 transitions.
[2024-12-02 14:31:24,191 INFO  L78                 Accepts]: Start accepts. Automaton has 8040 states and 12022 transitions. Word has length 3986
[2024-12-02 14:31:24,192 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:24,192 INFO  L471      AbstractCegarLoop]: Abstraction has 8040 states and 12022 transitions.
[2024-12-02 14:31:24,192 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 996.5) internal successors, (3986), 4 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:24,192 INFO  L276                IsEmpty]: Start isEmpty. Operand 8040 states and 12022 transitions.
[2024-12-02 14:31:24,260 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3987
[2024-12-02 14:31:24,260 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:31:24,261 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:31:24,261 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-12-02 14:31:24,261 INFO  L396      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:24,261 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:24,262 INFO  L85        PathProgramCache]: Analyzing trace with hash -866720683, now seen corresponding path program 1 times
[2024-12-02 14:31:24,262 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:24,262 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220003760]
[2024-12-02 14:31:24,262 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:24,262 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:26,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:31,330 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:31:31,331 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:31,331 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220003760]
[2024-12-02 14:31:31,331 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220003760] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:31,331 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:31:31,331 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:31:31,331 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788124631]
[2024-12-02 14:31:31,331 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:31,332 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:31:31,332 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:31,334 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:31:31,334 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:31:31,334 INFO  L87              Difference]: Start difference. First operand 8040 states and 12022 transitions. Second operand  has 5 states, 5 states have (on average 797.2) internal successors, (3986), 5 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:32,550 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:32,550 INFO  L93              Difference]: Finished difference Result 14946 states and 22344 transitions.
[2024-12-02 14:31:32,550 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:31:32,551 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 797.2) internal successors, (3986), 5 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3986
[2024-12-02 14:31:32,552 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:32,556 INFO  L225             Difference]: With dead ends: 14946
[2024-12-02 14:31:32,556 INFO  L226             Difference]: Without dead ends: 8040
[2024-12-02 14:31:32,560 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:31:32,560 INFO  L435           NwaCegarLoop]: 10162 mSDtfsCounter, 10182 mSDsluCounter, 10158 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10182 SdHoareTripleChecker+Valid, 20320 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:32,560 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10182 Valid, 20320 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 14:31:32,567 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8040 states.
[2024-12-02 14:31:32,613 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8040 to 8040.
[2024-12-02 14:31:32,619 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8040 states, 8039 states have (on average 1.4953352407015799) internal successors, (12021), 8039 states have internal predecessors, (12021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:32,627 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8040 states to 8040 states and 12021 transitions.
[2024-12-02 14:31:32,627 INFO  L78                 Accepts]: Start accepts. Automaton has 8040 states and 12021 transitions. Word has length 3986
[2024-12-02 14:31:32,628 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:32,628 INFO  L471      AbstractCegarLoop]: Abstraction has 8040 states and 12021 transitions.
[2024-12-02 14:31:32,628 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 797.2) internal successors, (3986), 5 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:32,629 INFO  L276                IsEmpty]: Start isEmpty. Operand 8040 states and 12021 transitions.
[2024-12-02 14:31:32,698 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3988
[2024-12-02 14:31:32,698 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:31:32,698 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:31:32,698 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-12-02 14:31:32,699 INFO  L396      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:32,699 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:32,699 INFO  L85        PathProgramCache]: Analyzing trace with hash 287596969, now seen corresponding path program 1 times
[2024-12-02 14:31:32,700 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:32,700 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341763917]
[2024-12-02 14:31:32,700 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:32,700 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:36,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:42,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:31:42,250 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:42,251 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341763917]
[2024-12-02 14:31:42,251 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341763917] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:42,251 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:31:42,251 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:31:42,251 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466672728]
[2024-12-02 14:31:42,251 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:42,252 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:31:42,253 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:42,254 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:31:42,254 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:31:42,254 INFO  L87              Difference]: Start difference. First operand 8040 states and 12021 transitions. Second operand  has 5 states, 5 states have (on average 797.4) internal successors, (3987), 5 states have internal predecessors, (3987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:42,434 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:42,434 INFO  L93              Difference]: Finished difference Result 14947 states and 22344 transitions.
[2024-12-02 14:31:42,434 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:31:42,435 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 797.4) internal successors, (3987), 5 states have internal predecessors, (3987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3987
[2024-12-02 14:31:42,436 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:42,440 INFO  L225             Difference]: With dead ends: 14947
[2024-12-02 14:31:42,440 INFO  L226             Difference]: Without dead ends: 8041
[2024-12-02 14:31:42,444 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:31:42,444 INFO  L435           NwaCegarLoop]: 10637 mSDtfsCounter, 9587 mSDsluCounter, 21269 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9587 SdHoareTripleChecker+Valid, 31906 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:42,444 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9587 Valid, 31906 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:31:42,450 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8041 states.
[2024-12-02 14:31:42,499 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8041 to 8041.
[2024-12-02 14:31:42,505 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8041 states, 8040 states have (on average 1.495273631840796) internal successors, (12022), 8040 states have internal predecessors, (12022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:42,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8041 states to 8041 states and 12022 transitions.
[2024-12-02 14:31:42,513 INFO  L78                 Accepts]: Start accepts. Automaton has 8041 states and 12022 transitions. Word has length 3987
[2024-12-02 14:31:42,514 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:42,514 INFO  L471      AbstractCegarLoop]: Abstraction has 8041 states and 12022 transitions.
[2024-12-02 14:31:42,514 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 797.4) internal successors, (3987), 5 states have internal predecessors, (3987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:42,514 INFO  L276                IsEmpty]: Start isEmpty. Operand 8041 states and 12022 transitions.
[2024-12-02 14:31:42,581 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3988
[2024-12-02 14:31:42,581 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:31:42,581 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:31:42,582 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-12-02 14:31:42,582 INFO  L396      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:42,582 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:42,582 INFO  L85        PathProgramCache]: Analyzing trace with hash 980804969, now seen corresponding path program 1 times
[2024-12-02 14:31:42,583 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:42,583 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304497007]
[2024-12-02 14:31:42,583 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:42,583 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:46,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:51,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:31:51,901 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:51,901 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304497007]
[2024-12-02 14:31:51,901 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304497007] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:51,901 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:31:51,902 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:31:51,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002468827]
[2024-12-02 14:31:51,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:51,903 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:31:51,903 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:51,905 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:31:51,905 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:31:51,906 INFO  L87              Difference]: Start difference. First operand 8041 states and 12022 transitions. Second operand  has 5 states, 5 states have (on average 797.4) internal successors, (3987), 5 states have internal predecessors, (3987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:52,416 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:52,416 INFO  L93              Difference]: Finished difference Result 14948 states and 22344 transitions.
[2024-12-02 14:31:52,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:31:52,418 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 797.4) internal successors, (3987), 5 states have internal predecessors, (3987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3987
[2024-12-02 14:31:52,418 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:52,423 INFO  L225             Difference]: With dead ends: 14948
[2024-12-02 14:31:52,424 INFO  L226             Difference]: Without dead ends: 8041
[2024-12-02 14:31:52,427 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:31:52,428 INFO  L435           NwaCegarLoop]: 10379 mSDtfsCounter, 19701 mSDsluCounter, 10376 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19701 SdHoareTripleChecker+Valid, 20755 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:52,428 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19701 Valid, 20755 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 14:31:52,435 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8041 states.
[2024-12-02 14:31:52,483 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8041 to 8041.
[2024-12-02 14:31:52,489 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8041 states, 8040 states have (on average 1.4951492537313433) internal successors, (12021), 8040 states have internal predecessors, (12021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:52,497 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8041 states to 8041 states and 12021 transitions.
[2024-12-02 14:31:52,497 INFO  L78                 Accepts]: Start accepts. Automaton has 8041 states and 12021 transitions. Word has length 3987
[2024-12-02 14:31:52,497 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:52,497 INFO  L471      AbstractCegarLoop]: Abstraction has 8041 states and 12021 transitions.
[2024-12-02 14:31:52,498 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 797.4) internal successors, (3987), 5 states have internal predecessors, (3987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:52,499 INFO  L276                IsEmpty]: Start isEmpty. Operand 8041 states and 12021 transitions.
[2024-12-02 14:31:52,819 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3989
[2024-12-02 14:31:52,819 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:31:52,820 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:31:52,820 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-12-02 14:31:52,820 INFO  L396      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:52,820 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:52,821 INFO  L85        PathProgramCache]: Analyzing trace with hash -1103747384, now seen corresponding path program 1 times
[2024-12-02 14:31:52,821 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:52,821 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771447595]
[2024-12-02 14:31:52,821 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:52,821 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:53,740 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:57,563 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:31:57,563 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:57,563 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771447595]
[2024-12-02 14:31:57,563 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771447595] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:57,563 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:31:57,563 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:31:57,563 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960883947]
[2024-12-02 14:31:57,563 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:57,565 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:31:57,566 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:57,567 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:31:57,567 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:31:57,567 INFO  L87              Difference]: Start difference. First operand 8041 states and 12021 transitions. Second operand  has 4 states, 4 states have (on average 997.0) internal successors, (3988), 4 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:58,728 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:58,728 INFO  L93              Difference]: Finished difference Result 17170 states and 25671 transitions.
[2024-12-02 14:31:58,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:31:58,729 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 997.0) internal successors, (3988), 4 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3988
[2024-12-02 14:31:58,730 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:58,735 INFO  L225             Difference]: With dead ends: 17170
[2024-12-02 14:31:58,735 INFO  L226             Difference]: Without dead ends: 8041
[2024-12-02 14:31:58,738 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 14:31:58,738 INFO  L435           NwaCegarLoop]: 10557 mSDtfsCounter, 2138 mSDsluCounter, 20711 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2138 SdHoareTripleChecker+Valid, 31268 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:58,738 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2138 Valid, 31268 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 14:31:58,744 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8041 states.
[2024-12-02 14:31:58,789 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8041 to 8041.
[2024-12-02 14:31:58,795 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8041 states, 8040 states have (on average 1.4950248756218905) internal successors, (12020), 8040 states have internal predecessors, (12020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:58,802 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8041 states to 8041 states and 12020 transitions.
[2024-12-02 14:31:58,803 INFO  L78                 Accepts]: Start accepts. Automaton has 8041 states and 12020 transitions. Word has length 3988
[2024-12-02 14:31:58,803 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:58,803 INFO  L471      AbstractCegarLoop]: Abstraction has 8041 states and 12020 transitions.
[2024-12-02 14:31:58,804 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 997.0) internal successors, (3988), 4 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:31:58,804 INFO  L276                IsEmpty]: Start isEmpty. Operand 8041 states and 12020 transitions.
[2024-12-02 14:31:58,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3989
[2024-12-02 14:31:58,868 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:31:58,869 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:31:58,869 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-12-02 14:31:58,869 INFO  L396      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:58,869 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:58,870 INFO  L85        PathProgramCache]: Analyzing trace with hash 624656151, now seen corresponding path program 1 times
[2024-12-02 14:31:58,870 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:58,870 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114885542]
[2024-12-02 14:31:58,871 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:58,871 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:32:01,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:32:06,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:32:06,269 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:32:06,269 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114885542]
[2024-12-02 14:32:06,269 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114885542] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:32:06,269 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:32:06,269 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:32:06,269 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688029389]
[2024-12-02 14:32:06,269 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:32:06,271 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:32:06,271 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:32:06,272 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:32:06,272 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:32:06,273 INFO  L87              Difference]: Start difference. First operand 8041 states and 12020 transitions. Second operand  has 5 states, 5 states have (on average 797.6) internal successors, (3988), 5 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:32:07,157 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:32:07,158 INFO  L93              Difference]: Finished difference Result 14948 states and 22340 transitions.
[2024-12-02 14:32:07,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:32:07,159 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 797.6) internal successors, (3988), 5 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3988
[2024-12-02 14:32:07,159 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:32:07,165 INFO  L225             Difference]: With dead ends: 14948
[2024-12-02 14:32:07,165 INFO  L226             Difference]: Without dead ends: 8041
[2024-12-02 14:32:07,168 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:32:07,169 INFO  L435           NwaCegarLoop]: 10161 mSDtfsCounter, 10153 mSDsluCounter, 10156 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10153 SdHoareTripleChecker+Valid, 20317 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:32:07,169 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10153 Valid, 20317 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 14:32:07,176 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8041 states.
[2024-12-02 14:32:07,226 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8041 to 8041.
[2024-12-02 14:32:07,233 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8041 states, 8040 states have (on average 1.4949004975124378) internal successors, (12019), 8040 states have internal predecessors, (12019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:32:07,240 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8041 states to 8041 states and 12019 transitions.
[2024-12-02 14:32:07,240 INFO  L78                 Accepts]: Start accepts. Automaton has 8041 states and 12019 transitions. Word has length 3988
[2024-12-02 14:32:07,241 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:32:07,241 INFO  L471      AbstractCegarLoop]: Abstraction has 8041 states and 12019 transitions.
[2024-12-02 14:32:07,242 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 797.6) internal successors, (3988), 5 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:32:07,242 INFO  L276                IsEmpty]: Start isEmpty. Operand 8041 states and 12019 transitions.
[2024-12-02 14:32:07,327 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3990
[2024-12-02 14:32:07,327 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:32:07,328 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-12-02 14:32:07,328 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-12-02 14:32:07,328 INFO  L396      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:32:07,329 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:32:07,330 INFO  L85        PathProgramCache]: Analyzing trace with hash -263725631, now seen corresponding path program 1 times
[2024-12-02 14:32:07,330 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:32:07,330 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222238541]
[2024-12-02 14:32:07,330 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:32:07,330 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:32:11,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:32:16,619 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:32:16,619 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:32:16,619 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222238541]
[2024-12-02 14:32:16,619 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222238541] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:32:16,619 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:32:16,619 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:32:16,620 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108734946]
[2024-12-02 14:32:16,620 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:32:16,621 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:32:16,621 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:32:16,623 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:32:16,623 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:32:16,623 INFO  L87              Difference]: Start difference. First operand 8041 states and 12019 transitions. Second operand  has 5 states, 5 states have (on average 797.8) internal successors, (3989), 5 states have internal predecessors, (3989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:32:16,803 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:32:16,803 INFO  L93              Difference]: Finished difference Result 14949 states and 22340 transitions.
[2024-12-02 14:32:16,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:32:16,805 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 797.8) internal successors, (3989), 5 states have internal predecessors, (3989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3989
[2024-12-02 14:32:16,805 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:32:16,811 INFO  L225             Difference]: With dead ends: 14949
[2024-12-02 14:32:16,811 INFO  L226             Difference]: Without dead ends: 8042
[2024-12-02 14:32:16,814 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:32:16,815 INFO  L435           NwaCegarLoop]: 10634 mSDtfsCounter, 9552 mSDsluCounter, 21263 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9552 SdHoareTripleChecker+Valid, 31897 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:32:16,815 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9552 Valid, 31897 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:32:16,821 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8042 states.
[2024-12-02 14:32:16,869 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8042 to 8042.
[2024-12-02 14:32:16,875 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8042 states, 8041 states have (on average 1.494838950379306) internal successors, (12020), 8041 states have internal predecessors, (12020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:32:16,883 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8042 states to 8042 states and 12020 transitions.
[2024-12-02 14:32:16,883 INFO  L78                 Accepts]: Start accepts. Automaton has 8042 states and 12020 transitions. Word has length 3989
[2024-12-02 14:32:16,884 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:32:16,884 INFO  L471      AbstractCegarLoop]: Abstraction has 8042 states and 12020 transitions.
[2024-12-02 14:32:16,884 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 797.8) internal successors, (3989), 5 states have internal predecessors, (3989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:32:16,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 8042 states and 12020 transitions.
[2024-12-02 14:32:17,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3990
[2024-12-02 14:32:17,215 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:32:17,216 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:32:17,216 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-12-02 14:32:17,216 INFO  L396      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:32:17,217 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:32:17,217 INFO  L85        PathProgramCache]: Analyzing trace with hash 1082552705, now seen corresponding path program 1 times
[2024-12-02 14:32:17,217 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:32:17,217 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636904057]
[2024-12-02 14:32:17,217 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:32:17,217 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:32:21,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:32:26,521 INFO  L134       CoverageAnalysis]: Checked inductivity of 448 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:32:26,521 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:32:26,521 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636904057]
[2024-12-02 14:32:26,521 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636904057] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:32:26,521 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:32:26,521 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:32:26,521 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81668085]
[2024-12-02 14:32:26,521 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:32:26,523 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:32:26,523 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:32:26,524 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:32:26,524 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:32:26,524 INFO  L87              Difference]: Start difference. First operand 8042 states and 12020 transitions. Second operand  has 5 states, 5 states have (on average 797.8) internal successors, (3989), 5 states have internal predecessors, (3989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:32:26,962 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:32:26,962 INFO  L93              Difference]: Finished difference Result 14950 states and 22340 transitions.
[2024-12-02 14:32:26,962 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 14:32:26,963 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 797.8) internal successors, (3989), 5 states have internal predecessors, (3989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3989
[2024-12-02 14:32:26,964 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:32:26,969 INFO  L225             Difference]: With dead ends: 14950
[2024-12-02 14:32:26,969 INFO  L226             Difference]: Without dead ends: 8042
[2024-12-02 14:32:26,972 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:32:26,972 INFO  L435           NwaCegarLoop]: 10377 mSDtfsCounter, 19547 mSDsluCounter, 10374 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19547 SdHoareTripleChecker+Valid, 20751 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 14:32:26,972 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19547 Valid, 20751 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 14:32:26,978 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8042 states.
[2024-12-02 14:32:27,025 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8042 to 8042.
[2024-12-02 14:32:27,031 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8042 states, 8041 states have (on average 1.4947145877378436) internal successors, (12019), 8041 states have internal predecessors, (12019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:32:27,038 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8042 states to 8042 states and 12019 transitions.
[2024-12-02 14:32:27,039 INFO  L78                 Accepts]: Start accepts. Automaton has 8042 states and 12019 transitions. Word has length 3989
[2024-12-02 14:32:27,039 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:32:27,039 INFO  L471      AbstractCegarLoop]: Abstraction has 8042 states and 12019 transitions.
[2024-12-02 14:32:27,040 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 797.8) internal successors, (3989), 5 states have internal predecessors, (3989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:32:27,040 INFO  L276                IsEmpty]: Start isEmpty. Operand 8042 states and 12019 transitions.
[2024-12-02 14:32:27,121 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3991
[2024-12-02 14:32:27,121 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 14:32:27,122 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 14:32:27,122 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2024-12-02 14:32:27,122 INFO  L396      AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:32:27,123 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:32:27,123 INFO  L85        PathProgramCache]: Analyzing trace with hash 1212988791, now seen corresponding path program 1 times
[2024-12-02 14:32:27,123 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:32:27,123 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162945120]
[2024-12-02 14:32:27,123 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:32:27,123 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:32:27,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat