./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.5.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 551b0097
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.5.prop1-func-interl.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash df2ee8516ab66174091d97d97f7764805d73fe04feab840ebc68f1fae44f290b
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-551b009-m
[2025-01-09 07:19:24,940 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-01-09 07:19:24,989 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-01-09 07:19:24,993 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-01-09 07:19:24,993 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-01-09 07:19:25,019 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-01-09 07:19:25,020 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-01-09 07:19:25,021 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-01-09 07:19:25,021 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-01-09 07:19:25,021 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-01-09 07:19:25,022 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-01-09 07:19:25,022 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-01-09 07:19:25,022 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-01-09 07:19:25,022 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-01-09 07:19:25,023 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-01-09 07:19:25,023 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-01-09 07:19:25,023 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-01-09 07:19:25,023 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-01-09 07:19:25,023 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-01-09 07:19:25,023 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-01-09 07:19:25,023 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-01-09 07:19:25,023 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-01-09 07:19:25,023 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-01-09 07:19:25,024 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-01-09 07:19:25,024 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-01-09 07:19:25,024 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-01-09 07:19:25,024 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-01-09 07:19:25,024 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-01-09 07:19:25,024 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-01-09 07:19:25,024 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 07:19:25,024 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-01-09 07:19:25,024 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-01-09 07:19:25,025 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-01-09 07:19:25,025 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-01-09 07:19:25,025 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 07:19:25,025 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-01-09 07:19:25,025 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-01-09 07:19:25,025 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-01-09 07:19:25,025 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-01-09 07:19:25,025 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-01-09 07:19:25,025 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-01-09 07:19:25,026 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-01-09 07:19:25,026 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-01-09 07:19:25,026 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-01-09 07:19:25,026 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-01-09 07:19:25,026 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df2ee8516ab66174091d97d97f7764805d73fe04feab840ebc68f1fae44f290b
[2025-01-09 07:19:25,220 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-01-09 07:19:25,227 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-01-09 07:19:25,229 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-01-09 07:19:25,230 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-01-09 07:19:25,230 INFO  L274        PluginConnector]: CDTParser initialized
[2025-01-09 07:19:25,231 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.5.prop1-func-interl.c
[2025-01-09 07:19:26,480 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d2ffc5e54/e330fbc9a6c941da985c81a13d28ed1d/FLAGfbdd23dda
[2025-01-09 07:19:26,952 INFO  L384              CDTParser]: Found 1 translation units.
[2025-01-09 07:19:26,953 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.5.prop1-func-interl.c
[2025-01-09 07:19:26,984 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d2ffc5e54/e330fbc9a6c941da985c81a13d28ed1d/FLAGfbdd23dda
[2025-01-09 07:19:27,068 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d2ffc5e54/e330fbc9a6c941da985c81a13d28ed1d
[2025-01-09 07:19:27,070 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-01-09 07:19:27,071 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-01-09 07:19:27,072 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-01-09 07:19:27,072 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-01-09 07:19:27,077 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-01-09 07:19:27,077 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:19:27" (1/1) ...
[2025-01-09 07:19:27,078 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dd3755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:27, skipping insertion in model container
[2025-01-09 07:19:27,078 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:19:27" (1/1) ...
[2025-01-09 07:19:27,160 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-01-09 07:19:27,319 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.5.prop1-func-interl.c[1172,1185]
[2025-01-09 07:19:27,850 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-01-09 07:19:27,857 INFO  L200         MainTranslator]: Completed pre-run
[2025-01-09 07:19:27,864 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.5.prop1-func-interl.c[1172,1185]
[2025-01-09 07:19:28,153 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-01-09 07:19:28,165 INFO  L204         MainTranslator]: Completed translation
[2025-01-09 07:19:28,165 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28 WrapperNode
[2025-01-09 07:19:28,166 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-01-09 07:19:28,167 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-01-09 07:19:28,167 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-01-09 07:19:28,167 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-01-09 07:19:28,171 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:28,271 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:29,156 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14870
[2025-01-09 07:19:29,158 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-01-09 07:19:29,158 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-01-09 07:19:29,158 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-01-09 07:19:29,158 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-01-09 07:19:29,166 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:29,166 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:29,465 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:29,670 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].
[2025-01-09 07:19:29,670 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:29,670 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:29,911 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:29,962 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:30,070 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:30,143 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:30,202 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:30,348 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-01-09 07:19:30,350 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-01-09 07:19:30,350 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-01-09 07:19:30,350 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-01-09 07:19:30,351 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (1/1) ...
[2025-01-09 07:19:30,354 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 07:19:30,362 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-01-09 07:19:30,373 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-01-09 07:19:30,374 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-01-09 07:19:30,391 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-01-09 07:19:30,391 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-01-09 07:19:30,392 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-01-09 07:19:30,392 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-01-09 07:19:31,096 INFO  L234             CfgBuilder]: Building ICFG
[2025-01-09 07:19:31,098 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-01-09 07:19:43,056 INFO  L?                        ?]: Removed 9835 outVars from TransFormulas that were not future-live.
[2025-01-09 07:19:43,056 INFO  L283             CfgBuilder]: Performing block encoding
[2025-01-09 07:19:43,121 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-01-09 07:19:43,125 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2025-01-09 07:19:43,125 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:19:43 BoogieIcfgContainer
[2025-01-09 07:19:43,125 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-01-09 07:19:43,127 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-01-09 07:19:43,127 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-01-09 07:19:43,131 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-01-09 07:19:43,131 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:19:27" (1/3) ...
[2025-01-09 07:19:43,131 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb96a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:19:43, skipping insertion in model container
[2025-01-09 07:19:43,131 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:19:28" (2/3) ...
[2025-01-09 07:19:43,131 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb96a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:19:43, skipping insertion in model container
[2025-01-09 07:19:43,132 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:19:43" (3/3) ...
[2025-01-09 07:19:43,133 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.frogs.5.prop1-func-interl.c
[2025-01-09 07:19:43,144 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-01-09 07:19:43,145 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.frogs.5.prop1-func-interl.c that has 1 procedures, 4166 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-01-09 07:19:43,241 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-01-09 07:19:43,248 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;@73d26def, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-01-09 07:19:43,248 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-01-09 07:19:43,258 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4166 states, 4164 states have (on average 1.5069644572526417) internal successors, (6275), 4165 states have internal predecessors, (6275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:43,264 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2025-01-09 07:19:43,264 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:19:43,265 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]
[2025-01-09 07:19:43,265 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:19:43,268 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:19:43,269 INFO  L85        PathProgramCache]: Analyzing trace with hash -271948190, now seen corresponding path program 1 times
[2025-01-09 07:19:43,273 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:19:43,274 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039985745]
[2025-01-09 07:19:43,274 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:19:43,274 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:19:43,404 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes.
[2025-01-09 07:19:43,490 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements.
[2025-01-09 07:19:43,490 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:19:43,490 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:19:44,005 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:19:44,006 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:19:44,006 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039985745]
[2025-01-09 07:19:44,006 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039985745] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:19:44,006 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:19:44,006 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:19:44,007 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333530378]
[2025-01-09 07:19:44,008 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:19:44,010 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:19:44,010 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:19:44,022 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:19:44,023 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:19:44,031 INFO  L87              Difference]: Start difference. First operand  has 4166 states, 4164 states have (on average 1.5069644572526417) internal successors, (6275), 4165 states have internal predecessors, (6275), 0 states have call successors, (0), 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 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:44,235 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:19:44,237 INFO  L93              Difference]: Finished difference Result 8181 states and 12327 transitions.
[2025-01-09 07:19:44,238 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:19:44,239 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 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 101
[2025-01-09 07:19:44,239 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:19:44,270 INFO  L225             Difference]: With dead ends: 8181
[2025-01-09 07:19:44,270 INFO  L226             Difference]: Without dead ends: 4165
[2025-01-09 07:19:44,281 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
[2025-01-09 07:19:44,285 INFO  L435           NwaCegarLoop]: 6269 mSDtfsCounter, 0 mSDsluCounter, 12532 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18801 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:19:44,286 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18801 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:19:44,302 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4165 states.
[2025-01-09 07:19:44,404 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165.
[2025-01-09 07:19:44,409 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4165 states, 4164 states have (on average 1.5064841498559078) internal successors, (6273), 4164 states have internal predecessors, (6273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:44,423 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 6273 transitions.
[2025-01-09 07:19:44,424 INFO  L78                 Accepts]: Start accepts. Automaton has 4165 states and 6273 transitions. Word has length 101
[2025-01-09 07:19:44,425 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:19:44,425 INFO  L471      AbstractCegarLoop]: Abstraction has 4165 states and 6273 transitions.
[2025-01-09 07:19:44,425 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:44,425 INFO  L276                IsEmpty]: Start isEmpty. Operand 4165 states and 6273 transitions.
[2025-01-09 07:19:44,427 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2025-01-09 07:19:44,427 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:19:44,427 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]
[2025-01-09 07:19:44,428 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-01-09 07:19:44,428 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:19:44,428 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:19:44,428 INFO  L85        PathProgramCache]: Analyzing trace with hash 161236479, now seen corresponding path program 1 times
[2025-01-09 07:19:44,428 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:19:44,428 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594295951]
[2025-01-09 07:19:44,428 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:19:44,428 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:19:44,496 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes.
[2025-01-09 07:19:44,518 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements.
[2025-01-09 07:19:44,518 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:19:44,518 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:19:44,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:19:44,683 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:19:44,683 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594295951]
[2025-01-09 07:19:44,683 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594295951] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:19:44,684 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:19:44,684 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:19:44,684 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608413943]
[2025-01-09 07:19:44,684 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:19:44,685 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:19:44,685 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:19:44,686 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:19:44,686 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:19:44,686 INFO  L87              Difference]: Start difference. First operand 4165 states and 6273 transitions. Second operand  has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:44,793 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:19:44,793 INFO  L93              Difference]: Finished difference Result 8182 states and 12325 transitions.
[2025-01-09 07:19:44,794 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:19:44,794 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 102
[2025-01-09 07:19:44,794 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:19:44,808 INFO  L225             Difference]: With dead ends: 8182
[2025-01-09 07:19:44,808 INFO  L226             Difference]: Without dead ends: 4167
[2025-01-09 07:19:44,812 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
[2025-01-09 07:19:44,813 INFO  L435           NwaCegarLoop]: 6269 mSDtfsCounter, 0 mSDsluCounter, 12528 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18797 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:19:44,814 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18797 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:19:44,819 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4167 states.
[2025-01-09 07:19:44,863 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4167 to 4167.
[2025-01-09 07:19:44,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4167 states, 4166 states have (on average 1.5062409985597696) internal successors, (6275), 4166 states have internal predecessors, (6275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:44,878 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4167 states to 4167 states and 6275 transitions.
[2025-01-09 07:19:44,878 INFO  L78                 Accepts]: Start accepts. Automaton has 4167 states and 6275 transitions. Word has length 102
[2025-01-09 07:19:44,879 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:19:44,879 INFO  L471      AbstractCegarLoop]: Abstraction has 4167 states and 6275 transitions.
[2025-01-09 07:19:44,879 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:44,879 INFO  L276                IsEmpty]: Start isEmpty. Operand 4167 states and 6275 transitions.
[2025-01-09 07:19:44,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2025-01-09 07:19:44,883 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:19:44,883 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]
[2025-01-09 07:19:44,884 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-01-09 07:19:44,884 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:19:44,884 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:19:44,887 INFO  L85        PathProgramCache]: Analyzing trace with hash -394601765, now seen corresponding path program 1 times
[2025-01-09 07:19:44,887 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:19:44,887 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906885725]
[2025-01-09 07:19:44,887 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:19:44,887 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:19:44,953 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes.
[2025-01-09 07:19:44,973 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements.
[2025-01-09 07:19:44,975 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:19:44,975 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:19:45,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:19:45,175 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:19:45,175 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906885725]
[2025-01-09 07:19:45,176 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906885725] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:19:45,176 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:19:45,176 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-01-09 07:19:45,176 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041119967]
[2025-01-09 07:19:45,176 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:19:45,176 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-01-09 07:19:45,177 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:19:45,178 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-01-09 07:19:45,178 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:19:45,178 INFO  L87              Difference]: Start difference. First operand 4167 states and 6275 transitions. Second operand  has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:45,380 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:19:45,380 INFO  L93              Difference]: Finished difference Result 12131 states and 18274 transitions.
[2025-01-09 07:19:45,381 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-01-09 07:19:45,381 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 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 103
[2025-01-09 07:19:45,383 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:19:45,408 INFO  L225             Difference]: With dead ends: 12131
[2025-01-09 07:19:45,409 INFO  L226             Difference]: Without dead ends: 8114
[2025-01-09 07:19:45,415 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
[2025-01-09 07:19:45,415 INFO  L435           NwaCegarLoop]: 6265 mSDtfsCounter, 6082 mSDsluCounter, 18566 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6082 SdHoareTripleChecker+Valid, 24831 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:19:45,416 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6082 Valid, 24831 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:19:45,426 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8114 states.
[2025-01-09 07:19:45,502 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 4205.
[2025-01-09 07:19:45,507 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.5059467174119885) internal successors, (6331), 4204 states have internal predecessors, (6331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:45,519 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6331 transitions.
[2025-01-09 07:19:45,519 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6331 transitions. Word has length 103
[2025-01-09 07:19:45,520 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:19:45,520 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6331 transitions.
[2025-01-09 07:19:45,521 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:45,521 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6331 transitions.
[2025-01-09 07:19:45,604 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2081
[2025-01-09 07:19:45,604 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:19:45,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:19:45,606 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-01-09 07:19:45,607 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:19:45,609 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:19:45,610 INFO  L85        PathProgramCache]: Analyzing trace with hash -1861875262, now seen corresponding path program 1 times
[2025-01-09 07:19:45,610 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:19:45,610 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330200012]
[2025-01-09 07:19:45,610 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:19:45,610 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:19:46,292 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2080 statements into 1 equivalence classes.
[2025-01-09 07:19:48,668 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2080 of 2080 statements.
[2025-01-09 07:19:48,669 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:19:48,669 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:19:53,213 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:19:53,213 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:19:53,214 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330200012]
[2025-01-09 07:19:53,214 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330200012] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:19:53,214 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:19:53,214 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:19:53,214 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399021609]
[2025-01-09 07:19:53,214 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:19:53,217 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:19:53,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:19:53,219 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:19:53,219 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:19:53,219 INFO  L87              Difference]: Start difference. First operand 4205 states and 6331 transitions. Second operand  has 4 states, 4 states have (on average 520.0) internal successors, (2080), 4 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:53,621 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:19:53,621 INFO  L93              Difference]: Finished difference Result 8222 states and 12382 transitions.
[2025-01-09 07:19:53,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:19:53,623 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 520.0) internal successors, (2080), 4 states have internal predecessors, (2080), 0 states have call successors, (0), 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 2080
[2025-01-09 07:19:53,623 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:19:53,635 INFO  L225             Difference]: With dead ends: 8222
[2025-01-09 07:19:53,636 INFO  L226             Difference]: Without dead ends: 4205
[2025-01-09 07:19:53,641 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:19:53,643 INFO  L435           NwaCegarLoop]: 6094 mSDtfsCounter, 6173 mSDsluCounter, 6092 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6173 SdHoareTripleChecker+Valid, 12186 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-01-09 07:19:53,644 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6173 Valid, 12186 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-01-09 07:19:53,650 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4205 states.
[2025-01-09 07:19:53,696 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4205.
[2025-01-09 07:19:53,706 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.505708848715509) internal successors, (6330), 4204 states have internal predecessors, (6330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:53,719 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6330 transitions.
[2025-01-09 07:19:53,719 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6330 transitions. Word has length 2080
[2025-01-09 07:19:53,719 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:19:53,721 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6330 transitions.
[2025-01-09 07:19:53,722 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 520.0) internal successors, (2080), 4 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:53,722 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6330 transitions.
[2025-01-09 07:19:53,808 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2082
[2025-01-09 07:19:53,809 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:19:53,810 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:19:53,810 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-01-09 07:19:53,810 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:19:53,811 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:19:53,812 INFO  L85        PathProgramCache]: Analyzing trace with hash 255920166, now seen corresponding path program 1 times
[2025-01-09 07:19:53,812 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:19:53,812 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184611718]
[2025-01-09 07:19:53,812 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:19:53,812 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:19:54,232 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2081 statements into 1 equivalence classes.
[2025-01-09 07:19:55,446 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2081 of 2081 statements.
[2025-01-09 07:19:55,447 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:19:55,447 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:19:59,291 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:19:59,292 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:19:59,292 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184611718]
[2025-01-09 07:19:59,292 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184611718] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:19:59,292 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:19:59,292 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:19:59,292 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417274462]
[2025-01-09 07:19:59,292 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:19:59,294 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:19:59,294 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:19:59,295 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:19:59,295 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:19:59,296 INFO  L87              Difference]: Start difference. First operand 4205 states and 6330 transitions. Second operand  has 4 states, 4 states have (on average 520.25) internal successors, (2081), 4 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:59,659 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:19:59,659 INFO  L93              Difference]: Finished difference Result 8222 states and 12380 transitions.
[2025-01-09 07:19:59,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:19:59,660 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 520.25) internal successors, (2081), 4 states have internal predecessors, (2081), 0 states have call successors, (0), 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 2081
[2025-01-09 07:19:59,660 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:19:59,678 INFO  L225             Difference]: With dead ends: 8222
[2025-01-09 07:19:59,678 INFO  L226             Difference]: Without dead ends: 4205
[2025-01-09 07:19:59,685 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:19:59,686 INFO  L435           NwaCegarLoop]: 6093 mSDtfsCounter, 6163 mSDsluCounter, 6091 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6163 SdHoareTripleChecker+Valid, 12184 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-01-09 07:19:59,686 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6163 Valid, 12184 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-01-09 07:19:59,691 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4205 states.
[2025-01-09 07:19:59,729 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4205.
[2025-01-09 07:19:59,733 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.5054709800190296) internal successors, (6329), 4204 states have internal predecessors, (6329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:59,736 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6329 transitions.
[2025-01-09 07:19:59,736 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6329 transitions. Word has length 2081
[2025-01-09 07:19:59,736 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:19:59,737 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6329 transitions.
[2025-01-09 07:19:59,737 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 520.25) internal successors, (2081), 4 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:19:59,737 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6329 transitions.
[2025-01-09 07:19:59,757 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2083
[2025-01-09 07:19:59,758 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:19:59,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:19:59,759 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-01-09 07:19:59,759 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:19:59,760 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:19:59,760 INFO  L85        PathProgramCache]: Analyzing trace with hash 759447331, now seen corresponding path program 1 times
[2025-01-09 07:19:59,761 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:19:59,761 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879457583]
[2025-01-09 07:19:59,761 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:19:59,762 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:20:00,173 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2082 statements into 1 equivalence classes.
[2025-01-09 07:20:01,481 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2082 of 2082 statements.
[2025-01-09 07:20:01,481 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:20:01,481 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:20:05,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:20:05,124 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:20:05,124 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879457583]
[2025-01-09 07:20:05,124 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879457583] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:20:05,125 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:20:05,127 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:20:05,128 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488707277]
[2025-01-09 07:20:05,128 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:20:05,129 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:20:05,129 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:20:05,130 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:20:05,131 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:20:05,131 INFO  L87              Difference]: Start difference. First operand 4205 states and 6329 transitions. Second operand  has 4 states, 4 states have (on average 520.5) internal successors, (2082), 4 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:05,441 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:20:05,441 INFO  L93              Difference]: Finished difference Result 8222 states and 12378 transitions.
[2025-01-09 07:20:05,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:20:05,442 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 520.5) internal successors, (2082), 4 states have internal predecessors, (2082), 0 states have call successors, (0), 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 2082
[2025-01-09 07:20:05,443 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:20:05,449 INFO  L225             Difference]: With dead ends: 8222
[2025-01-09 07:20:05,449 INFO  L226             Difference]: Without dead ends: 4205
[2025-01-09 07:20:05,452 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:20:05,454 INFO  L435           NwaCegarLoop]: 6109 mSDtfsCounter, 6087 mSDsluCounter, 6107 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6087 SdHoareTripleChecker+Valid, 12216 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-01-09 07:20:05,454 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6087 Valid, 12216 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-01-09 07:20:05,458 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4205 states.
[2025-01-09 07:20:05,488 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4205.
[2025-01-09 07:20:05,491 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.5052331113225499) internal successors, (6328), 4204 states have internal predecessors, (6328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:05,494 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6328 transitions.
[2025-01-09 07:20:05,494 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6328 transitions. Word has length 2082
[2025-01-09 07:20:05,494 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:20:05,495 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6328 transitions.
[2025-01-09 07:20:05,495 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 520.5) internal successors, (2082), 4 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:05,495 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6328 transitions.
[2025-01-09 07:20:05,515 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2084
[2025-01-09 07:20:05,515 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:20:05,516 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:20:05,516 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-01-09 07:20:05,517 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:20:05,518 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:20:05,518 INFO  L85        PathProgramCache]: Analyzing trace with hash -1661158866, now seen corresponding path program 1 times
[2025-01-09 07:20:05,518 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:20:05,518 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369250843]
[2025-01-09 07:20:05,519 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:20:05,519 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:20:05,905 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2083 statements into 1 equivalence classes.
[2025-01-09 07:20:07,363 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2083 of 2083 statements.
[2025-01-09 07:20:07,363 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:20:07,364 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:20:10,255 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:20:10,256 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:20:10,256 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369250843]
[2025-01-09 07:20:10,256 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369250843] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:20:10,256 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:20:10,256 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:20:10,256 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461566433]
[2025-01-09 07:20:10,256 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:20:10,257 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:20:10,257 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:20:10,258 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:20:10,259 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:20:10,259 INFO  L87              Difference]: Start difference. First operand 4205 states and 6328 transitions. Second operand  has 4 states, 4 states have (on average 520.75) internal successors, (2083), 4 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:10,570 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:20:10,571 INFO  L93              Difference]: Finished difference Result 8222 states and 12376 transitions.
[2025-01-09 07:20:10,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:20:10,574 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 520.75) internal successors, (2083), 4 states have internal predecessors, (2083), 0 states have call successors, (0), 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 2083
[2025-01-09 07:20:10,574 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:20:10,580 INFO  L225             Difference]: With dead ends: 8222
[2025-01-09 07:20:10,580 INFO  L226             Difference]: Without dead ends: 4205
[2025-01-09 07:20:10,583 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:20:10,584 INFO  L435           NwaCegarLoop]: 6108 mSDtfsCounter, 6081 mSDsluCounter, 6106 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6081 SdHoareTripleChecker+Valid, 12214 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-01-09 07:20:10,584 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6081 Valid, 12214 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-01-09 07:20:10,588 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4205 states.
[2025-01-09 07:20:10,622 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4205.
[2025-01-09 07:20:10,626 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.5049952426260704) internal successors, (6327), 4204 states have internal predecessors, (6327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:10,629 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6327 transitions.
[2025-01-09 07:20:10,630 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6327 transitions. Word has length 2083
[2025-01-09 07:20:10,630 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:20:10,630 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6327 transitions.
[2025-01-09 07:20:10,631 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 520.75) internal successors, (2083), 4 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:10,631 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6327 transitions.
[2025-01-09 07:20:10,652 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2085
[2025-01-09 07:20:10,652 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:20:10,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:20:10,654 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-01-09 07:20:10,654 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:20:10,655 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:20:10,655 INFO  L85        PathProgramCache]: Analyzing trace with hash 1910626326, now seen corresponding path program 1 times
[2025-01-09 07:20:10,655 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:20:10,655 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994459902]
[2025-01-09 07:20:10,656 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:20:10,656 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:20:11,044 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2084 statements into 1 equivalence classes.
[2025-01-09 07:20:12,938 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2084 of 2084 statements.
[2025-01-09 07:20:12,938 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:20:12,938 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:20:16,093 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:20:16,093 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:20:16,093 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994459902]
[2025-01-09 07:20:16,093 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994459902] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:20:16,093 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:20:16,093 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:20:16,093 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432659130]
[2025-01-09 07:20:16,093 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:20:16,095 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:20:16,095 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:20:16,096 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:20:16,096 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:20:16,096 INFO  L87              Difference]: Start difference. First operand 4205 states and 6327 transitions. Second operand  has 4 states, 4 states have (on average 521.0) internal successors, (2084), 4 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:16,401 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:20:16,401 INFO  L93              Difference]: Finished difference Result 8222 states and 12374 transitions.
[2025-01-09 07:20:16,401 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:20:16,402 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 521.0) internal successors, (2084), 4 states have internal predecessors, (2084), 0 states have call successors, (0), 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 2084
[2025-01-09 07:20:16,402 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:20:16,408 INFO  L225             Difference]: With dead ends: 8222
[2025-01-09 07:20:16,408 INFO  L226             Difference]: Without dead ends: 4205
[2025-01-09 07:20:16,411 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:20:16,411 INFO  L435           NwaCegarLoop]: 6107 mSDtfsCounter, 6029 mSDsluCounter, 6105 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6029 SdHoareTripleChecker+Valid, 12212 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-01-09 07:20:16,411 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6029 Valid, 12212 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-01-09 07:20:16,414 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4205 states.
[2025-01-09 07:20:16,439 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4205.
[2025-01-09 07:20:16,442 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.504757373929591) internal successors, (6326), 4204 states have internal predecessors, (6326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:16,445 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6326 transitions.
[2025-01-09 07:20:16,445 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6326 transitions. Word has length 2084
[2025-01-09 07:20:16,445 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:20:16,445 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6326 transitions.
[2025-01-09 07:20:16,446 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 521.0) internal successors, (2084), 4 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:16,446 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6326 transitions.
[2025-01-09 07:20:16,466 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2086
[2025-01-09 07:20:16,467 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:20:16,468 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:20:16,468 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-01-09 07:20:16,468 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:20:16,469 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:20:16,469 INFO  L85        PathProgramCache]: Analyzing trace with hash -1242452926, now seen corresponding path program 1 times
[2025-01-09 07:20:16,470 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:20:16,470 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728204498]
[2025-01-09 07:20:16,470 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:20:16,470 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:20:16,851 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2085 statements into 1 equivalence classes.
[2025-01-09 07:20:18,090 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2085 of 2085 statements.
[2025-01-09 07:20:18,091 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:20:18,091 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:20:21,837 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:20:21,837 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:20:21,837 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728204498]
[2025-01-09 07:20:21,837 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728204498] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:20:21,837 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:20:21,837 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:20:21,837 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997122245]
[2025-01-09 07:20:21,838 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:20:21,842 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:20:21,842 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:20:21,843 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:20:21,843 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:20:21,844 INFO  L87              Difference]: Start difference. First operand 4205 states and 6326 transitions. Second operand  has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:22,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:20:22,177 INFO  L93              Difference]: Finished difference Result 8222 states and 12372 transitions.
[2025-01-09 07:20:22,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:20:22,177 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 0 states have call successors, (0), 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 2085
[2025-01-09 07:20:22,178 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:20:22,188 INFO  L225             Difference]: With dead ends: 8222
[2025-01-09 07:20:22,191 INFO  L226             Difference]: Without dead ends: 4205
[2025-01-09 07:20:22,195 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:20:22,199 INFO  L435           NwaCegarLoop]: 6106 mSDtfsCounter, 6023 mSDsluCounter, 6104 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6023 SdHoareTripleChecker+Valid, 12210 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-01-09 07:20:22,200 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6023 Valid, 12210 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-01-09 07:20:22,203 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4205 states.
[2025-01-09 07:20:22,234 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4205.
[2025-01-09 07:20:22,238 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.5045195052331113) internal successors, (6325), 4204 states have internal predecessors, (6325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:22,242 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6325 transitions.
[2025-01-09 07:20:22,242 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6325 transitions. Word has length 2085
[2025-01-09 07:20:22,242 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:20:22,242 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6325 transitions.
[2025-01-09 07:20:22,243 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:22,243 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6325 transitions.
[2025-01-09 07:20:22,264 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2087
[2025-01-09 07:20:22,264 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:20:22,265 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:20:22,266 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-01-09 07:20:22,266 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:20:22,270 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:20:22,270 INFO  L85        PathProgramCache]: Analyzing trace with hash 267161961, now seen corresponding path program 1 times
[2025-01-09 07:20:22,272 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:20:22,272 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183293862]
[2025-01-09 07:20:22,273 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:20:22,273 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:20:22,737 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2086 statements into 1 equivalence classes.
[2025-01-09 07:20:24,099 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2086 of 2086 statements.
[2025-01-09 07:20:24,099 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:20:24,099 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:20:26,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:20:26,972 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:20:26,972 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183293862]
[2025-01-09 07:20:26,973 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183293862] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:20:26,973 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:20:26,973 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:20:26,973 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010563918]
[2025-01-09 07:20:26,973 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:20:26,974 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:20:26,974 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:20:26,975 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:20:26,975 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:20:26,976 INFO  L87              Difference]: Start difference. First operand 4205 states and 6325 transitions. Second operand  has 4 states, 4 states have (on average 521.5) internal successors, (2086), 4 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:27,279 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:20:27,279 INFO  L93              Difference]: Finished difference Result 8222 states and 12370 transitions.
[2025-01-09 07:20:27,279 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:20:27,280 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 521.5) internal successors, (2086), 4 states have internal predecessors, (2086), 0 states have call successors, (0), 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 2086
[2025-01-09 07:20:27,280 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:20:27,285 INFO  L225             Difference]: With dead ends: 8222
[2025-01-09 07:20:27,285 INFO  L226             Difference]: Without dead ends: 4205
[2025-01-09 07:20:27,288 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:20:27,289 INFO  L435           NwaCegarLoop]: 6105 mSDtfsCounter, 5971 mSDsluCounter, 6103 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5971 SdHoareTripleChecker+Valid, 12208 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-01-09 07:20:27,289 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5971 Valid, 12208 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-01-09 07:20:27,292 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4205 states.
[2025-01-09 07:20:27,310 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4205.
[2025-01-09 07:20:27,314 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.5042816365366318) internal successors, (6324), 4204 states have internal predecessors, (6324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:27,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6324 transitions.
[2025-01-09 07:20:27,317 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6324 transitions. Word has length 2086
[2025-01-09 07:20:27,317 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:20:27,317 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6324 transitions.
[2025-01-09 07:20:27,318 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 521.5) internal successors, (2086), 4 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:27,318 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6324 transitions.
[2025-01-09 07:20:27,336 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2088
[2025-01-09 07:20:27,337 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:20:27,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:20:27,338 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-01-09 07:20:27,338 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:20:27,339 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:20:27,339 INFO  L85        PathProgramCache]: Analyzing trace with hash -1968579274, now seen corresponding path program 1 times
[2025-01-09 07:20:27,340 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:20:27,340 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11514519]
[2025-01-09 07:20:27,340 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:20:27,340 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:20:27,735 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2087 statements into 1 equivalence classes.
[2025-01-09 07:20:29,123 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2087 of 2087 statements.
[2025-01-09 07:20:29,123 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:20:29,123 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:20:31,940 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:20:31,940 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:20:31,940 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11514519]
[2025-01-09 07:20:31,940 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11514519] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:20:31,940 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:20:31,940 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:20:31,941 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924010323]
[2025-01-09 07:20:31,941 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:20:31,942 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:20:31,942 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:20:31,943 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:20:31,943 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:20:31,943 INFO  L87              Difference]: Start difference. First operand 4205 states and 6324 transitions. Second operand  has 4 states, 4 states have (on average 521.75) internal successors, (2087), 4 states have internal predecessors, (2087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:32,216 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:20:32,216 INFO  L93              Difference]: Finished difference Result 8222 states and 12368 transitions.
[2025-01-09 07:20:32,216 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:20:32,217 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 521.75) internal successors, (2087), 4 states have internal predecessors, (2087), 0 states have call successors, (0), 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 2087
[2025-01-09 07:20:32,217 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:20:32,251 INFO  L225             Difference]: With dead ends: 8222
[2025-01-09 07:20:32,252 INFO  L226             Difference]: Without dead ends: 4205
[2025-01-09 07:20:32,254 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:20:32,254 INFO  L435           NwaCegarLoop]: 6104 mSDtfsCounter, 5965 mSDsluCounter, 6102 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5965 SdHoareTripleChecker+Valid, 12206 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-01-09 07:20:32,254 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5965 Valid, 12206 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-01-09 07:20:32,258 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4205 states.
[2025-01-09 07:20:32,280 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4205.
[2025-01-09 07:20:32,283 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.5040437678401521) internal successors, (6323), 4204 states have internal predecessors, (6323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:32,286 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6323 transitions.
[2025-01-09 07:20:32,286 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6323 transitions. Word has length 2087
[2025-01-09 07:20:32,286 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:20:32,286 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6323 transitions.
[2025-01-09 07:20:32,287 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 521.75) internal successors, (2087), 4 states have internal predecessors, (2087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:32,287 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6323 transitions.
[2025-01-09 07:20:32,305 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2089
[2025-01-09 07:20:32,305 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:20:32,306 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:20:32,306 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-01-09 07:20:32,306 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:20:32,307 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:20:32,308 INFO  L85        PathProgramCache]: Analyzing trace with hash -779359460, now seen corresponding path program 1 times
[2025-01-09 07:20:32,308 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:20:32,308 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004607389]
[2025-01-09 07:20:32,308 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:20:32,308 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:20:32,698 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2088 statements into 1 equivalence classes.
[2025-01-09 07:20:33,653 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2088 of 2088 statements.
[2025-01-09 07:20:33,654 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:20:33,654 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:20:36,624 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:20:36,624 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:20:36,624 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004607389]
[2025-01-09 07:20:36,624 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004607389] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:20:36,624 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:20:36,624 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:20:36,624 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925596145]
[2025-01-09 07:20:36,624 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:20:36,625 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:20:36,625 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:20:36,626 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:20:36,626 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:20:36,627 INFO  L87              Difference]: Start difference. First operand 4205 states and 6323 transitions. Second operand  has 4 states, 4 states have (on average 522.0) internal successors, (2088), 4 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:36,922 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:20:36,922 INFO  L93              Difference]: Finished difference Result 8222 states and 12366 transitions.
[2025-01-09 07:20:36,922 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:20:36,923 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 522.0) internal successors, (2088), 4 states have internal predecessors, (2088), 0 states have call successors, (0), 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 2088
[2025-01-09 07:20:36,923 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:20:36,928 INFO  L225             Difference]: With dead ends: 8222
[2025-01-09 07:20:36,928 INFO  L226             Difference]: Without dead ends: 4205
[2025-01-09 07:20:36,931 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:20:36,931 INFO  L435           NwaCegarLoop]: 6103 mSDtfsCounter, 5913 mSDsluCounter, 6101 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5913 SdHoareTripleChecker+Valid, 12204 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-01-09 07:20:36,931 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5913 Valid, 12204 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-01-09 07:20:36,934 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4205 states.
[2025-01-09 07:20:36,952 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4205.
[2025-01-09 07:20:36,954 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.5038058991436727) internal successors, (6322), 4204 states have internal predecessors, (6322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:36,957 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6322 transitions.
[2025-01-09 07:20:36,957 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6322 transitions. Word has length 2088
[2025-01-09 07:20:36,957 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:20:36,957 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6322 transitions.
[2025-01-09 07:20:36,958 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 522.0) internal successors, (2088), 4 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:36,958 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6322 transitions.
[2025-01-09 07:20:36,975 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2090
[2025-01-09 07:20:36,976 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:20:36,976 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:20:36,977 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-01-09 07:20:36,977 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:20:36,977 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:20:36,978 INFO  L85        PathProgramCache]: Analyzing trace with hash 566803722, now seen corresponding path program 1 times
[2025-01-09 07:20:36,978 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:20:36,978 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677229239]
[2025-01-09 07:20:36,979 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:20:36,979 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:20:37,411 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2089 statements into 1 equivalence classes.
[2025-01-09 07:20:38,424 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2089 of 2089 statements.
[2025-01-09 07:20:38,425 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:20:38,425 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:20:41,379 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:20:41,380 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:20:41,380 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677229239]
[2025-01-09 07:20:41,380 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677229239] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:20:41,380 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:20:41,380 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:20:41,380 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105283472]
[2025-01-09 07:20:41,380 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:20:41,382 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:20:41,382 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:20:41,383 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:20:41,383 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:20:41,383 INFO  L87              Difference]: Start difference. First operand 4205 states and 6322 transitions. Second operand  has 4 states, 4 states have (on average 522.25) internal successors, (2089), 4 states have internal predecessors, (2089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:41,639 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:20:41,640 INFO  L93              Difference]: Finished difference Result 8222 states and 12364 transitions.
[2025-01-09 07:20:41,640 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:20:41,640 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 522.25) internal successors, (2089), 4 states have internal predecessors, (2089), 0 states have call successors, (0), 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 2089
[2025-01-09 07:20:41,641 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:20:41,646 INFO  L225             Difference]: With dead ends: 8222
[2025-01-09 07:20:41,646 INFO  L226             Difference]: Without dead ends: 4205
[2025-01-09 07:20:41,649 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:20:41,650 INFO  L435           NwaCegarLoop]: 6102 mSDtfsCounter, 5907 mSDsluCounter, 6100 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5907 SdHoareTripleChecker+Valid, 12202 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-01-09 07:20:41,650 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5907 Valid, 12202 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-01-09 07:20:41,653 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4205 states.
[2025-01-09 07:20:41,675 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4205.
[2025-01-09 07:20:41,678 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4205 states, 4204 states have (on average 1.5035680304471932) internal successors, (6321), 4204 states have internal predecessors, (6321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:41,680 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 6321 transitions.
[2025-01-09 07:20:41,680 INFO  L78                 Accepts]: Start accepts. Automaton has 4205 states and 6321 transitions. Word has length 2089
[2025-01-09 07:20:41,681 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:20:41,681 INFO  L471      AbstractCegarLoop]: Abstraction has 4205 states and 6321 transitions.
[2025-01-09 07:20:41,681 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 522.25) internal successors, (2089), 4 states have internal predecessors, (2089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-01-09 07:20:41,681 INFO  L276                IsEmpty]: Start isEmpty. Operand 4205 states and 6321 transitions.
[2025-01-09 07:20:41,699 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2091
[2025-01-09 07:20:41,700 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:20:41,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2025-01-09 07:20:41,701 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2025-01-09 07:20:41,701 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:20:41,702 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:20:41,703 INFO  L85        PathProgramCache]: Analyzing trace with hash -1056348881, now seen corresponding path program 1 times
[2025-01-09 07:20:41,703 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:20:41,703 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941972799]
[2025-01-09 07:20:41,703 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:20:41,703 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:20:42,089 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2090 statements into 1 equivalence classes.
[2025-01-09 07:20:43,530 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2090 of 2090 statements.
[2025-01-09 07:20:43,531 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:20:43,531 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat