./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 31f75e3a6c15bdab3d9f6821e95816cb19b70e3f3431428fbee7732730ce7148
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:57:23,077 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:57:23,133 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 12:57:23,138 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:57:23,138 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:57:23,159 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:57:23,160 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:57:23,160 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:57:23,160 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:57:23,160 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 12:57:23,160 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:57:23,161 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:57:23,161 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:57:23,161 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 12:57:23,161 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 12:57:23,161 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 12:57:23,162 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 12:57:23,162 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:57:23,163 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 12:57:23,163 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:57:23,163 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:57:23,163 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 12:57:23,163 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:57:23,163 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 12:57:23,163 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:57:23,163 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:57:23,163 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:57:23,163 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 12:57:23,164 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:57:23,164 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 12:57:23,164 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 12:57:23,164 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:57:23,164 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:57:23,164 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:57:23,164 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:57:23,164 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f75e3a6c15bdab3d9f6821e95816cb19b70e3f3431428fbee7732730ce7148
[2024-12-02 12:57:23,393 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:57:23,400 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:57:23,402 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:57:23,403 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 12:57:23,403 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 12:57:23,405 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c
[2024-12-02 12:57:25,994 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/data/6b4bf4d03/e1be72d533f748eb966e93c2aa7ca4bb/FLAG66a3d496e
[2024-12-02 12:57:26,395 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 12:57:26,396 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c
[2024-12-02 12:57:26,428 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/data/6b4bf4d03/e1be72d533f748eb966e93c2aa7ca4bb/FLAG66a3d496e
[2024-12-02 12:57:26,563 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/data/6b4bf4d03/e1be72d533f748eb966e93c2aa7ca4bb
[2024-12-02 12:57:26,565 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:57:26,567 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:57:26,568 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:57:26,568 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:57:26,572 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:57:26,573 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:57:26" (1/1) ...
[2024-12-02 12:57:26,574 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1caff0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:26, skipping insertion in model container
[2024-12-02 12:57:26,574 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:57:26" (1/1) ...
[2024-12-02 12:57:26,675 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:57:26,882 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c[1176,1189]
[2024-12-02 12:57:27,565 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:57:27,575 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 12:57:27,584 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c[1176,1189]
[2024-12-02 12:57:28,036 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:57:28,049 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 12:57:28,050 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28 WrapperNode
[2024-12-02 12:57:28,050 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:57:28,051 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:57:28,051 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:57:28,051 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:57:28,057 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:28,169 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:29,415 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20137
[2024-12-02 12:57:29,415 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:57:29,416 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:57:29,416 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:57:29,416 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:57:29,423 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:29,424 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:29,888 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:30,169 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 12:57:30,170 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:30,170 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:30,532 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:30,562 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:30,616 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:30,719 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:30,780 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:31,020 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:57:31,021 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:57:31,021 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:57:31,021 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:57:31,022 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (1/1) ...
[2024-12-02 12:57:31,026 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:57:31,037 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:57:31,047 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:57:31,049 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa19dce-248a-4b60-942c-1000dca700dc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:57:31,068 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:57:31,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 12:57:31,068 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:57:31,068 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:57:32,102 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 12:57:32,104 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:58:06,044 INFO  L?                        ?]: Removed 11885 outVars from TransFormulas that were not future-live.
[2024-12-02 12:58:06,045 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 12:58:06,102 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:58:06,102 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 12:58:06,102 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:58:06 BoogieIcfgContainer
[2024-12-02 12:58:06,102 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:58:06,104 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:58:06,104 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:58:06,108 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:58:06,108 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:57:26" (1/3) ...
[2024-12-02 12:58:06,109 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57042fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:58:06, skipping insertion in model container
[2024-12-02 12:58:06,109 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:28" (2/3) ...
[2024-12-02 12:58:06,109 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57042fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:58:06, skipping insertion in model container
[2024-12-02 12:58:06,109 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:58:06" (3/3) ...
[2024-12-02 12:58:06,110 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cambridge.6.prop2-func-interl.c
[2024-12-02 12:58:06,121 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:58:06,122 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cambridge.6.prop2-func-interl.c that has 1 procedures, 6486 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 12:58:06,230 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:58:06,240 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;@58506c6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:58:06,240 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 12:58:06,254 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 6486 states, 6484 states have (on average 1.5013880320789637) internal successors, (9735), 6485 states have internal predecessors, (9735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:06,267 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 232
[2024-12-02 12:58:06,268 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:58:06,268 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:58:06,269 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:06,272 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:06,273 INFO  L85        PathProgramCache]: Analyzing trace with hash 1359355439, now seen corresponding path program 1 times
[2024-12-02 12:58:06,278 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:06,278 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564499988]
[2024-12-02 12:58:06,278 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:06,279 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:06,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:07,294 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:58:07,295 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:07,295 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564499988]
[2024-12-02 12:58:07,296 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564499988] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:07,296 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:07,296 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:58:07,297 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16159302]
[2024-12-02 12:58:07,298 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:07,301 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:58:07,301 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:07,315 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:58:07,315 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:58:07,326 INFO  L87              Difference]: Start difference. First operand  has 6486 states, 6484 states have (on average 1.5013880320789637) internal successors, (9735), 6485 states have internal predecessors, (9735), 0 states have call successors, (0), 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 57.75) internal successors, (231), 4 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:07,589 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:07,589 INFO  L93              Difference]: Finished difference Result 12713 states and 19085 transitions.
[2024-12-02 12:58:07,590 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 12:58:07,591 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 0 states have call successors, (0), 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 231
[2024-12-02 12:58:07,592 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:07,619 INFO  L225             Difference]: With dead ends: 12713
[2024-12-02 12:58:07,619 INFO  L226             Difference]: Without dead ends: 6485
[2024-12-02 12:58:07,628 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:58:07,631 INFO  L435           NwaCegarLoop]: 9729 mSDtfsCounter, 0 mSDsluCounter, 19452 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29181 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:07,632 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29181 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:58:07,649 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6485 states.
[2024-12-02 12:58:07,754 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6485 to 6485.
[2024-12-02 12:58:07,763 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6485 states, 6484 states have (on average 1.5010795805058605) internal successors, (9733), 6484 states have internal predecessors, (9733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:07,781 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6485 states to 6485 states and 9733 transitions.
[2024-12-02 12:58:07,782 INFO  L78                 Accepts]: Start accepts. Automaton has 6485 states and 9733 transitions. Word has length 231
[2024-12-02 12:58:07,783 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:07,783 INFO  L471      AbstractCegarLoop]: Abstraction has 6485 states and 9733 transitions.
[2024-12-02 12:58:07,783 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:07,783 INFO  L276                IsEmpty]: Start isEmpty. Operand 6485 states and 9733 transitions.
[2024-12-02 12:58:07,787 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 233
[2024-12-02 12:58:07,787 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:58:07,788 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:58:07,788 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 12:58:07,788 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:07,789 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:07,789 INFO  L85        PathProgramCache]: Analyzing trace with hash -807957729, now seen corresponding path program 1 times
[2024-12-02 12:58:07,789 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:07,789 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897334821]
[2024-12-02 12:58:07,789 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:07,790 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:07,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:08,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:58:08,200 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:08,201 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897334821]
[2024-12-02 12:58:08,201 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897334821] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:08,201 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:08,201 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:58:08,201 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880546437]
[2024-12-02 12:58:08,201 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:08,202 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:58:08,202 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:08,203 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:58:08,203 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:58:08,203 INFO  L87              Difference]: Start difference. First operand 6485 states and 9733 transitions. Second operand  has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:08,365 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:08,365 INFO  L93              Difference]: Finished difference Result 12714 states and 19083 transitions.
[2024-12-02 12:58:08,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 12:58:08,365 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 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 232
[2024-12-02 12:58:08,366 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:08,379 INFO  L225             Difference]: With dead ends: 12714
[2024-12-02 12:58:08,379 INFO  L226             Difference]: Without dead ends: 6487
[2024-12-02 12:58:08,383 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:58:08,384 INFO  L435           NwaCegarLoop]: 9729 mSDtfsCounter, 0 mSDsluCounter, 19448 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29177 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:08,384 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29177 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:58:08,391 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6487 states.
[2024-12-02 12:58:08,453 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6487 to 6487.
[2024-12-02 12:58:08,461 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6487 states, 6486 states have (on average 1.5009250693802034) internal successors, (9735), 6486 states have internal predecessors, (9735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:08,477 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6487 states to 6487 states and 9735 transitions.
[2024-12-02 12:58:08,477 INFO  L78                 Accepts]: Start accepts. Automaton has 6487 states and 9735 transitions. Word has length 232
[2024-12-02 12:58:08,478 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:08,478 INFO  L471      AbstractCegarLoop]: Abstraction has 6487 states and 9735 transitions.
[2024-12-02 12:58:08,478 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:08,478 INFO  L276                IsEmpty]: Start isEmpty. Operand 6487 states and 9735 transitions.
[2024-12-02 12:58:08,481 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 234
[2024-12-02 12:58:08,481 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:58:08,481 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:58:08,481 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 12:58:08,481 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:08,482 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:08,482 INFO  L85        PathProgramCache]: Analyzing trace with hash -374850296, now seen corresponding path program 1 times
[2024-12-02 12:58:08,482 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:08,482 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165886596]
[2024-12-02 12:58:08,482 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:08,483 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:08,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:08,953 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:58:08,953 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:08,953 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165886596]
[2024-12-02 12:58:08,953 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165886596] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:08,953 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:08,953 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:58:08,953 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426408968]
[2024-12-02 12:58:08,953 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:08,954 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:58:08,954 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:08,955 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:58:08,955 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:58:08,956 INFO  L87              Difference]: Start difference. First operand 6487 states and 9735 transitions. Second operand  has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:09,204 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:09,205 INFO  L93              Difference]: Finished difference Result 12718 states and 19087 transitions.
[2024-12-02 12:58:09,205 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 12:58:09,205 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 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 233
[2024-12-02 12:58:09,206 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:09,228 INFO  L225             Difference]: With dead ends: 12718
[2024-12-02 12:58:09,229 INFO  L226             Difference]: Without dead ends: 6489
[2024-12-02 12:58:09,236 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:58:09,239 INFO  L435           NwaCegarLoop]: 9729 mSDtfsCounter, 0 mSDsluCounter, 19442 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29171 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:09,240 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29171 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:58:09,251 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6489 states.
[2024-12-02 12:58:09,352 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6489 to 6489.
[2024-12-02 12:58:09,371 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6489 states, 6488 states have (on average 1.50077065351418) internal successors, (9737), 6488 states have internal predecessors, (9737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:09,397 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6489 states to 6489 states and 9737 transitions.
[2024-12-02 12:58:09,400 INFO  L78                 Accepts]: Start accepts. Automaton has 6489 states and 9737 transitions. Word has length 233
[2024-12-02 12:58:09,401 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:09,401 INFO  L471      AbstractCegarLoop]: Abstraction has 6489 states and 9737 transitions.
[2024-12-02 12:58:09,402 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:09,402 INFO  L276                IsEmpty]: Start isEmpty. Operand 6489 states and 9737 transitions.
[2024-12-02 12:58:09,405 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2024-12-02 12:58:09,405 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:58:09,405 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:58:09,405 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 12:58:09,406 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:09,407 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:09,407 INFO  L85        PathProgramCache]: Analyzing trace with hash -2121536314, now seen corresponding path program 1 times
[2024-12-02 12:58:09,407 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:09,408 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153758255]
[2024-12-02 12:58:09,408 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:09,408 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:09,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:10,133 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:58:10,133 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:10,133 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153758255]
[2024-12-02 12:58:10,134 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153758255] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:10,134 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:10,134 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 12:58:10,134 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740593292]
[2024-12-02 12:58:10,134 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:10,135 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:58:10,135 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:10,136 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:58:10,136 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:58:10,139 INFO  L87              Difference]: Start difference. First operand 6489 states and 9737 transitions. Second operand  has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:10,512 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:10,512 INFO  L93              Difference]: Finished difference Result 18613 states and 27934 transitions.
[2024-12-02 12:58:10,513 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 12:58:10,513 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 0 states have call successors, (0), 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 234
[2024-12-02 12:58:10,514 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:10,548 INFO  L225             Difference]: With dead ends: 18613
[2024-12-02 12:58:10,548 INFO  L226             Difference]: Without dead ends: 12382
[2024-12-02 12:58:10,557 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:58:10,558 INFO  L435           NwaCegarLoop]: 9725 mSDtfsCounter, 9009 mSDsluCounter, 28784 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9009 SdHoareTripleChecker+Valid, 38509 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:10,558 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9009 Valid, 38509 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:58:10,573 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12382 states.
[2024-12-02 12:58:10,707 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12382 to 6677.
[2024-12-02 12:58:10,718 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6677 states, 6676 states have (on average 1.5007489514679448) internal successors, (10019), 6676 states have internal predecessors, (10019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:10,736 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 10019 transitions.
[2024-12-02 12:58:10,736 INFO  L78                 Accepts]: Start accepts. Automaton has 6677 states and 10019 transitions. Word has length 234
[2024-12-02 12:58:10,737 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:10,737 INFO  L471      AbstractCegarLoop]: Abstraction has 6677 states and 10019 transitions.
[2024-12-02 12:58:10,737 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:10,737 INFO  L276                IsEmpty]: Start isEmpty. Operand 6677 states and 10019 transitions.
[2024-12-02 12:58:10,873 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3312
[2024-12-02 12:58:10,873 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:58:10,874 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 12:58:10,875 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 12:58:10,875 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:10,876 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:10,877 INFO  L85        PathProgramCache]: Analyzing trace with hash -1190673787, now seen corresponding path program 1 times
[2024-12-02 12:58:10,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:10,878 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654863227]
[2024-12-02 12:58:10,878 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:10,878 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:16,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:23,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:58:23,359 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:23,359 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654863227]
[2024-12-02 12:58:23,359 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654863227] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:23,359 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:23,360 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:58:23,360 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582005909]
[2024-12-02 12:58:23,360 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:23,368 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:58:23,368 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:23,373 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:58:23,374 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:58:23,376 INFO  L87              Difference]: Start difference. First operand 6677 states and 10019 transitions. Second operand  has 4 states, 4 states have (on average 827.75) internal successors, (3311), 4 states have internal predecessors, (3311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:23,663 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:23,663 INFO  L93              Difference]: Finished difference Result 12908 states and 19370 transitions.
[2024-12-02 12:58:23,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 12:58:23,665 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 827.75) internal successors, (3311), 4 states have internal predecessors, (3311), 0 states have call successors, (0), 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 3311
[2024-12-02 12:58:23,666 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:23,691 INFO  L225             Difference]: With dead ends: 12908
[2024-12-02 12:58:23,691 INFO  L226             Difference]: Without dead ends: 6677
[2024-12-02 12:58:23,701 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
[2024-12-02 12:58:23,703 INFO  L435           NwaCegarLoop]: 9723 mSDtfsCounter, 9503 mSDsluCounter, 9721 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9503 SdHoareTripleChecker+Valid, 19444 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:23,704 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9503 Valid, 19444 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:58:23,724 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6677 states.
[2024-12-02 12:58:23,885 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 6677.
[2024-12-02 12:58:23,899 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6677 states, 6676 states have (on average 1.5005991611743559) internal successors, (10018), 6676 states have internal predecessors, (10018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:23,925 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 10018 transitions.
[2024-12-02 12:58:23,925 INFO  L78                 Accepts]: Start accepts. Automaton has 6677 states and 10018 transitions. Word has length 3311
[2024-12-02 12:58:23,930 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:23,930 INFO  L471      AbstractCegarLoop]: Abstraction has 6677 states and 10018 transitions.
[2024-12-02 12:58:23,932 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 827.75) internal successors, (3311), 4 states have internal predecessors, (3311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:23,932 INFO  L276                IsEmpty]: Start isEmpty. Operand 6677 states and 10018 transitions.
[2024-12-02 12:58:24,176 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3313
[2024-12-02 12:58:24,176 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:58:24,178 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 12:58:24,179 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 12:58:24,179 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:24,180 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:24,182 INFO  L85        PathProgramCache]: Analyzing trace with hash 229470452, now seen corresponding path program 1 times
[2024-12-02 12:58:24,182 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:24,183 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450019676]
[2024-12-02 12:58:24,184 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:24,184 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:29,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:34,548 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:58:34,548 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:34,548 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450019676]
[2024-12-02 12:58:34,549 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450019676] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:34,549 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:34,549 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:58:34,549 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478190795]
[2024-12-02 12:58:34,549 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:34,551 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:58:34,551 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:34,552 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:58:34,553 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:58:34,554 INFO  L87              Difference]: Start difference. First operand 6677 states and 10018 transitions. Second operand  has 4 states, 4 states have (on average 828.0) internal successors, (3312), 4 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:34,658 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:34,658 INFO  L93              Difference]: Finished difference Result 12908 states and 19368 transitions.
[2024-12-02 12:58:34,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 12:58:34,659 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 828.0) internal successors, (3312), 4 states have internal predecessors, (3312), 0 states have call successors, (0), 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 3312
[2024-12-02 12:58:34,659 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:34,672 INFO  L225             Difference]: With dead ends: 12908
[2024-12-02 12:58:34,672 INFO  L226             Difference]: Without dead ends: 6677
[2024-12-02 12:58:34,678 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
[2024-12-02 12:58:34,678 INFO  L435           NwaCegarLoop]: 9722 mSDtfsCounter, 9473 mSDsluCounter, 9720 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9473 SdHoareTripleChecker+Valid, 19442 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:34,679 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9473 Valid, 19442 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:58:34,687 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6677 states.
[2024-12-02 12:58:34,762 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 6677.
[2024-12-02 12:58:34,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6677 states, 6676 states have (on average 1.500449370880767) internal successors, (10017), 6676 states have internal predecessors, (10017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:34,782 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 10017 transitions.
[2024-12-02 12:58:34,782 INFO  L78                 Accepts]: Start accepts. Automaton has 6677 states and 10017 transitions. Word has length 3312
[2024-12-02 12:58:34,783 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:34,783 INFO  L471      AbstractCegarLoop]: Abstraction has 6677 states and 10017 transitions.
[2024-12-02 12:58:34,784 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 828.0) internal successors, (3312), 4 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:34,784 INFO  L276                IsEmpty]: Start isEmpty. Operand 6677 states and 10017 transitions.
[2024-12-02 12:58:34,958 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3314
[2024-12-02 12:58:34,958 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:58:34,959 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 12:58:34,960 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 12:58:34,960 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:34,961 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:34,962 INFO  L85        PathProgramCache]: Analyzing trace with hash -2085809754, now seen corresponding path program 1 times
[2024-12-02 12:58:34,963 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:34,963 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862306574]
[2024-12-02 12:58:34,964 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:34,964 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:39,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:49,067 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:58:49,067 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:49,067 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862306574]
[2024-12-02 12:58:49,068 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862306574] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:49,068 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:49,068 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 12:58:49,068 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533605172]
[2024-12-02 12:58:49,068 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:49,070 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:58:49,070 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:49,072 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:58:49,072 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:58:49,073 INFO  L87              Difference]: Start difference. First operand 6677 states and 10017 transitions. Second operand  has 5 states, 5 states have (on average 662.6) internal successors, (3313), 5 states have internal predecessors, (3313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:49,221 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:49,221 INFO  L93              Difference]: Finished difference Result 12912 states and 19372 transitions.
[2024-12-02 12:58:49,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 12:58:49,223 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 662.6) internal successors, (3313), 5 states have internal predecessors, (3313), 0 states have call successors, (0), 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 3313
[2024-12-02 12:58:49,223 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:49,236 INFO  L225             Difference]: With dead ends: 12912
[2024-12-02 12:58:49,236 INFO  L226             Difference]: Without dead ends: 6681
[2024-12-02 12:58:49,242 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:58:49,242 INFO  L435           NwaCegarLoop]: 9721 mSDtfsCounter, 4 mSDsluCounter, 29154 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 38875 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:49,243 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 38875 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:58:49,251 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6681 states.
[2024-12-02 12:58:49,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6681 to 6679.
[2024-12-02 12:58:49,327 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6679 states, 6678 states have (on average 1.5002994908655285) internal successors, (10019), 6678 states have internal predecessors, (10019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:49,335 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6679 states to 6679 states and 10019 transitions.
[2024-12-02 12:58:49,336 INFO  L78                 Accepts]: Start accepts. Automaton has 6679 states and 10019 transitions. Word has length 3313
[2024-12-02 12:58:49,336 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:49,336 INFO  L471      AbstractCegarLoop]: Abstraction has 6679 states and 10019 transitions.
[2024-12-02 12:58:49,338 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 662.6) internal successors, (3313), 5 states have internal predecessors, (3313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:58:49,338 INFO  L276                IsEmpty]: Start isEmpty. Operand 6679 states and 10019 transitions.
[2024-12-02 12:58:49,581 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3315
[2024-12-02 12:58:49,582 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:58:49,583 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 12:58:49,583 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 12:58:49,584 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:49,585 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:49,586 INFO  L85        PathProgramCache]: Analyzing trace with hash 987585729, now seen corresponding path program 1 times
[2024-12-02 12:58:49,586 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:49,586 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164213038]
[2024-12-02 12:58:49,587 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:49,587 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:55,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:07,846 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:59:07,846 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:59:07,846 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164213038]
[2024-12-02 12:59:07,846 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164213038] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:59:07,846 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:59:07,846 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 12:59:07,846 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611703884]
[2024-12-02 12:59:07,846 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:59:07,848 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 12:59:07,848 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:59:07,849 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 12:59:07,849 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:59:07,850 INFO  L87              Difference]: Start difference. First operand 6679 states and 10019 transitions. Second operand  has 6 states, 6 states have (on average 552.3333333333334) internal successors, (3314), 6 states have internal predecessors, (3314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:13,335 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 12:59:13,819 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:59:13,819 INFO  L93              Difference]: Finished difference Result 12976 states and 19477 transitions.
[2024-12-02 12:59:13,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 12:59:13,820 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 552.3333333333334) internal successors, (3314), 6 states have internal predecessors, (3314), 0 states have call successors, (0), 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 3314
[2024-12-02 12:59:13,822 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:59:13,828 INFO  L225             Difference]: With dead ends: 12976
[2024-12-02 12:59:13,828 INFO  L226             Difference]: Without dead ends: 6743
[2024-12-02 12:59:13,832 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 12:59:13,832 INFO  L435           NwaCegarLoop]: 9486 mSDtfsCounter, 7862 mSDsluCounter, 28445 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7862 SdHoareTripleChecker+Valid, 37931 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time
[2024-12-02 12:59:13,832 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7862 Valid, 37931 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 840 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time]
[2024-12-02 12:59:13,838 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6743 states.
[2024-12-02 12:59:13,881 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6743 to 6740.
[2024-12-02 12:59:13,886 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6740 states, 6739 states have (on average 1.4988870752337142) internal successors, (10101), 6739 states have internal predecessors, (10101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:13,891 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6740 states to 6740 states and 10101 transitions.
[2024-12-02 12:59:13,892 INFO  L78                 Accepts]: Start accepts. Automaton has 6740 states and 10101 transitions. Word has length 3314
[2024-12-02 12:59:13,894 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:59:13,894 INFO  L471      AbstractCegarLoop]: Abstraction has 6740 states and 10101 transitions.
[2024-12-02 12:59:13,894 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 552.3333333333334) internal successors, (3314), 6 states have internal predecessors, (3314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:13,894 INFO  L276                IsEmpty]: Start isEmpty. Operand 6740 states and 10101 transitions.
[2024-12-02 12:59:13,939 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3316
[2024-12-02 12:59:13,939 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:59:13,940 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 12:59:13,940 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 12:59:13,940 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:59:13,941 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:59:13,942 INFO  L85        PathProgramCache]: Analyzing trace with hash -1906680394, now seen corresponding path program 1 times
[2024-12-02 12:59:13,942 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:59:13,942 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637867407]
[2024-12-02 12:59:13,943 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:13,943 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:59:17,252 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:22,626 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:59:22,626 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:59:22,627 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637867407]
[2024-12-02 12:59:22,627 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637867407] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:59:22,627 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:59:22,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:59:22,627 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105279050]
[2024-12-02 12:59:22,627 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:59:22,629 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:59:22,630 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:59:22,632 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:59:22,632 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:59:22,633 INFO  L87              Difference]: Start difference. First operand 6740 states and 10101 transitions. Second operand  has 4 states, 4 states have (on average 828.75) internal successors, (3315), 4 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:22,856 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:59:22,856 INFO  L93              Difference]: Finished difference Result 13040 states and 19544 transitions.
[2024-12-02 12:59:22,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 12:59:22,857 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 828.75) internal successors, (3315), 4 states have internal predecessors, (3315), 0 states have call successors, (0), 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 3315
[2024-12-02 12:59:22,860 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:59:22,867 INFO  L225             Difference]: With dead ends: 13040
[2024-12-02 12:59:22,867 INFO  L226             Difference]: Without dead ends: 6743
[2024-12-02 12:59:22,872 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:59:22,872 INFO  L435           NwaCegarLoop]: 9581 mSDtfsCounter, 7736 mSDsluCounter, 9571 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7736 SdHoareTripleChecker+Valid, 19152 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 12:59:22,872 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7736 Valid, 19152 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 12:59:22,880 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6743 states.
[2024-12-02 12:59:22,938 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6743 to 6743.
[2024-12-02 12:59:22,944 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6743 states, 6742 states have (on average 1.4986650845446454) internal successors, (10104), 6742 states have internal predecessors, (10104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:22,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6743 states to 6743 states and 10104 transitions.
[2024-12-02 12:59:22,952 INFO  L78                 Accepts]: Start accepts. Automaton has 6743 states and 10104 transitions. Word has length 3315
[2024-12-02 12:59:22,954 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:59:22,954 INFO  L471      AbstractCegarLoop]: Abstraction has 6743 states and 10104 transitions.
[2024-12-02 12:59:22,955 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 828.75) internal successors, (3315), 4 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:22,955 INFO  L276                IsEmpty]: Start isEmpty. Operand 6743 states and 10104 transitions.
[2024-12-02 12:59:23,028 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3316
[2024-12-02 12:59:23,028 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:59:23,029 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 12:59:23,030 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 12:59:23,030 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:59:23,031 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:59:23,032 INFO  L85        PathProgramCache]: Analyzing trace with hash 1675052019, now seen corresponding path program 1 times
[2024-12-02 12:59:23,032 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:59:23,032 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238969614]
[2024-12-02 12:59:23,033 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:23,033 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:59:26,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:33,952 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:59:33,953 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:59:33,953 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238969614]
[2024-12-02 12:59:33,953 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238969614] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:59:33,953 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:59:33,953 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 12:59:33,953 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494940667]
[2024-12-02 12:59:33,953 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:59:33,954 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 12:59:33,954 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:59:33,956 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 12:59:33,956 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:59:33,957 INFO  L87              Difference]: Start difference. First operand 6743 states and 10104 transitions. Second operand  has 6 states, 6 states have (on average 552.5) internal successors, (3315), 6 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:34,519 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:59:34,519 INFO  L93              Difference]: Finished difference Result 16500 states and 24730 transitions.
[2024-12-02 12:59:34,519 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 12:59:34,520 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 552.5) internal successors, (3315), 6 states have internal predecessors, (3315), 0 states have call successors, (0), 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 3315
[2024-12-02 12:59:34,521 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:59:34,527 INFO  L225             Difference]: With dead ends: 16500
[2024-12-02 12:59:34,527 INFO  L226             Difference]: Without dead ends: 6753
[2024-12-02 12:59:34,534 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:59:34,535 INFO  L435           NwaCegarLoop]: 9632 mSDtfsCounter, 3466 mSDsluCounter, 38367 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3466 SdHoareTripleChecker+Valid, 47999 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:59:34,535 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3466 Valid, 47999 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 12:59:34,543 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6753 states.
[2024-12-02 12:59:34,604 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6753 to 6749.
[2024-12-02 12:59:34,610 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6749 states, 6748 states have (on average 1.4986662714878483) internal successors, (10113), 6748 states have internal predecessors, (10113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:34,619 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6749 states to 6749 states and 10113 transitions.
[2024-12-02 12:59:34,619 INFO  L78                 Accepts]: Start accepts. Automaton has 6749 states and 10113 transitions. Word has length 3315
[2024-12-02 12:59:34,619 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:59:34,619 INFO  L471      AbstractCegarLoop]: Abstraction has 6749 states and 10113 transitions.
[2024-12-02 12:59:34,620 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 552.5) internal successors, (3315), 6 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:34,620 INFO  L276                IsEmpty]: Start isEmpty. Operand 6749 states and 10113 transitions.
[2024-12-02 12:59:34,725 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3316
[2024-12-02 12:59:34,725 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:59:34,727 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 12:59:34,727 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 12:59:34,727 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:59:34,728 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:59:34,729 INFO  L85        PathProgramCache]: Analyzing trace with hash -888448636, now seen corresponding path program 1 times
[2024-12-02 12:59:34,729 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:59:34,729 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899771968]
[2024-12-02 12:59:34,730 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:34,730 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:59:38,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:43,426 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:59:43,426 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:59:43,426 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899771968]
[2024-12-02 12:59:43,426 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899771968] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:59:43,426 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:59:43,426 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:59:43,426 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48021433]
[2024-12-02 12:59:43,426 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:59:43,428 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:59:43,428 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:59:43,429 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:59:43,429 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:59:43,429 INFO  L87              Difference]: Start difference. First operand 6749 states and 10113 transitions. Second operand  has 3 states, 3 states have (on average 1105.0) internal successors, (3315), 3 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:43,488 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:59:43,488 INFO  L93              Difference]: Finished difference Result 13054 states and 19562 transitions.
[2024-12-02 12:59:43,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 12:59:43,489 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1105.0) internal successors, (3315), 3 states have internal predecessors, (3315), 0 states have call successors, (0), 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 3315
[2024-12-02 12:59:43,489 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:59:43,493 INFO  L225             Difference]: With dead ends: 13054
[2024-12-02 12:59:43,493 INFO  L226             Difference]: Without dead ends: 6751
[2024-12-02 12:59:43,497 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:59:43,497 INFO  L435           NwaCegarLoop]: 9692 mSDtfsCounter, 0 mSDsluCounter, 9686 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19378 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:59:43,497 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19378 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:59:43,502 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6751 states.
[2024-12-02 12:59:43,541 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6751 to 6751.
[2024-12-02 12:59:43,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6751 states, 6750 states have (on average 1.4985185185185186) internal successors, (10115), 6750 states have internal predecessors, (10115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:43,552 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6751 states to 6751 states and 10115 transitions.
[2024-12-02 12:59:43,553 INFO  L78                 Accepts]: Start accepts. Automaton has 6751 states and 10115 transitions. Word has length 3315
[2024-12-02 12:59:43,553 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:59:43,553 INFO  L471      AbstractCegarLoop]: Abstraction has 6751 states and 10115 transitions.
[2024-12-02 12:59:43,554 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1105.0) internal successors, (3315), 3 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:43,554 INFO  L276                IsEmpty]: Start isEmpty. Operand 6751 states and 10115 transitions.
[2024-12-02 12:59:43,598 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3316
[2024-12-02 12:59:43,598 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:59:43,599 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 12:59:43,599 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 12:59:43,599 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:59:43,600 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:59:43,601 INFO  L85        PathProgramCache]: Analyzing trace with hash -1174214534, now seen corresponding path program 1 times
[2024-12-02 12:59:43,601 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:59:43,601 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511639628]
[2024-12-02 12:59:43,601 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:43,601 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:59:47,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:54,464 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:59:54,464 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:59:54,465 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511639628]
[2024-12-02 12:59:54,465 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511639628] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:59:54,465 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:59:54,465 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 12:59:54,465 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456726173]
[2024-12-02 12:59:54,465 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:59:54,466 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:59:54,466 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:59:54,467 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:59:54,468 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:59:54,468 INFO  L87              Difference]: Start difference. First operand 6751 states and 10115 transitions. Second operand  has 5 states, 5 states have (on average 663.0) internal successors, (3315), 5 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:54,577 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:59:54,577 INFO  L93              Difference]: Finished difference Result 13065 states and 19572 transitions.
[2024-12-02 12:59:54,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 12:59:54,578 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 663.0) internal successors, (3315), 5 states have internal predecessors, (3315), 0 states have call successors, (0), 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 3315
[2024-12-02 12:59:54,578 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:59:54,583 INFO  L225             Difference]: With dead ends: 13065
[2024-12-02 12:59:54,583 INFO  L226             Difference]: Without dead ends: 6760
[2024-12-02 12:59:54,587 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:59:54,587 INFO  L435           NwaCegarLoop]: 9690 mSDtfsCounter, 444 mSDsluCounter, 28678 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 38368 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:59:54,587 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 38368 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:59:54,593 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6760 states.
[2024-12-02 12:59:54,630 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6760 to 6760.
[2024-12-02 12:59:54,635 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6760 states, 6759 states have (on average 1.497854712235538) internal successors, (10124), 6759 states have internal predecessors, (10124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:54,641 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6760 states to 6760 states and 10124 transitions.
[2024-12-02 12:59:54,641 INFO  L78                 Accepts]: Start accepts. Automaton has 6760 states and 10124 transitions. Word has length 3315
[2024-12-02 12:59:54,641 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:59:54,641 INFO  L471      AbstractCegarLoop]: Abstraction has 6760 states and 10124 transitions.
[2024-12-02 12:59:54,642 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 663.0) internal successors, (3315), 5 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:59:54,642 INFO  L276                IsEmpty]: Start isEmpty. Operand 6760 states and 10124 transitions.
[2024-12-02 12:59:54,686 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3317
[2024-12-02 12:59:54,686 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:59:54,687 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 12:59:54,687 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 12:59:54,687 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:59:54,688 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:59:54,688 INFO  L85        PathProgramCache]: Analyzing trace with hash 1129066392, now seen corresponding path program 1 times
[2024-12-02 12:59:54,688 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:59:54,689 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573445292]
[2024-12-02 12:59:54,689 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:54,689 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:59:58,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:00:05,189 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:00:05,189 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:00:05,189 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573445292]
[2024-12-02 13:00:05,189 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573445292] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:00:05,189 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:00:05,190 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:00:05,190 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817526985]
[2024-12-02 13:00:05,190 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:00:05,192 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:00:05,192 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:00:05,194 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:00:05,194 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:00:05,195 INFO  L87              Difference]: Start difference. First operand 6760 states and 10124 transitions. Second operand  has 5 states, 5 states have (on average 663.2) internal successors, (3316), 5 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:05,837 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:00:05,837 INFO  L93              Difference]: Finished difference Result 13069 states and 19577 transitions.
[2024-12-02 13:00:05,837 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:00:05,838 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 663.2) internal successors, (3316), 5 states have internal predecessors, (3316), 0 states have call successors, (0), 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 3316
[2024-12-02 13:00:05,838 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:00:05,842 INFO  L225             Difference]: With dead ends: 13069
[2024-12-02 13:00:05,842 INFO  L226             Difference]: Without dead ends: 6764
[2024-12-02 13:00:05,845 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:00:05,845 INFO  L435           NwaCegarLoop]: 9494 mSDtfsCounter, 9461 mSDsluCounter, 9482 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9461 SdHoareTripleChecker+Valid, 18976 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:00:05,845 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9461 Valid, 18976 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:00:05,851 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6764 states.
[2024-12-02 13:00:05,889 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6764 to 6757.
[2024-12-02 13:00:05,894 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6757 states, 6756 states have (on average 1.4976317347542925) internal successors, (10118), 6756 states have internal predecessors, (10118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:05,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6757 states to 6757 states and 10118 transitions.
[2024-12-02 13:00:05,900 INFO  L78                 Accepts]: Start accepts. Automaton has 6757 states and 10118 transitions. Word has length 3316
[2024-12-02 13:00:05,900 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:00:05,901 INFO  L471      AbstractCegarLoop]: Abstraction has 6757 states and 10118 transitions.
[2024-12-02 13:00:05,901 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 663.2) internal successors, (3316), 5 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:05,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 6757 states and 10118 transitions.
[2024-12-02 13:00:05,945 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3317
[2024-12-02 13:00:05,945 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:00:05,946 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 13:00:05,946 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 13:00:05,947 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:00:05,948 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:00:05,949 INFO  L85        PathProgramCache]: Analyzing trace with hash 2006121615, now seen corresponding path program 1 times
[2024-12-02 13:00:05,949 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:00:05,949 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097256586]
[2024-12-02 13:00:05,949 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:00:05,949 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:00:09,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:00:14,923 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:00:14,924 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:00:14,924 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097256586]
[2024-12-02 13:00:14,924 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097256586] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:00:14,924 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:00:14,924 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:00:14,924 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354128439]
[2024-12-02 13:00:14,924 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:00:14,926 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:00:14,926 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:00:14,928 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:00:14,928 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:00:14,928 INFO  L87              Difference]: Start difference. First operand 6757 states and 10118 transitions. Second operand  has 4 states, 4 states have (on average 829.0) internal successors, (3316), 4 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:15,168 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:00:15,168 INFO  L93              Difference]: Finished difference Result 13060 states and 19560 transitions.
[2024-12-02 13:00:15,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:00:15,169 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 829.0) internal successors, (3316), 4 states have internal predecessors, (3316), 0 states have call successors, (0), 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 3316
[2024-12-02 13:00:15,169 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:00:15,173 INFO  L225             Difference]: With dead ends: 13060
[2024-12-02 13:00:15,173 INFO  L226             Difference]: Without dead ends: 6756
[2024-12-02 13:00:15,176 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:00:15,176 INFO  L435           NwaCegarLoop]: 9581 mSDtfsCounter, 9456 mSDsluCounter, 9569 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9456 SdHoareTripleChecker+Valid, 19150 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:00:15,176 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9456 Valid, 19150 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:00:15,182 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6756 states.
[2024-12-02 13:00:15,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6756.
[2024-12-02 13:00:15,222 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6756 states, 6755 states have (on average 1.4974093264248705) internal successors, (10115), 6755 states have internal predecessors, (10115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:15,228 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6756 states to 6756 states and 10115 transitions.
[2024-12-02 13:00:15,228 INFO  L78                 Accepts]: Start accepts. Automaton has 6756 states and 10115 transitions. Word has length 3316
[2024-12-02 13:00:15,228 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:00:15,228 INFO  L471      AbstractCegarLoop]: Abstraction has 6756 states and 10115 transitions.
[2024-12-02 13:00:15,229 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 829.0) internal successors, (3316), 4 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:15,229 INFO  L276                IsEmpty]: Start isEmpty. Operand 6756 states and 10115 transitions.
[2024-12-02 13:00:15,287 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3317
[2024-12-02 13:00:15,287 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:00:15,289 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:00:15,289 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 13:00:15,289 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:00:15,290 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:00:15,290 INFO  L85        PathProgramCache]: Analyzing trace with hash 1428241131, now seen corresponding path program 1 times
[2024-12-02 13:00:15,290 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:00:15,290 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323837323]
[2024-12-02 13:00:15,291 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:00:15,291 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:00:18,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:00:24,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:00:24,260 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:00:24,260 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323837323]
[2024-12-02 13:00:24,260 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323837323] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:00:24,260 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:00:24,261 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:00:24,261 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145759650]
[2024-12-02 13:00:24,261 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:00:24,263 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:00:24,263 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:00:24,265 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:00:24,265 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:00:24,266 INFO  L87              Difference]: Start difference. First operand 6756 states and 10115 transitions. Second operand  has 4 states, 4 states have (on average 829.0) internal successors, (3316), 4 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:24,356 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:00:24,356 INFO  L93              Difference]: Finished difference Result 13056 states and 19552 transitions.
[2024-12-02 13:00:24,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:00:24,357 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 829.0) internal successors, (3316), 4 states have internal predecessors, (3316), 0 states have call successors, (0), 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 3316
[2024-12-02 13:00:24,357 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:00:24,361 INFO  L225             Difference]: With dead ends: 13056
[2024-12-02 13:00:24,361 INFO  L226             Difference]: Without dead ends: 6755
[2024-12-02 13:00:24,364 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:00:24,365 INFO  L435           NwaCegarLoop]: 9683 mSDtfsCounter, 9457 mSDsluCounter, 9682 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9457 SdHoareTripleChecker+Valid, 19365 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:00:24,365 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9457 Valid, 19365 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:00:24,371 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6755 states.
[2024-12-02 13:00:24,407 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6755 to 6755.
[2024-12-02 13:00:24,412 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6755 states, 6754 states have (on average 1.497334912644359) internal successors, (10113), 6754 states have internal predecessors, (10113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:24,417 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6755 states to 6755 states and 10113 transitions.
[2024-12-02 13:00:24,417 INFO  L78                 Accepts]: Start accepts. Automaton has 6755 states and 10113 transitions. Word has length 3316
[2024-12-02 13:00:24,418 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:00:24,418 INFO  L471      AbstractCegarLoop]: Abstraction has 6755 states and 10113 transitions.
[2024-12-02 13:00:24,418 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 829.0) internal successors, (3316), 4 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:24,418 INFO  L276                IsEmpty]: Start isEmpty. Operand 6755 states and 10113 transitions.
[2024-12-02 13:00:24,462 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3318
[2024-12-02 13:00:24,462 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:00:24,463 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:00:24,463 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 13:00:24,463 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:00:24,464 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:00:24,465 INFO  L85        PathProgramCache]: Analyzing trace with hash 124578043, now seen corresponding path program 1 times
[2024-12-02 13:00:24,465 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:00:24,466 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001421736]
[2024-12-02 13:00:24,466 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:00:24,466 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:00:28,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:00:36,998 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:00:36,998 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:00:36,999 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001421736]
[2024-12-02 13:00:36,999 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001421736] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:00:36,999 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:00:36,999 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 13:00:36,999 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70409897]
[2024-12-02 13:00:36,999 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:00:37,002 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 13:00:37,002 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:00:37,004 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 13:00:37,005 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:00:37,005 INFO  L87              Difference]: Start difference. First operand 6755 states and 10113 transitions. Second operand  has 6 states, 6 states have (on average 552.8333333333334) internal successors, (3317), 6 states have internal predecessors, (3317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:37,224 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:00:37,224 INFO  L93              Difference]: Finished difference Result 13064 states and 19562 transitions.
[2024-12-02 13:00:37,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 13:00:37,225 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 552.8333333333334) internal successors, (3317), 6 states have internal predecessors, (3317), 0 states have call successors, (0), 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 3317
[2024-12-02 13:00:37,225 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:00:37,231 INFO  L225             Difference]: With dead ends: 13064
[2024-12-02 13:00:37,231 INFO  L226             Difference]: Without dead ends: 6764
[2024-12-02 13:00:37,235 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:00:37,236 INFO  L435           NwaCegarLoop]: 9677 mSDtfsCounter, 9 mSDsluCounter, 38675 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 48352 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:00:37,236 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 48352 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:00:37,242 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6764 states.
[2024-12-02 13:00:37,284 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6764 to 6757.
[2024-12-02 13:00:37,289 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6757 states, 6756 states have (on average 1.497335701598579) internal successors, (10116), 6756 states have internal predecessors, (10116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:37,295 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6757 states to 6757 states and 10116 transitions.
[2024-12-02 13:00:37,296 INFO  L78                 Accepts]: Start accepts. Automaton has 6757 states and 10116 transitions. Word has length 3317
[2024-12-02 13:00:37,296 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:00:37,296 INFO  L471      AbstractCegarLoop]: Abstraction has 6757 states and 10116 transitions.
[2024-12-02 13:00:37,297 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 552.8333333333334) internal successors, (3317), 6 states have internal predecessors, (3317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:37,297 INFO  L276                IsEmpty]: Start isEmpty. Operand 6757 states and 10116 transitions.
[2024-12-02 13:00:37,344 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3318
[2024-12-02 13:00:37,344 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:00:37,345 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:00:37,345 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 13:00:37,345 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:00:37,346 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:00:37,347 INFO  L85        PathProgramCache]: Analyzing trace with hash -1332097733, now seen corresponding path program 1 times
[2024-12-02 13:00:37,347 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:00:37,347 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120027386]
[2024-12-02 13:00:37,348 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:00:37,348 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:00:41,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:00:50,570 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:00:50,570 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:00:50,570 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120027386]
[2024-12-02 13:00:50,570 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120027386] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:00:50,570 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:00:50,570 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 13:00:50,571 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094594874]
[2024-12-02 13:00:50,571 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:00:50,573 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 13:00:50,573 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:00:50,575 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 13:00:50,575 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:00:50,576 INFO  L87              Difference]: Start difference. First operand 6757 states and 10116 transitions. Second operand  has 6 states, 6 states have (on average 552.8333333333334) internal successors, (3317), 6 states have internal predecessors, (3317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:54,669 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:00:54,870 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:00:54,870 INFO  L93              Difference]: Finished difference Result 13069 states and 19571 transitions.
[2024-12-02 13:00:54,870 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:00:54,871 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 552.8333333333334) internal successors, (3317), 6 states have internal predecessors, (3317), 0 states have call successors, (0), 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 3317
[2024-12-02 13:00:54,871 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:00:54,874 INFO  L225             Difference]: With dead ends: 13069
[2024-12-02 13:00:54,874 INFO  L226             Difference]: Without dead ends: 6767
[2024-12-02 13:00:54,876 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:00:54,877 INFO  L435           NwaCegarLoop]: 9565 mSDtfsCounter, 9699 mSDsluCounter, 19123 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9699 SdHoareTripleChecker+Valid, 28688 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:00:54,877 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9699 Valid, 28688 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time]
[2024-12-02 13:00:54,882 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6767 states.
[2024-12-02 13:00:54,917 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6767 to 6759.
[2024-12-02 13:00:54,921 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6759 states, 6758 states have (on average 1.4971885173128145) internal successors, (10118), 6758 states have internal predecessors, (10118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:54,927 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6759 states to 6759 states and 10118 transitions.
[2024-12-02 13:00:54,927 INFO  L78                 Accepts]: Start accepts. Automaton has 6759 states and 10118 transitions. Word has length 3317
[2024-12-02 13:00:54,928 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:00:54,928 INFO  L471      AbstractCegarLoop]: Abstraction has 6759 states and 10118 transitions.
[2024-12-02 13:00:54,928 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 552.8333333333334) internal successors, (3317), 6 states have internal predecessors, (3317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:00:54,928 INFO  L276                IsEmpty]: Start isEmpty. Operand 6759 states and 10118 transitions.
[2024-12-02 13:00:54,971 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3319
[2024-12-02 13:00:54,971 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:00:54,972 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 13:00:54,972 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 13:00:54,972 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:00:54,973 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:00:54,974 INFO  L85        PathProgramCache]: Analyzing trace with hash 176401690, now seen corresponding path program 1 times
[2024-12-02 13:00:54,974 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:00:54,974 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206191332]
[2024-12-02 13:00:54,974 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:00:54,974 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:00:55,678 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:00:59,654 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:00:59,655 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:00:59,655 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206191332]
[2024-12-02 13:00:59,655 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206191332] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:00:59,655 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:00:59,655 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:00:59,655 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450184664]
[2024-12-02 13:00:59,655 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:00:59,657 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:00:59,657 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:00:59,660 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:00:59,660 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:00:59,660 INFO  L87              Difference]: Start difference. First operand 6759 states and 10118 transitions. Second operand  has 4 states, 4 states have (on average 829.5) internal successors, (3318), 4 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:00,088 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:01:00,088 INFO  L93              Difference]: Finished difference Result 16491 states and 24701 transitions.
[2024-12-02 13:01:00,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:01:00,089 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 829.5) internal successors, (3318), 4 states have internal predecessors, (3318), 0 states have call successors, (0), 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 3318
[2024-12-02 13:01:00,090 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:01:00,094 INFO  L225             Difference]: With dead ends: 16491
[2024-12-02 13:01:00,094 INFO  L226             Difference]: Without dead ends: 6762
[2024-12-02 13:01:00,099 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:01:00,099 INFO  L435           NwaCegarLoop]: 9639 mSDtfsCounter, 3441 mSDsluCounter, 19125 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3441 SdHoareTripleChecker+Valid, 28764 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:01:00,099 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3441 Valid, 28764 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:01:00,104 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6762 states.
[2024-12-02 13:01:00,140 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6762 to 6761.
[2024-12-02 13:01:00,146 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6761 states, 6760 states have (on average 1.497189349112426) internal successors, (10121), 6760 states have internal predecessors, (10121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:00,155 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6761 states to 6761 states and 10121 transitions.
[2024-12-02 13:01:00,155 INFO  L78                 Accepts]: Start accepts. Automaton has 6761 states and 10121 transitions. Word has length 3318
[2024-12-02 13:01:00,155 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:01:00,156 INFO  L471      AbstractCegarLoop]: Abstraction has 6761 states and 10121 transitions.
[2024-12-02 13:01:00,156 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 829.5) internal successors, (3318), 4 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:00,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 6761 states and 10121 transitions.
[2024-12-02 13:01:00,208 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3319
[2024-12-02 13:01:00,208 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:01:00,209 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:01:00,209 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 13:01:00,209 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:01:00,210 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:01:00,211 INFO  L85        PathProgramCache]: Analyzing trace with hash 294048811, now seen corresponding path program 1 times
[2024-12-02 13:01:00,211 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:01:00,211 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536319670]
[2024-12-02 13:01:00,211 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:01:00,211 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:01:01,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:01:05,823 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:01:05,823 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:01:05,823 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536319670]
[2024-12-02 13:01:05,824 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536319670] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:01:05,824 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:01:05,824 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:01:05,824 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241498709]
[2024-12-02 13:01:05,824 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:01:05,826 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:01:05,826 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:01:05,829 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:01:05,829 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:01:05,830 INFO  L87              Difference]: Start difference. First operand 6761 states and 10121 transitions. Second operand  has 5 states, 5 states have (on average 663.6) internal successors, (3318), 5 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:06,285 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:01:06,285 INFO  L93              Difference]: Finished difference Result 13068 states and 19567 transitions.
[2024-12-02 13:01:06,285 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:01:06,286 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 663.6) internal successors, (3318), 5 states have internal predecessors, (3318), 0 states have call successors, (0), 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 3318
[2024-12-02 13:01:06,286 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:01:06,290 INFO  L225             Difference]: With dead ends: 13068
[2024-12-02 13:01:06,290 INFO  L226             Difference]: Without dead ends: 6762
[2024-12-02 13:01:06,293 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:01:06,293 INFO  L435           NwaCegarLoop]: 9494 mSDtfsCounter, 19362 mSDsluCounter, 9487 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19362 SdHoareTripleChecker+Valid, 18981 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:01:06,293 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19362 Valid, 18981 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:01:06,298 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6762 states.
[2024-12-02 13:01:06,333 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6762 to 6762.
[2024-12-02 13:01:06,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6762 states, 6761 states have (on average 1.497115811270522) internal successors, (10122), 6761 states have internal predecessors, (10122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:06,344 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6762 states to 6762 states and 10122 transitions.
[2024-12-02 13:01:06,344 INFO  L78                 Accepts]: Start accepts. Automaton has 6762 states and 10122 transitions. Word has length 3318
[2024-12-02 13:01:06,345 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:01:06,345 INFO  L471      AbstractCegarLoop]: Abstraction has 6762 states and 10122 transitions.
[2024-12-02 13:01:06,346 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 663.6) internal successors, (3318), 5 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:06,346 INFO  L276                IsEmpty]: Start isEmpty. Operand 6762 states and 10122 transitions.
[2024-12-02 13:01:06,390 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3319
[2024-12-02 13:01:06,390 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:01:06,391 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:01:06,391 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 13:01:06,391 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:01:06,392 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:01:06,392 INFO  L85        PathProgramCache]: Analyzing trace with hash -1142638111, now seen corresponding path program 1 times
[2024-12-02 13:01:06,392 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:01:06,392 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670387828]
[2024-12-02 13:01:06,393 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:01:06,393 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:01:09,990 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:01:20,619 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:01:20,619 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:01:20,619 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670387828]
[2024-12-02 13:01:20,619 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670387828] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:01:20,619 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:01:20,619 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-12-02 13:01:20,619 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576893209]
[2024-12-02 13:01:20,619 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:01:20,621 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 13:01:20,621 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:01:20,622 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 13:01:20,622 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-02 13:01:20,622 INFO  L87              Difference]: Start difference. First operand 6762 states and 10122 transitions. Second operand  has 9 states, 9 states have (on average 368.6666666666667) internal successors, (3318), 9 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:21,128 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:01:21,128 INFO  L93              Difference]: Finished difference Result 13084 states and 19587 transitions.
[2024-12-02 13:01:21,128 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 13:01:21,129 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 368.6666666666667) internal successors, (3318), 9 states have internal predecessors, (3318), 0 states have call successors, (0), 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 3318
[2024-12-02 13:01:21,129 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:01:21,133 INFO  L225             Difference]: With dead ends: 13084
[2024-12-02 13:01:21,133 INFO  L226             Difference]: Without dead ends: 6777
[2024-12-02 13:01:21,136 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-02 13:01:21,136 INFO  L435           NwaCegarLoop]: 9669 mSDtfsCounter, 11 mSDsluCounter, 67254 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 76923 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:01:21,136 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 76923 Invalid, 596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:01:21,141 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6777 states.
[2024-12-02 13:01:21,178 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6777 to 6772.
[2024-12-02 13:01:21,182 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6772 states, 6771 states have (on average 1.4966770048737261) internal successors, (10134), 6771 states have internal predecessors, (10134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:21,188 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6772 states to 6772 states and 10134 transitions.
[2024-12-02 13:01:21,189 INFO  L78                 Accepts]: Start accepts. Automaton has 6772 states and 10134 transitions. Word has length 3318
[2024-12-02 13:01:21,189 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:01:21,189 INFO  L471      AbstractCegarLoop]: Abstraction has 6772 states and 10134 transitions.
[2024-12-02 13:01:21,190 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 368.6666666666667) internal successors, (3318), 9 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:21,190 INFO  L276                IsEmpty]: Start isEmpty. Operand 6772 states and 10134 transitions.
[2024-12-02 13:01:21,233 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3320
[2024-12-02 13:01:21,233 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:01:21,234 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:01:21,234 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 13:01:21,235 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:01:21,235 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:01:21,236 INFO  L85        PathProgramCache]: Analyzing trace with hash -634031976, now seen corresponding path program 1 times
[2024-12-02 13:01:21,236 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:01:21,236 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864005092]
[2024-12-02 13:01:21,236 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:01:21,236 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:01:25,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:01:35,781 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:01:35,782 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:01:35,782 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864005092]
[2024-12-02 13:01:35,782 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864005092] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:01:35,782 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:01:35,782 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-02 13:01:35,782 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496746465]
[2024-12-02 13:01:35,782 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:01:35,784 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 13:01:35,784 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:01:35,786 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 13:01:35,786 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-12-02 13:01:35,787 INFO  L87              Difference]: Start difference. First operand 6772 states and 10134 transitions. Second operand  has 8 states, 8 states have (on average 414.875) internal successors, (3319), 8 states have internal predecessors, (3319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:36,073 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:01:36,073 INFO  L93              Difference]: Finished difference Result 13095 states and 19600 transitions.
[2024-12-02 13:01:36,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 13:01:36,074 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 414.875) internal successors, (3319), 8 states have internal predecessors, (3319), 0 states have call successors, (0), 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 3319
[2024-12-02 13:01:36,075 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:01:36,081 INFO  L225             Difference]: With dead ends: 13095
[2024-12-02 13:01:36,081 INFO  L226             Difference]: Without dead ends: 6778
[2024-12-02 13:01:36,086 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-12-02 13:01:36,086 INFO  L435           NwaCegarLoop]: 9668 mSDtfsCounter, 8 mSDsluCounter, 57989 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 67657 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:01:36,087 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 67657 Invalid, 171 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:01:36,094 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6778 states.
[2024-12-02 13:01:36,144 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6778 to 6774.
[2024-12-02 13:01:36,149 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6774 states, 6773 states have (on average 1.4966779861213642) internal successors, (10137), 6773 states have internal predecessors, (10137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:36,155 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6774 states to 6774 states and 10137 transitions.
[2024-12-02 13:01:36,155 INFO  L78                 Accepts]: Start accepts. Automaton has 6774 states and 10137 transitions. Word has length 3319
[2024-12-02 13:01:36,156 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:01:36,156 INFO  L471      AbstractCegarLoop]: Abstraction has 6774 states and 10137 transitions.
[2024-12-02 13:01:36,156 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 414.875) internal successors, (3319), 8 states have internal predecessors, (3319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:36,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 6774 states and 10137 transitions.
[2024-12-02 13:01:36,247 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3320
[2024-12-02 13:01:36,247 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:01:36,248 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 13:01:36,248 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 13:01:36,248 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:01:36,249 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:01:36,250 INFO  L85        PathProgramCache]: Analyzing trace with hash -2054840790, now seen corresponding path program 1 times
[2024-12-02 13:01:36,250 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:01:36,250 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892296694]
[2024-12-02 13:01:36,250 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:01:36,250 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:01:39,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:01:48,837 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:01:48,837 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:01:48,837 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892296694]
[2024-12-02 13:01:48,838 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892296694] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:01:48,838 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:01:48,838 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-12-02 13:01:48,838 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422622323]
[2024-12-02 13:01:48,838 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:01:48,840 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 13:01:48,840 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:01:48,843 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 13:01:48,843 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-02 13:01:48,844 INFO  L87              Difference]: Start difference. First operand 6774 states and 10137 transitions. Second operand  has 9 states, 9 states have (on average 368.77777777777777) internal successors, (3319), 9 states have internal predecessors, (3319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:49,462 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:01:49,462 INFO  L93              Difference]: Finished difference Result 13104 states and 19612 transitions.
[2024-12-02 13:01:49,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 13:01:49,463 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 368.77777777777777) internal successors, (3319), 9 states have internal predecessors, (3319), 0 states have call successors, (0), 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 3319
[2024-12-02 13:01:49,463 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:01:49,467 INFO  L225             Difference]: With dead ends: 13104
[2024-12-02 13:01:49,467 INFO  L226             Difference]: Without dead ends: 6785
[2024-12-02 13:01:49,470 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-02 13:01:49,472 INFO  L435           NwaCegarLoop]: 9678 mSDtfsCounter, 28 mSDsluCounter, 57715 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 67393 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:01:49,473 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 67393 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:01:49,480 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6785 states.
[2024-12-02 13:01:49,528 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6785 to 6782.
[2024-12-02 13:01:49,533 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6782 states, 6781 states have (on average 1.496386963574694) internal successors, (10147), 6781 states have internal predecessors, (10147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:49,538 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 10147 transitions.
[2024-12-02 13:01:49,538 INFO  L78                 Accepts]: Start accepts. Automaton has 6782 states and 10147 transitions. Word has length 3319
[2024-12-02 13:01:49,539 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:01:49,539 INFO  L471      AbstractCegarLoop]: Abstraction has 6782 states and 10147 transitions.
[2024-12-02 13:01:49,539 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 368.77777777777777) internal successors, (3319), 9 states have internal predecessors, (3319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:49,539 INFO  L276                IsEmpty]: Start isEmpty. Operand 6782 states and 10147 transitions.
[2024-12-02 13:01:49,581 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3321
[2024-12-02 13:01:49,581 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:01:49,582 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:01:49,582 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 13:01:49,582 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:01:49,583 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:01:49,583 INFO  L85        PathProgramCache]: Analyzing trace with hash 832996446, now seen corresponding path program 1 times
[2024-12-02 13:01:49,583 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:01:49,583 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391223288]
[2024-12-02 13:01:49,583 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:01:49,583 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:01:53,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:01:57,783 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:01:57,783 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:01:57,783 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391223288]
[2024-12-02 13:01:57,783 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391223288] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:01:57,783 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:01:57,783 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:01:57,784 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587047873]
[2024-12-02 13:01:57,784 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:01:57,786 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:01:57,786 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:01:57,787 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:01:57,787 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:01:57,788 INFO  L87              Difference]: Start difference. First operand 6782 states and 10147 transitions. Second operand  has 5 states, 5 states have (on average 664.0) internal successors, (3320), 5 states have internal predecessors, (3320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:58,077 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:01:58,077 INFO  L93              Difference]: Finished difference Result 13109 states and 19617 transitions.
[2024-12-02 13:01:58,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:01:58,078 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 664.0) internal successors, (3320), 5 states have internal predecessors, (3320), 0 states have call successors, (0), 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 3320
[2024-12-02 13:01:58,078 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:01:58,082 INFO  L225             Difference]: With dead ends: 13109
[2024-12-02 13:01:58,082 INFO  L226             Difference]: Without dead ends: 6782
[2024-12-02 13:01:58,085 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:01:58,085 INFO  L435           NwaCegarLoop]: 9567 mSDtfsCounter, 19106 mSDsluCounter, 9564 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19106 SdHoareTripleChecker+Valid, 19131 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:01:58,086 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19106 Valid, 19131 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:01:58,090 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6782 states.
[2024-12-02 13:01:58,124 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6782 to 6782.
[2024-12-02 13:01:58,129 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6782 states, 6781 states have (on average 1.4962394927001916) internal successors, (10146), 6781 states have internal predecessors, (10146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:58,134 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 10146 transitions.
[2024-12-02 13:01:58,134 INFO  L78                 Accepts]: Start accepts. Automaton has 6782 states and 10146 transitions. Word has length 3320
[2024-12-02 13:01:58,134 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:01:58,135 INFO  L471      AbstractCegarLoop]: Abstraction has 6782 states and 10146 transitions.
[2024-12-02 13:01:58,135 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 664.0) internal successors, (3320), 5 states have internal predecessors, (3320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:01:58,135 INFO  L276                IsEmpty]: Start isEmpty. Operand 6782 states and 10146 transitions.
[2024-12-02 13:01:58,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3322
[2024-12-02 13:01:58,177 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:01:58,178 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:01:58,178 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 13:01:58,178 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:01:58,179 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:01:58,179 INFO  L85        PathProgramCache]: Analyzing trace with hash -1541781414, now seen corresponding path program 1 times
[2024-12-02 13:01:58,179 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:01:58,179 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694417990]
[2024-12-02 13:01:58,180 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:01:58,180 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:01:58,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:02:02,110 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:02:02,111 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:02:02,111 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694417990]
[2024-12-02 13:02:02,111 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694417990] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:02:02,111 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:02:02,111 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:02:02,111 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705284334]
[2024-12-02 13:02:02,111 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:02:02,112 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:02:02,112 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:02:02,114 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:02:02,114 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:02:02,114 INFO  L87              Difference]: Start difference. First operand 6782 states and 10146 transitions. Second operand  has 4 states, 4 states have (on average 830.25) internal successors, (3321), 4 states have internal predecessors, (3321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:02,519 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:02:02,519 INFO  L93              Difference]: Finished difference Result 13109 states and 19615 transitions.
[2024-12-02 13:02:02,519 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:02:02,520 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 830.25) internal successors, (3321), 4 states have internal predecessors, (3321), 0 states have call successors, (0), 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 3321
[2024-12-02 13:02:02,520 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:02:02,524 INFO  L225             Difference]: With dead ends: 13109
[2024-12-02 13:02:02,524 INFO  L226             Difference]: Without dead ends: 6782
[2024-12-02 13:02:02,528 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:02:02,528 INFO  L435           NwaCegarLoop]: 9493 mSDtfsCounter, 9675 mSDsluCounter, 9488 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9675 SdHoareTripleChecker+Valid, 18981 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:02:02,528 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9675 Valid, 18981 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:02:02,533 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6782 states.
[2024-12-02 13:02:02,573 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6782 to 6782.
[2024-12-02 13:02:02,578 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6782 states, 6781 states have (on average 1.4960920218256895) internal successors, (10145), 6781 states have internal predecessors, (10145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:02,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 10145 transitions.
[2024-12-02 13:02:02,584 INFO  L78                 Accepts]: Start accepts. Automaton has 6782 states and 10145 transitions. Word has length 3321
[2024-12-02 13:02:02,584 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:02:02,584 INFO  L471      AbstractCegarLoop]: Abstraction has 6782 states and 10145 transitions.
[2024-12-02 13:02:02,584 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 830.25) internal successors, (3321), 4 states have internal predecessors, (3321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:02,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 6782 states and 10145 transitions.
[2024-12-02 13:02:02,628 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3322
[2024-12-02 13:02:02,628 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:02:02,628 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 13:02:02,628 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 13:02:02,628 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:02:02,629 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:02:02,629 INFO  L85        PathProgramCache]: Analyzing trace with hash 736967337, now seen corresponding path program 1 times
[2024-12-02 13:02:02,629 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:02:02,629 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82927725]
[2024-12-02 13:02:02,630 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:02:02,630 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:02:04,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:02:09,066 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:02:09,066 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:02:09,066 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82927725]
[2024-12-02 13:02:09,066 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82927725] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:02:09,066 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:02:09,067 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:02:09,067 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308265691]
[2024-12-02 13:02:09,067 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:02:09,069 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:02:09,069 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:02:09,070 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:02:09,070 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:02:09,071 INFO  L87              Difference]: Start difference. First operand 6782 states and 10145 transitions. Second operand  has 5 states, 5 states have (on average 664.2) internal successors, (3321), 5 states have internal predecessors, (3321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:09,683 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:02:09,683 INFO  L93              Difference]: Finished difference Result 13109 states and 19613 transitions.
[2024-12-02 13:02:09,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:02:09,684 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 664.2) internal successors, (3321), 5 states have internal predecessors, (3321), 0 states have call successors, (0), 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 3321
[2024-12-02 13:02:09,684 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:02:09,688 INFO  L225             Difference]: With dead ends: 13109
[2024-12-02 13:02:09,688 INFO  L226             Difference]: Without dead ends: 6782
[2024-12-02 13:02:09,690 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:02:09,691 INFO  L435           NwaCegarLoop]: 9493 mSDtfsCounter, 19332 mSDsluCounter, 9487 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19332 SdHoareTripleChecker+Valid, 18980 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:02:09,691 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19332 Valid, 18980 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:02:09,696 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6782 states.
[2024-12-02 13:02:09,730 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6782 to 6782.
[2024-12-02 13:02:09,734 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6782 states, 6781 states have (on average 1.495944550951187) internal successors, (10144), 6781 states have internal predecessors, (10144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:09,740 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 10144 transitions.
[2024-12-02 13:02:09,740 INFO  L78                 Accepts]: Start accepts. Automaton has 6782 states and 10144 transitions. Word has length 3321
[2024-12-02 13:02:09,740 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:02:09,740 INFO  L471      AbstractCegarLoop]: Abstraction has 6782 states and 10144 transitions.
[2024-12-02 13:02:09,741 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 664.2) internal successors, (3321), 5 states have internal predecessors, (3321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:09,741 INFO  L276                IsEmpty]: Start isEmpty. Operand 6782 states and 10144 transitions.
[2024-12-02 13:02:09,782 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3323
[2024-12-02 13:02:09,782 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:02:09,783 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:02:09,783 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-12-02 13:02:09,783 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:02:09,784 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:02:09,785 INFO  L85        PathProgramCache]: Analyzing trace with hash -1324244906, now seen corresponding path program 1 times
[2024-12-02 13:02:09,785 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:02:09,785 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465394825]
[2024-12-02 13:02:09,785 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:02:09,785 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:02:13,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:02:18,626 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:02:18,627 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:02:18,627 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465394825]
[2024-12-02 13:02:18,627 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465394825] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:02:18,627 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:02:18,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:02:18,627 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611175024]
[2024-12-02 13:02:18,627 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:02:18,629 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:02:18,629 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:02:18,630 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:02:18,630 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:02:18,631 INFO  L87              Difference]: Start difference. First operand 6782 states and 10144 transitions. Second operand  has 5 states, 5 states have (on average 664.4) internal successors, (3322), 5 states have internal predecessors, (3322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:18,758 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:02:18,758 INFO  L93              Difference]: Finished difference Result 13110 states and 19613 transitions.
[2024-12-02 13:02:18,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:02:18,759 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 664.4) internal successors, (3322), 5 states have internal predecessors, (3322), 0 states have call successors, (0), 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 3322
[2024-12-02 13:02:18,759 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:02:18,763 INFO  L225             Difference]: With dead ends: 13110
[2024-12-02 13:02:18,763 INFO  L226             Difference]: Without dead ends: 6783
[2024-12-02 13:02:18,766 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:02:18,766 INFO  L435           NwaCegarLoop]: 9671 mSDtfsCounter, 9439 mSDsluCounter, 19337 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9439 SdHoareTripleChecker+Valid, 29008 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:02:18,766 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9439 Valid, 29008 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:02:18,771 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6783 states.
[2024-12-02 13:02:18,806 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6783 to 6783.
[2024-12-02 13:02:18,811 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6783 states, 6782 states have (on average 1.4958714243585962) internal successors, (10145), 6782 states have internal predecessors, (10145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:18,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6783 states to 6783 states and 10145 transitions.
[2024-12-02 13:02:18,817 INFO  L78                 Accepts]: Start accepts. Automaton has 6783 states and 10145 transitions. Word has length 3322
[2024-12-02 13:02:18,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:02:18,817 INFO  L471      AbstractCegarLoop]: Abstraction has 6783 states and 10145 transitions.
[2024-12-02 13:02:18,818 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 664.4) internal successors, (3322), 5 states have internal predecessors, (3322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:18,818 INFO  L276                IsEmpty]: Start isEmpty. Operand 6783 states and 10145 transitions.
[2024-12-02 13:02:18,875 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3323
[2024-12-02 13:02:18,875 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:02:18,875 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:02:18,875 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-02 13:02:18,876 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:02:18,876 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:02:18,877 INFO  L85        PathProgramCache]: Analyzing trace with hash -944327658, now seen corresponding path program 1 times
[2024-12-02 13:02:18,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:02:18,877 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540377471]
[2024-12-02 13:02:18,877 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:02:18,877 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:02:22,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:02:27,138 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:02:27,139 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:02:27,139 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540377471]
[2024-12-02 13:02:27,139 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540377471] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:02:27,139 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:02:27,139 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:02:27,139 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783950197]
[2024-12-02 13:02:27,139 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:02:27,141 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:02:27,141 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:02:27,143 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:02:27,143 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:02:27,144 INFO  L87              Difference]: Start difference. First operand 6783 states and 10145 transitions. Second operand  has 5 states, 5 states have (on average 664.4) internal successors, (3322), 5 states have internal predecessors, (3322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:27,462 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:02:27,462 INFO  L93              Difference]: Finished difference Result 13111 states and 19613 transitions.
[2024-12-02 13:02:27,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:02:27,463 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 664.4) internal successors, (3322), 5 states have internal predecessors, (3322), 0 states have call successors, (0), 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 3322
[2024-12-02 13:02:27,464 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:02:27,468 INFO  L225             Difference]: With dead ends: 13111
[2024-12-02 13:02:27,468 INFO  L226             Difference]: Without dead ends: 6783
[2024-12-02 13:02:27,472 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:02:27,472 INFO  L435           NwaCegarLoop]: 9564 mSDtfsCounter, 19062 mSDsluCounter, 9561 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19062 SdHoareTripleChecker+Valid, 19125 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:02:27,472 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19062 Valid, 19125 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:02:27,479 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6783 states.
[2024-12-02 13:02:27,539 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6783 to 6783.
[2024-12-02 13:02:27,545 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6783 states, 6782 states have (on average 1.495723975228546) internal successors, (10144), 6782 states have internal predecessors, (10144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:27,554 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6783 states to 6783 states and 10144 transitions.
[2024-12-02 13:02:27,554 INFO  L78                 Accepts]: Start accepts. Automaton has 6783 states and 10144 transitions. Word has length 3322
[2024-12-02 13:02:27,554 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:02:27,554 INFO  L471      AbstractCegarLoop]: Abstraction has 6783 states and 10144 transitions.
[2024-12-02 13:02:27,555 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 664.4) internal successors, (3322), 5 states have internal predecessors, (3322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:27,555 INFO  L276                IsEmpty]: Start isEmpty. Operand 6783 states and 10144 transitions.
[2024-12-02 13:02:27,664 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3324
[2024-12-02 13:02:27,664 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:02:27,665 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:02:27,665 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-12-02 13:02:27,665 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:02:27,665 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:02:27,666 INFO  L85        PathProgramCache]: Analyzing trace with hash -1036348888, now seen corresponding path program 1 times
[2024-12-02 13:02:27,666 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:02:27,666 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184337488]
[2024-12-02 13:02:27,667 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:02:27,667 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:02:28,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:02:32,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:02:32,208 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:02:32,208 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184337488]
[2024-12-02 13:02:32,209 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184337488] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:02:32,209 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:02:32,209 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:02:32,209 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026555484]
[2024-12-02 13:02:32,209 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:02:32,210 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:02:32,210 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:02:32,211 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:02:32,211 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:02:32,212 INFO  L87              Difference]: Start difference. First operand 6783 states and 10144 transitions. Second operand  has 4 states, 4 states have (on average 830.75) internal successors, (3323), 4 states have internal predecessors, (3323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:32,836 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:02:32,836 INFO  L93              Difference]: Finished difference Result 13111 states and 19611 transitions.
[2024-12-02 13:02:32,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:02:32,837 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 830.75) internal successors, (3323), 4 states have internal predecessors, (3323), 0 states have call successors, (0), 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 3323
[2024-12-02 13:02:32,837 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:02:32,841 INFO  L225             Difference]: With dead ends: 13111
[2024-12-02 13:02:32,841 INFO  L226             Difference]: Without dead ends: 6783
[2024-12-02 13:02:32,843 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:02:32,843 INFO  L435           NwaCegarLoop]: 9492 mSDtfsCounter, 9653 mSDsluCounter, 9487 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9653 SdHoareTripleChecker+Valid, 18979 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 13:02:32,843 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9653 Valid, 18979 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 13:02:32,848 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6783 states.
[2024-12-02 13:02:32,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6783 to 6783.
[2024-12-02 13:02:32,885 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6783 states, 6782 states have (on average 1.4955765260984961) internal successors, (10143), 6782 states have internal predecessors, (10143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:32,890 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6783 states to 6783 states and 10143 transitions.
[2024-12-02 13:02:32,890 INFO  L78                 Accepts]: Start accepts. Automaton has 6783 states and 10143 transitions. Word has length 3323
[2024-12-02 13:02:32,891 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:02:32,891 INFO  L471      AbstractCegarLoop]: Abstraction has 6783 states and 10143 transitions.
[2024-12-02 13:02:32,891 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 830.75) internal successors, (3323), 4 states have internal predecessors, (3323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:32,891 INFO  L276                IsEmpty]: Start isEmpty. Operand 6783 states and 10143 transitions.
[2024-12-02 13:02:32,934 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3324
[2024-12-02 13:02:32,934 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:02:32,935 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:02:32,935 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-02 13:02:32,935 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:02:32,936 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:02:32,936 INFO  L85        PathProgramCache]: Analyzing trace with hash -1070834695, now seen corresponding path program 1 times
[2024-12-02 13:02:32,936 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:02:32,936 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487174407]
[2024-12-02 13:02:32,936 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:02:32,936 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:02:34,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:02:39,432 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:02:39,433 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:02:39,433 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487174407]
[2024-12-02 13:02:39,433 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487174407] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:02:39,433 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:02:39,433 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:02:39,434 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154889972]
[2024-12-02 13:02:39,434 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:02:39,435 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:02:39,435 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:02:39,436 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:02:39,436 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:02:39,437 INFO  L87              Difference]: Start difference. First operand 6783 states and 10143 transitions. Second operand  has 5 states, 5 states have (on average 664.6) internal successors, (3323), 5 states have internal predecessors, (3323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:39,939 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:02:39,939 INFO  L93              Difference]: Finished difference Result 13111 states and 19609 transitions.
[2024-12-02 13:02:39,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:02:39,940 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 664.6) internal successors, (3323), 5 states have internal predecessors, (3323), 0 states have call successors, (0), 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 3323
[2024-12-02 13:02:39,940 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:02:39,944 INFO  L225             Difference]: With dead ends: 13111
[2024-12-02 13:02:39,944 INFO  L226             Difference]: Without dead ends: 6783
[2024-12-02 13:02:39,948 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:02:39,948 INFO  L435           NwaCegarLoop]: 9492 mSDtfsCounter, 19288 mSDsluCounter, 9486 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19288 SdHoareTripleChecker+Valid, 18978 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:02:39,948 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19288 Valid, 18978 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:02:39,954 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6783 states.
[2024-12-02 13:02:40,006 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6783 to 6783.
[2024-12-02 13:02:40,012 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6783 states, 6782 states have (on average 1.495429076968446) internal successors, (10142), 6782 states have internal predecessors, (10142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:40,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6783 states to 6783 states and 10142 transitions.
[2024-12-02 13:02:40,022 INFO  L78                 Accepts]: Start accepts. Automaton has 6783 states and 10142 transitions. Word has length 3323
[2024-12-02 13:02:40,022 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:02:40,022 INFO  L471      AbstractCegarLoop]: Abstraction has 6783 states and 10142 transitions.
[2024-12-02 13:02:40,023 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 664.6) internal successors, (3323), 5 states have internal predecessors, (3323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:40,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 6783 states and 10142 transitions.
[2024-12-02 13:02:40,226 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3325
[2024-12-02 13:02:40,226 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:02:40,227 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:02:40,227 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-12-02 13:02:40,227 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:02:40,230 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:02:40,230 INFO  L85        PathProgramCache]: Analyzing trace with hash -485983522, now seen corresponding path program 1 times
[2024-12-02 13:02:40,230 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:02:40,230 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585052940]
[2024-12-02 13:02:40,230 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:02:40,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:02:43,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:02:49,227 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:02:49,227 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:02:49,227 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585052940]
[2024-12-02 13:02:49,227 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585052940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:02:49,227 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:02:49,227 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:02:49,227 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207641816]
[2024-12-02 13:02:49,227 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:02:49,229 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:02:49,230 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:02:49,232 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:02:49,232 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:02:49,232 INFO  L87              Difference]: Start difference. First operand 6783 states and 10142 transitions. Second operand  has 5 states, 5 states have (on average 664.8) internal successors, (3324), 5 states have internal predecessors, (3324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:49,598 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:02:49,598 INFO  L93              Difference]: Finished difference Result 13112 states and 19609 transitions.
[2024-12-02 13:02:49,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:02:49,599 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 664.8) internal successors, (3324), 5 states have internal predecessors, (3324), 0 states have call successors, (0), 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 3324
[2024-12-02 13:02:49,599 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:02:49,603 INFO  L225             Difference]: With dead ends: 13112
[2024-12-02 13:02:49,603 INFO  L226             Difference]: Without dead ends: 6784
[2024-12-02 13:02:49,605 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:02:49,606 INFO  L435           NwaCegarLoop]: 9667 mSDtfsCounter, 9417 mSDsluCounter, 19329 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9417 SdHoareTripleChecker+Valid, 28996 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:02:49,606 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9417 Valid, 28996 Invalid, 46 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:02:49,611 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6784 states.
[2024-12-02 13:02:49,643 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6784 to 6784.
[2024-12-02 13:02:49,648 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6784 states, 6783 states have (on average 1.4953560371517027) internal successors, (10143), 6783 states have internal predecessors, (10143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:49,654 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6784 states to 6784 states and 10143 transitions.
[2024-12-02 13:02:49,654 INFO  L78                 Accepts]: Start accepts. Automaton has 6784 states and 10143 transitions. Word has length 3324
[2024-12-02 13:02:49,654 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:02:49,654 INFO  L471      AbstractCegarLoop]: Abstraction has 6784 states and 10143 transitions.
[2024-12-02 13:02:49,655 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 664.8) internal successors, (3324), 5 states have internal predecessors, (3324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:02:49,655 INFO  L276                IsEmpty]: Start isEmpty. Operand 6784 states and 10143 transitions.
[2024-12-02 13:02:49,698 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3325
[2024-12-02 13:02:49,698 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:02:49,698 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:02:49,699 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-12-02 13:02:49,699 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:02:49,699 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:02:49,700 INFO  L85        PathProgramCache]: Analyzing trace with hash 495087390, now seen corresponding path program 1 times
[2024-12-02 13:02:49,700 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:02:49,700 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653975485]
[2024-12-02 13:02:49,700 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:02:49,700 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:02:53,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:03:03,483 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:03:03,483 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:03:03,483 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653975485]
[2024-12-02 13:03:03,483 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653975485] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:03:03,483 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:03:03,483 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 13:03:03,483 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117497636]
[2024-12-02 13:03:03,483 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:03:03,485 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 13:03:03,485 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:03:03,486 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 13:03:03,486 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:03:03,486 INFO  L87              Difference]: Start difference. First operand 6784 states and 10143 transitions. Second operand  has 6 states, 6 states have (on average 554.0) internal successors, (3324), 6 states have internal predecessors, (3324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:07,856 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:03:08,122 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:03:08,122 INFO  L93              Difference]: Finished difference Result 13123 states and 19625 transitions.
[2024-12-02 13:03:08,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:03:08,123 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 554.0) internal successors, (3324), 6 states have internal predecessors, (3324), 0 states have call successors, (0), 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 3324
[2024-12-02 13:03:08,123 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:03:08,127 INFO  L225             Difference]: With dead ends: 13123
[2024-12-02 13:03:08,128 INFO  L226             Difference]: Without dead ends: 6794
[2024-12-02 13:03:08,131 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:03:08,131 INFO  L435           NwaCegarLoop]: 9561 mSDtfsCounter, 9645 mSDsluCounter, 19115 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9645 SdHoareTripleChecker+Valid, 28676 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:03:08,131 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9645 Valid, 28676 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 375 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time]
[2024-12-02 13:03:08,136 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6794 states.
[2024-12-02 13:03:08,171 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6794 to 6786.
[2024-12-02 13:03:08,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6786 states, 6785 states have (on average 1.4952100221075904) internal successors, (10145), 6785 states have internal predecessors, (10145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:08,181 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6786 states to 6786 states and 10145 transitions.
[2024-12-02 13:03:08,181 INFO  L78                 Accepts]: Start accepts. Automaton has 6786 states and 10145 transitions. Word has length 3324
[2024-12-02 13:03:08,181 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:03:08,182 INFO  L471      AbstractCegarLoop]: Abstraction has 6786 states and 10145 transitions.
[2024-12-02 13:03:08,182 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 554.0) internal successors, (3324), 6 states have internal predecessors, (3324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:08,182 INFO  L276                IsEmpty]: Start isEmpty. Operand 6786 states and 10145 transitions.
[2024-12-02 13:03:08,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3326
[2024-12-02 13:03:08,225 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:03:08,225 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:03:08,226 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-12-02 13:03:08,226 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:03:08,226 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:03:08,227 INFO  L85        PathProgramCache]: Analyzing trace with hash 427924175, now seen corresponding path program 1 times
[2024-12-02 13:03:08,227 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:03:08,227 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329321949]
[2024-12-02 13:03:08,227 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:03:08,227 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:03:08,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:03:13,080 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:03:13,080 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:03:13,080 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329321949]
[2024-12-02 13:03:13,080 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329321949] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:03:13,080 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:03:13,080 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:03:13,080 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165058019]
[2024-12-02 13:03:13,080 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:03:13,081 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:03:13,081 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:03:13,083 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:03:13,083 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:03:13,083 INFO  L87              Difference]: Start difference. First operand 6786 states and 10145 transitions. Second operand  has 4 states, 4 states have (on average 831.25) internal successors, (3325), 4 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:13,486 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:03:13,486 INFO  L93              Difference]: Finished difference Result 13120 states and 19619 transitions.
[2024-12-02 13:03:13,486 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:03:13,487 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 831.25) internal successors, (3325), 4 states have internal predecessors, (3325), 0 states have call successors, (0), 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 3325
[2024-12-02 13:03:13,487 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:03:13,491 INFO  L225             Difference]: With dead ends: 13120
[2024-12-02 13:03:13,491 INFO  L226             Difference]: Without dead ends: 6789
[2024-12-02 13:03:13,495 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:03:13,495 INFO  L435           NwaCegarLoop]: 9492 mSDtfsCounter, 9642 mSDsluCounter, 9485 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9642 SdHoareTripleChecker+Valid, 18977 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:03:13,495 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9642 Valid, 18977 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:03:13,508 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6789 states.
[2024-12-02 13:03:13,555 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6789 to 6788.
[2024-12-02 13:03:13,560 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6788 states, 6787 states have (on average 1.495211433623103) internal successors, (10148), 6787 states have internal predecessors, (10148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:13,565 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6788 states to 6788 states and 10148 transitions.
[2024-12-02 13:03:13,566 INFO  L78                 Accepts]: Start accepts. Automaton has 6788 states and 10148 transitions. Word has length 3325
[2024-12-02 13:03:13,566 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:03:13,566 INFO  L471      AbstractCegarLoop]: Abstraction has 6788 states and 10148 transitions.
[2024-12-02 13:03:13,566 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 831.25) internal successors, (3325), 4 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:13,567 INFO  L276                IsEmpty]: Start isEmpty. Operand 6788 states and 10148 transitions.
[2024-12-02 13:03:13,608 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3326
[2024-12-02 13:03:13,609 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:03:13,609 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:03:13,609 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-12-02 13:03:13,609 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:03:13,610 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:03:13,610 INFO  L85        PathProgramCache]: Analyzing trace with hash 2081622174, now seen corresponding path program 1 times
[2024-12-02 13:03:13,610 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:03:13,610 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717936687]
[2024-12-02 13:03:13,610 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:03:13,611 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:03:15,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:03:20,709 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:03:20,709 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:03:20,709 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717936687]
[2024-12-02 13:03:20,709 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717936687] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:03:20,709 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:03:20,709 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:03:20,709 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575001373]
[2024-12-02 13:03:20,709 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:03:20,711 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:03:20,711 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:03:20,712 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:03:20,712 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:03:20,712 INFO  L87              Difference]: Start difference. First operand 6788 states and 10148 transitions. Second operand  has 5 states, 5 states have (on average 665.0) internal successors, (3325), 5 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:21,222 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:03:21,223 INFO  L93              Difference]: Finished difference Result 13122 states and 19621 transitions.
[2024-12-02 13:03:21,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:03:21,224 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 665.0) internal successors, (3325), 5 states have internal predecessors, (3325), 0 states have call successors, (0), 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 3325
[2024-12-02 13:03:21,224 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:03:21,228 INFO  L225             Difference]: With dead ends: 13122
[2024-12-02 13:03:21,228 INFO  L226             Difference]: Without dead ends: 6789
[2024-12-02 13:03:21,231 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:03:21,232 INFO  L435           NwaCegarLoop]: 9492 mSDtfsCounter, 9632 mSDsluCounter, 9486 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9632 SdHoareTripleChecker+Valid, 18978 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:03:21,232 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9632 Valid, 18978 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:03:21,236 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6789 states.
[2024-12-02 13:03:21,272 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6789 to 6789.
[2024-12-02 13:03:21,276 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6789 states, 6788 states have (on average 1.4951384796700058) internal successors, (10149), 6788 states have internal predecessors, (10149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:21,282 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6789 states to 6789 states and 10149 transitions.
[2024-12-02 13:03:21,282 INFO  L78                 Accepts]: Start accepts. Automaton has 6789 states and 10149 transitions. Word has length 3325
[2024-12-02 13:03:21,283 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:03:21,283 INFO  L471      AbstractCegarLoop]: Abstraction has 6789 states and 10149 transitions.
[2024-12-02 13:03:21,284 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 665.0) internal successors, (3325), 5 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:21,284 INFO  L276                IsEmpty]: Start isEmpty. Operand 6789 states and 10149 transitions.
[2024-12-02 13:03:21,330 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3326
[2024-12-02 13:03:21,330 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:03:21,330 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:03:21,330 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-12-02 13:03:21,331 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:03:21,331 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:03:21,331 INFO  L85        PathProgramCache]: Analyzing trace with hash -147823064, now seen corresponding path program 1 times
[2024-12-02 13:03:21,331 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:03:21,332 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641386951]
[2024-12-02 13:03:21,332 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:03:21,332 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:03:25,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:03:38,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:03:38,254 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:03:38,254 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641386951]
[2024-12-02 13:03:38,254 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641386951] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:03:38,254 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:03:38,254 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-12-02 13:03:38,255 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520861340]
[2024-12-02 13:03:38,255 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:03:38,256 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 13:03:38,256 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:03:38,257 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 13:03:38,258 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2024-12-02 13:03:38,258 INFO  L87              Difference]: Start difference. First operand 6789 states and 10149 transitions. Second operand  has 10 states, 10 states have (on average 332.5) internal successors, (3325), 10 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:42,460 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:03:46,012 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:03:46,460 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:03:46,460 INFO  L93              Difference]: Finished difference Result 16606 states and 24842 transitions.
[2024-12-02 13:03:46,460 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 13:03:46,461 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 332.5) internal successors, (3325), 10 states have internal predecessors, (3325), 0 states have call successors, (0), 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 3325
[2024-12-02 13:03:46,461 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:03:46,467 INFO  L225             Difference]: With dead ends: 16606
[2024-12-02 13:03:46,467 INFO  L226             Difference]: Without dead ends: 10272
[2024-12-02 13:03:46,472 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2024-12-02 13:03:46,472 INFO  L435           NwaCegarLoop]: 9555 mSDtfsCounter, 19821 mSDsluCounter, 57276 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19821 SdHoareTripleChecker+Valid, 66831 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:03:46,472 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19821 Valid, 66831 Invalid, 958 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time]
[2024-12-02 13:03:46,479 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10272 states.
[2024-12-02 13:03:46,531 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10272 to 6797.
[2024-12-02 13:03:46,536 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6797 states, 6796 states have (on average 1.4949970570924074) internal successors, (10160), 6796 states have internal predecessors, (10160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:46,542 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6797 states to 6797 states and 10160 transitions.
[2024-12-02 13:03:46,542 INFO  L78                 Accepts]: Start accepts. Automaton has 6797 states and 10160 transitions. Word has length 3325
[2024-12-02 13:03:46,542 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:03:46,542 INFO  L471      AbstractCegarLoop]: Abstraction has 6797 states and 10160 transitions.
[2024-12-02 13:03:46,543 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 332.5) internal successors, (3325), 10 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:46,543 INFO  L276                IsEmpty]: Start isEmpty. Operand 6797 states and 10160 transitions.
[2024-12-02 13:03:46,608 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3327
[2024-12-02 13:03:46,609 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:03:46,609 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:03:46,609 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-12-02 13:03:46,609 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:03:46,610 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:03:46,611 INFO  L85        PathProgramCache]: Analyzing trace with hash 1108041142, now seen corresponding path program 1 times
[2024-12-02 13:03:46,611 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:03:46,611 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469406760]
[2024-12-02 13:03:46,612 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:03:46,612 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:03:51,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:03,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:03,679 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:03,679 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469406760]
[2024-12-02 13:04:03,679 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469406760] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:03,679 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:03,679 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 13:04:03,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622426929]
[2024-12-02 13:04:03,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:03,681 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 13:04:03,681 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:03,683 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 13:04:03,683 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:04:03,684 INFO  L87              Difference]: Start difference. First operand 6797 states and 10160 transitions. Second operand  has 6 states, 6 states have (on average 554.3333333333334) internal successors, (3326), 6 states have internal predecessors, (3326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:04,455 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:04,455 INFO  L93              Difference]: Finished difference Result 13148 states and 19656 transitions.
[2024-12-02 13:04:04,456 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 13:04:04,457 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 554.3333333333334) internal successors, (3326), 6 states have internal predecessors, (3326), 0 states have call successors, (0), 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 3326
[2024-12-02 13:04:04,457 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:04,462 INFO  L225             Difference]: With dead ends: 13148
[2024-12-02 13:04:04,462 INFO  L226             Difference]: Without dead ends: 6806
[2024-12-02 13:04:04,465 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-12-02 13:04:04,466 INFO  L435           NwaCegarLoop]: 9666 mSDtfsCounter, 9409 mSDsluCounter, 28981 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9409 SdHoareTripleChecker+Valid, 38647 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:04,466 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9409 Valid, 38647 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 13:04:04,472 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6806 states.
[2024-12-02 13:04:04,515 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6806 to 6799.
[2024-12-02 13:04:04,520 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6799 states, 6798 states have (on average 1.4949985289791115) internal successors, (10163), 6798 states have internal predecessors, (10163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:04,527 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 10163 transitions.
[2024-12-02 13:04:04,527 INFO  L78                 Accepts]: Start accepts. Automaton has 6799 states and 10163 transitions. Word has length 3326
[2024-12-02 13:04:04,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:04,527 INFO  L471      AbstractCegarLoop]: Abstraction has 6799 states and 10163 transitions.
[2024-12-02 13:04:04,528 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 554.3333333333334) internal successors, (3326), 6 states have internal predecessors, (3326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:04,528 INFO  L276                IsEmpty]: Start isEmpty. Operand 6799 states and 10163 transitions.
[2024-12-02 13:04:04,573 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3327
[2024-12-02 13:04:04,573 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:04:04,574 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:04:04,574 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-12-02 13:04:04,574 INFO  L396      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:04:04,575 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:04,575 INFO  L85        PathProgramCache]: Analyzing trace with hash 311382390, now seen corresponding path program 1 times
[2024-12-02 13:04:04,575 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:04,576 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130971906]
[2024-12-02 13:04:04,576 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:04,576 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:09,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:14,607 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:14,607 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:14,607 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130971906]
[2024-12-02 13:04:14,607 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130971906] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:14,607 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:14,608 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:04:14,608 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083322095]
[2024-12-02 13:04:14,608 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:14,610 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:04:14,610 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:14,612 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:04:14,612 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:04:14,613 INFO  L87              Difference]: Start difference. First operand 6799 states and 10163 transitions. Second operand  has 5 states, 5 states have (on average 665.2) internal successors, (3326), 5 states have internal predecessors, (3326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:14,927 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:14,928 INFO  L93              Difference]: Finished difference Result 13143 states and 19649 transitions.
[2024-12-02 13:04:14,928 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:04:14,929 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 665.2) internal successors, (3326), 5 states have internal predecessors, (3326), 0 states have call successors, (0), 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 3326
[2024-12-02 13:04:14,929 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:14,933 INFO  L225             Difference]: With dead ends: 13143
[2024-12-02 13:04:14,933 INFO  L226             Difference]: Without dead ends: 6799
[2024-12-02 13:04:14,936 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:04:14,936 INFO  L435           NwaCegarLoop]: 9563 mSDtfsCounter, 19000 mSDsluCounter, 9560 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19000 SdHoareTripleChecker+Valid, 19123 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:14,936 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19000 Valid, 19123 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:04:14,941 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6799 states.
[2024-12-02 13:04:14,979 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6799 to 6799.
[2024-12-02 13:04:14,984 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6799 states, 6798 states have (on average 1.4948514268902617) internal successors, (10162), 6798 states have internal predecessors, (10162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:14,990 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 10162 transitions.
[2024-12-02 13:04:14,990 INFO  L78                 Accepts]: Start accepts. Automaton has 6799 states and 10162 transitions. Word has length 3326
[2024-12-02 13:04:14,990 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:14,990 INFO  L471      AbstractCegarLoop]: Abstraction has 6799 states and 10162 transitions.
[2024-12-02 13:04:14,991 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 665.2) internal successors, (3326), 5 states have internal predecessors, (3326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:14,991 INFO  L276                IsEmpty]: Start isEmpty. Operand 6799 states and 10162 transitions.
[2024-12-02 13:04:15,033 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3328
[2024-12-02 13:04:15,033 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:04:15,034 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:04:15,034 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-12-02 13:04:15,035 INFO  L396      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:04:15,035 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:15,036 INFO  L85        PathProgramCache]: Analyzing trace with hash -1028593132, now seen corresponding path program 1 times
[2024-12-02 13:04:15,036 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:15,036 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372511837]
[2024-12-02 13:04:15,037 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:15,037 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:15,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:18,770 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:18,770 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:18,770 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372511837]
[2024-12-02 13:04:18,770 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372511837] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:18,770 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:18,771 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:04:18,771 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641980714]
[2024-12-02 13:04:18,771 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:18,773 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:04:18,773 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:18,774 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:04:18,774 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:04:18,775 INFO  L87              Difference]: Start difference. First operand 6799 states and 10162 transitions. Second operand  has 4 states, 4 states have (on average 831.75) internal successors, (3327), 4 states have internal predecessors, (3327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:19,432 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:19,432 INFO  L93              Difference]: Finished difference Result 13143 states and 19647 transitions.
[2024-12-02 13:04:19,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:04:19,433 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 831.75) internal successors, (3327), 4 states have internal predecessors, (3327), 0 states have call successors, (0), 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 3327
[2024-12-02 13:04:19,433 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:19,437 INFO  L225             Difference]: With dead ends: 13143
[2024-12-02 13:04:19,437 INFO  L226             Difference]: Without dead ends: 6799
[2024-12-02 13:04:19,440 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:04:19,440 INFO  L435           NwaCegarLoop]: 9491 mSDtfsCounter, 9622 mSDsluCounter, 9486 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9622 SdHoareTripleChecker+Valid, 18977 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:19,440 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9622 Valid, 18977 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 13:04:19,445 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6799 states.
[2024-12-02 13:04:19,484 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6799 to 6799.
[2024-12-02 13:04:19,489 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6799 states, 6798 states have (on average 1.4947043248014122) internal successors, (10161), 6798 states have internal predecessors, (10161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:19,495 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 10161 transitions.
[2024-12-02 13:04:19,495 INFO  L78                 Accepts]: Start accepts. Automaton has 6799 states and 10161 transitions. Word has length 3327
[2024-12-02 13:04:19,496 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:19,496 INFO  L471      AbstractCegarLoop]: Abstraction has 6799 states and 10161 transitions.
[2024-12-02 13:04:19,496 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 831.75) internal successors, (3327), 4 states have internal predecessors, (3327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:19,496 INFO  L276                IsEmpty]: Start isEmpty. Operand 6799 states and 10161 transitions.
[2024-12-02 13:04:19,542 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3328
[2024-12-02 13:04:19,542 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:04:19,542 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:04:19,542 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-12-02 13:04:19,542 INFO  L396      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:04:19,543 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:19,543 INFO  L85        PathProgramCache]: Analyzing trace with hash 3659493, now seen corresponding path program 1 times
[2024-12-02 13:04:19,543 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:19,543 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337892854]
[2024-12-02 13:04:19,544 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:19,544 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:21,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:25,614 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:25,614 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:25,614 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337892854]
[2024-12-02 13:04:25,614 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337892854] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:25,614 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:25,615 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:04:25,615 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856270867]
[2024-12-02 13:04:25,615 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:25,616 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:04:25,616 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:25,618 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:04:25,618 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:04:25,618 INFO  L87              Difference]: Start difference. First operand 6799 states and 10161 transitions. Second operand  has 5 states, 5 states have (on average 665.4) internal successors, (3327), 5 states have internal predecessors, (3327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:26,064 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:26,065 INFO  L93              Difference]: Finished difference Result 13143 states and 19645 transitions.
[2024-12-02 13:04:26,065 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:04:26,066 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 665.4) internal successors, (3327), 5 states have internal predecessors, (3327), 0 states have call successors, (0), 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 3327
[2024-12-02 13:04:26,066 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:26,070 INFO  L225             Difference]: With dead ends: 13143
[2024-12-02 13:04:26,070 INFO  L226             Difference]: Without dead ends: 6799
[2024-12-02 13:04:26,074 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:04:26,074 INFO  L435           NwaCegarLoop]: 9491 mSDtfsCounter, 19220 mSDsluCounter, 9485 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19220 SdHoareTripleChecker+Valid, 18976 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:26,074 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19220 Valid, 18976 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:04:26,080 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6799 states.
[2024-12-02 13:04:26,117 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6799 to 6799.
[2024-12-02 13:04:26,122 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6799 states, 6798 states have (on average 1.4945572227125625) internal successors, (10160), 6798 states have internal predecessors, (10160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:26,127 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 10160 transitions.
[2024-12-02 13:04:26,128 INFO  L78                 Accepts]: Start accepts. Automaton has 6799 states and 10160 transitions. Word has length 3327
[2024-12-02 13:04:26,128 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:26,128 INFO  L471      AbstractCegarLoop]: Abstraction has 6799 states and 10160 transitions.
[2024-12-02 13:04:26,128 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 665.4) internal successors, (3327), 5 states have internal predecessors, (3327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:26,128 INFO  L276                IsEmpty]: Start isEmpty. Operand 6799 states and 10160 transitions.
[2024-12-02 13:04:26,171 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3329
[2024-12-02 13:04:26,171 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:04:26,171 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:04:26,172 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-12-02 13:04:26,172 INFO  L396      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:04:26,172 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:26,173 INFO  L85        PathProgramCache]: Analyzing trace with hash 1384350142, now seen corresponding path program 1 times
[2024-12-02 13:04:26,173 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:26,173 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764609086]
[2024-12-02 13:04:26,173 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:26,173 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:31,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:36,214 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:36,214 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:36,214 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764609086]
[2024-12-02 13:04:36,214 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764609086] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:36,214 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:36,214 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:04:36,214 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432477287]
[2024-12-02 13:04:36,215 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:36,216 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:04:36,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:36,218 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:04:36,219 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:04:36,219 INFO  L87              Difference]: Start difference. First operand 6799 states and 10160 transitions. Second operand  has 5 states, 5 states have (on average 665.6) internal successors, (3328), 5 states have internal predecessors, (3328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:36,374 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:36,374 INFO  L93              Difference]: Finished difference Result 13144 states and 19645 transitions.
[2024-12-02 13:04:36,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:04:36,375 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 665.6) internal successors, (3328), 5 states have internal predecessors, (3328), 0 states have call successors, (0), 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 3328
[2024-12-02 13:04:36,375 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:36,379 INFO  L225             Difference]: With dead ends: 13144
[2024-12-02 13:04:36,379 INFO  L226             Difference]: Without dead ends: 6800
[2024-12-02 13:04:36,383 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:04:36,383 INFO  L435           NwaCegarLoop]: 9665 mSDtfsCounter, 9386 mSDsluCounter, 19325 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9386 SdHoareTripleChecker+Valid, 28990 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:36,383 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9386 Valid, 28990 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:04:36,388 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6800 states.
[2024-12-02 13:04:36,423 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6800 to 6800.
[2024-12-02 13:04:36,428 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6800 states, 6799 states have (on average 1.4944844830122077) internal successors, (10161), 6799 states have internal predecessors, (10161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:36,433 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6800 states to 6800 states and 10161 transitions.
[2024-12-02 13:04:36,434 INFO  L78                 Accepts]: Start accepts. Automaton has 6800 states and 10161 transitions. Word has length 3328
[2024-12-02 13:04:36,434 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:36,434 INFO  L471      AbstractCegarLoop]: Abstraction has 6800 states and 10161 transitions.
[2024-12-02 13:04:36,434 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 665.6) internal successors, (3328), 5 states have internal predecessors, (3328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:36,435 INFO  L276                IsEmpty]: Start isEmpty. Operand 6800 states and 10161 transitions.
[2024-12-02 13:04:36,477 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3329
[2024-12-02 13:04:36,477 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:04:36,477 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:04:36,477 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-12-02 13:04:36,477 INFO  L396      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:04:36,478 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:36,479 INFO  L85        PathProgramCache]: Analyzing trace with hash -1329187330, now seen corresponding path program 1 times
[2024-12-02 13:04:36,479 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:36,479 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682495086]
[2024-12-02 13:04:36,479 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:36,479 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:40,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:45,607 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:45,608 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:45,608 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682495086]
[2024-12-02 13:04:45,608 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682495086] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:45,608 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:45,608 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:04:45,608 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587601125]
[2024-12-02 13:04:45,608 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:45,610 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:04:45,610 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:45,612 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:04:45,613 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:04:45,613 INFO  L87              Difference]: Start difference. First operand 6800 states and 10161 transitions. Second operand  has 5 states, 5 states have (on average 665.6) internal successors, (3328), 5 states have internal predecessors, (3328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:45,903 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:45,903 INFO  L93              Difference]: Finished difference Result 13145 states and 19645 transitions.
[2024-12-02 13:04:45,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:04:45,904 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 665.6) internal successors, (3328), 5 states have internal predecessors, (3328), 0 states have call successors, (0), 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 3328
[2024-12-02 13:04:45,905 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:45,909 INFO  L225             Difference]: With dead ends: 13145
[2024-12-02 13:04:45,909 INFO  L226             Difference]: Without dead ends: 6800
[2024-12-02 13:04:45,913 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:04:45,913 INFO  L435           NwaCegarLoop]: 9560 mSDtfsCounter, 9605 mSDsluCounter, 9558 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9605 SdHoareTripleChecker+Valid, 19118 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:45,914 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9605 Valid, 19118 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:04:45,919 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6800 states.
[2024-12-02 13:04:45,961 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6800 to 6800.
[2024-12-02 13:04:45,966 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6800 states, 6799 states have (on average 1.4943374025591998) internal successors, (10160), 6799 states have internal predecessors, (10160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:45,972 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6800 states to 6800 states and 10160 transitions.
[2024-12-02 13:04:45,972 INFO  L78                 Accepts]: Start accepts. Automaton has 6800 states and 10160 transitions. Word has length 3328
[2024-12-02 13:04:45,973 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:45,973 INFO  L471      AbstractCegarLoop]: Abstraction has 6800 states and 10160 transitions.
[2024-12-02 13:04:45,973 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 665.6) internal successors, (3328), 5 states have internal predecessors, (3328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:45,973 INFO  L276                IsEmpty]: Start isEmpty. Operand 6800 states and 10160 transitions.
[2024-12-02 13:04:46,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3330
[2024-12-02 13:04:46,019 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:04:46,019 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:04:46,019 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-12-02 13:04:46,019 INFO  L396      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:04:46,020 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:46,020 INFO  L85        PathProgramCache]: Analyzing trace with hash -1349836013, now seen corresponding path program 1 times
[2024-12-02 13:04:46,020 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:46,020 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953237153]
[2024-12-02 13:04:46,021 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:46,021 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:46,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:49,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:49,828 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:49,828 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953237153]
[2024-12-02 13:04:49,828 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953237153] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:49,828 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:49,829 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:04:49,829 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890497205]
[2024-12-02 13:04:49,829 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:49,830 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:04:49,830 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:49,832 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:04:49,832 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:04:49,832 INFO  L87              Difference]: Start difference. First operand 6800 states and 10160 transitions. Second operand  has 4 states, 4 states have (on average 832.25) internal successors, (3329), 4 states have internal predecessors, (3329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:50,299 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:50,299 INFO  L93              Difference]: Finished difference Result 13145 states and 19643 transitions.
[2024-12-02 13:04:50,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:04:50,300 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 832.25) internal successors, (3329), 4 states have internal predecessors, (3329), 0 states have call successors, (0), 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 3329
[2024-12-02 13:04:50,300 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:50,305 INFO  L225             Difference]: With dead ends: 13145
[2024-12-02 13:04:50,305 INFO  L226             Difference]: Without dead ends: 6800
[2024-12-02 13:04:50,308 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:04:50,309 INFO  L435           NwaCegarLoop]: 9490 mSDtfsCounter, 9605 mSDsluCounter, 9485 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9605 SdHoareTripleChecker+Valid, 18975 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:50,309 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9605 Valid, 18975 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:04:50,315 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6800 states.
[2024-12-02 13:04:50,358 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6800 to 6800.
[2024-12-02 13:04:50,363 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6800 states, 6799 states have (on average 1.494190322106192) internal successors, (10159), 6799 states have internal predecessors, (10159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:50,370 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6800 states to 6800 states and 10159 transitions.
[2024-12-02 13:04:50,370 INFO  L78                 Accepts]: Start accepts. Automaton has 6800 states and 10159 transitions. Word has length 3329
[2024-12-02 13:04:50,371 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:50,371 INFO  L471      AbstractCegarLoop]: Abstraction has 6800 states and 10159 transitions.
[2024-12-02 13:04:50,371 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 832.25) internal successors, (3329), 4 states have internal predecessors, (3329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:50,371 INFO  L276                IsEmpty]: Start isEmpty. Operand 6800 states and 10159 transitions.
[2024-12-02 13:04:50,426 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3330
[2024-12-02 13:04:50,426 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:04:50,426 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:04:50,426 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-12-02 13:04:50,427 INFO  L396      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:04:50,427 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:50,427 INFO  L85        PathProgramCache]: Analyzing trace with hash -1963327132, now seen corresponding path program 1 times
[2024-12-02 13:04:50,427 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:50,428 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848782695]
[2024-12-02 13:04:50,428 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:50,428 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:52,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:57,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:57,137 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:57,137 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848782695]
[2024-12-02 13:04:57,137 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848782695] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:57,137 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:57,138 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:04:57,138 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894343823]
[2024-12-02 13:04:57,138 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:57,139 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:04:57,139 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:57,140 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:04:57,140 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:04:57,141 INFO  L87              Difference]: Start difference. First operand 6800 states and 10159 transitions. Second operand  has 5 states, 5 states have (on average 665.8) internal successors, (3329), 5 states have internal predecessors, (3329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:57,620 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:57,620 INFO  L93              Difference]: Finished difference Result 13145 states and 19641 transitions.
[2024-12-02 13:04:57,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:04:57,621 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 665.8) internal successors, (3329), 5 states have internal predecessors, (3329), 0 states have call successors, (0), 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 3329
[2024-12-02 13:04:57,621 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:57,625 INFO  L225             Difference]: With dead ends: 13145
[2024-12-02 13:04:57,625 INFO  L226             Difference]: Without dead ends: 6800
[2024-12-02 13:04:57,628 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:04:57,628 INFO  L435           NwaCegarLoop]: 9490 mSDtfsCounter, 19192 mSDsluCounter, 9484 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19192 SdHoareTripleChecker+Valid, 18974 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:57,629 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19192 Valid, 18974 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:04:57,634 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6800 states.
[2024-12-02 13:04:57,672 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6800 to 6800.
[2024-12-02 13:04:57,677 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6800 states, 6799 states have (on average 1.4940432416531844) internal successors, (10158), 6799 states have internal predecessors, (10158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:57,684 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6800 states to 6800 states and 10158 transitions.
[2024-12-02 13:04:57,684 INFO  L78                 Accepts]: Start accepts. Automaton has 6800 states and 10158 transitions. Word has length 3329
[2024-12-02 13:04:57,684 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:57,684 INFO  L471      AbstractCegarLoop]: Abstraction has 6800 states and 10158 transitions.
[2024-12-02 13:04:57,685 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 665.8) internal successors, (3329), 5 states have internal predecessors, (3329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:57,685 INFO  L276                IsEmpty]: Start isEmpty. Operand 6800 states and 10158 transitions.
[2024-12-02 13:04:57,730 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3331
[2024-12-02 13:04:57,730 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:04:57,730 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:04:57,731 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-12-02 13:04:57,731 INFO  L396      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:04:57,731 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:57,731 INFO  L85        PathProgramCache]: Analyzing trace with hash 482705702, now seen corresponding path program 1 times
[2024-12-02 13:04:57,731 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:57,731 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25424968]
[2024-12-02 13:04:57,732 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:57,732 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:05:02,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:05:06,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:05:06,942 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:05:06,942 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25424968]
[2024-12-02 13:05:06,942 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25424968] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:05:06,942 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:05:06,943 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:05:06,943 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699677291]
[2024-12-02 13:05:06,943 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:05:06,944 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:05:06,944 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:05:06,946 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:05:06,946 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:05:06,946 INFO  L87              Difference]: Start difference. First operand 6800 states and 10158 transitions. Second operand  has 5 states, 5 states have (on average 666.0) internal successors, (3330), 5 states have internal predecessors, (3330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:05:07,100 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:05:07,100 INFO  L93              Difference]: Finished difference Result 13146 states and 19641 transitions.
[2024-12-02 13:05:07,101 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:05:07,101 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 666.0) internal successors, (3330), 5 states have internal predecessors, (3330), 0 states have call successors, (0), 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 3330
[2024-12-02 13:05:07,102 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:05:07,106 INFO  L225             Difference]: With dead ends: 13146
[2024-12-02 13:05:07,106 INFO  L226             Difference]: Without dead ends: 6801
[2024-12-02 13:05:07,109 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:05:07,110 INFO  L435           NwaCegarLoop]: 9661 mSDtfsCounter, 9369 mSDsluCounter, 19317 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9369 SdHoareTripleChecker+Valid, 28978 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:05:07,110 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9369 Valid, 28978 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:05:07,115 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6801 states.
[2024-12-02 13:05:07,154 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6801 to 6801.
[2024-12-02 13:05:07,160 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6801 states, 6800 states have (on average 1.493970588235294) internal successors, (10159), 6800 states have internal predecessors, (10159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:05:07,166 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6801 states to 6801 states and 10159 transitions.
[2024-12-02 13:05:07,166 INFO  L78                 Accepts]: Start accepts. Automaton has 6801 states and 10159 transitions. Word has length 3330
[2024-12-02 13:05:07,166 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:05:07,167 INFO  L471      AbstractCegarLoop]: Abstraction has 6801 states and 10159 transitions.
[2024-12-02 13:05:07,167 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 666.0) internal successors, (3330), 5 states have internal predecessors, (3330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:05:07,167 INFO  L276                IsEmpty]: Start isEmpty. Operand 6801 states and 10159 transitions.
[2024-12-02 13:05:07,214 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3331
[2024-12-02 13:05:07,214 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:05:07,214 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:05:07,215 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-12-02 13:05:07,215 INFO  L396      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:05:07,215 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:05:07,215 INFO  L85        PathProgramCache]: Analyzing trace with hash -465267354, now seen corresponding path program 1 times
[2024-12-02 13:05:07,216 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:05:07,216 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70674478]
[2024-12-02 13:05:07,216 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:05:07,216 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:05:11,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:05:27,857 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:05:27,857 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:05:27,857 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70674478]
[2024-12-02 13:05:27,857 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70674478] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:05:27,857 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:05:27,858 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-12-02 13:05:27,858 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791528626]
[2024-12-02 13:05:27,858 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:05:27,860 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 13:05:27,860 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:05:27,862 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 13:05:27,862 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2024-12-02 13:05:27,863 INFO  L87              Difference]: Start difference. First operand 6801 states and 10159 transitions. Second operand  has 10 states, 10 states have (on average 333.0) internal successors, (3330), 10 states have internal predecessors, (3330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:05:29,630 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:05:32,962 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:05:35,645 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:05:36,862 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:05:36,863 INFO  L93              Difference]: Finished difference Result 13160 states and 19661 transitions.
[2024-12-02 13:05:36,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 13:05:36,864 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 333.0) internal successors, (3330), 10 states have internal predecessors, (3330), 0 states have call successors, (0), 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 3330
[2024-12-02 13:05:36,865 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:05:36,870 INFO  L225             Difference]: With dead ends: 13160
[2024-12-02 13:05:36,870 INFO  L226             Difference]: Without dead ends: 6814
[2024-12-02 13:05:36,874 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2024-12-02 13:05:36,875 INFO  L435           NwaCegarLoop]: 9553 mSDtfsCounter, 8080 mSDsluCounter, 57263 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8080 SdHoareTripleChecker+Valid, 66816 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time
[2024-12-02 13:05:36,875 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8080 Valid, 66816 Invalid, 935 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time]
[2024-12-02 13:05:36,881 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6814 states.
[2024-12-02 13:05:36,924 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6814 to 6809.
[2024-12-02 13:05:36,929 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6809 states, 6808 states have (on average 1.4938307873090482) internal successors, (10170), 6808 states have internal predecessors, (10170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:05:36,935 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6809 states to 6809 states and 10170 transitions.
[2024-12-02 13:05:36,935 INFO  L78                 Accepts]: Start accepts. Automaton has 6809 states and 10170 transitions. Word has length 3330
[2024-12-02 13:05:36,936 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:05:36,936 INFO  L471      AbstractCegarLoop]: Abstraction has 6809 states and 10170 transitions.
[2024-12-02 13:05:36,936 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 333.0) internal successors, (3330), 10 states have internal predecessors, (3330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:05:36,936 INFO  L276                IsEmpty]: Start isEmpty. Operand 6809 states and 10170 transitions.
[2024-12-02 13:05:37,025 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3332
[2024-12-02 13:05:37,025 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:05:37,026 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:05:37,026 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-12-02 13:05:37,026 INFO  L396      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:05:37,027 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:05:37,027 INFO  L85        PathProgramCache]: Analyzing trace with hash -2059311146, now seen corresponding path program 1 times
[2024-12-02 13:05:37,027 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:05:37,027 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028475456]
[2024-12-02 13:05:37,027 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:05:37,027 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:05:40,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:05:53,108 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:05:53,109 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:05:53,109 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028475456]
[2024-12-02 13:05:53,109 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028475456] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:05:53,109 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:05:53,109 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 13:05:53,109 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892599056]
[2024-12-02 13:05:53,110 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:05:53,111 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 13:05:53,112 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:05:53,114 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 13:05:53,114 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:05:53,115 INFO  L87              Difference]: Start difference. First operand 6809 states and 10170 transitions. Second operand  has 7 states, 7 states have (on average 475.85714285714283) internal successors, (3331), 7 states have internal predecessors, (3331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:05:54,986 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:05:56,453 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:05:59,766 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:06:03,787 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:06:04,029 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:06:04,029 INFO  L93              Difference]: Finished difference Result 13167 states and 19669 transitions.
[2024-12-02 13:06:04,030 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-12-02 13:06:04,030 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 475.85714285714283) internal successors, (3331), 7 states have internal predecessors, (3331), 0 states have call successors, (0), 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 3331
[2024-12-02 13:06:04,031 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:06:04,035 INFO  L225             Difference]: With dead ends: 13167
[2024-12-02 13:06:04,035 INFO  L226             Difference]: Without dead ends: 6813
[2024-12-02 13:06:04,039 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2024-12-02 13:06:04,039 INFO  L435           NwaCegarLoop]: 9659 mSDtfsCounter, 7833 mSDsluCounter, 38604 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7833 SdHoareTripleChecker+Valid, 48263 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:06:04,039 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7833 Valid, 48263 Invalid, 126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time]
[2024-12-02 13:06:04,045 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6813 states.
[2024-12-02 13:06:04,085 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6813 to 6810.
[2024-12-02 13:06:04,090 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6810 states, 6809 states have (on average 1.4937582611249816) internal successors, (10171), 6809 states have internal predecessors, (10171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:04,096 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6810 states to 6810 states and 10171 transitions.
[2024-12-02 13:06:04,096 INFO  L78                 Accepts]: Start accepts. Automaton has 6810 states and 10171 transitions. Word has length 3331
[2024-12-02 13:06:04,097 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:06:04,097 INFO  L471      AbstractCegarLoop]: Abstraction has 6810 states and 10171 transitions.
[2024-12-02 13:06:04,097 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 475.85714285714283) internal successors, (3331), 7 states have internal predecessors, (3331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:04,098 INFO  L276                IsEmpty]: Start isEmpty. Operand 6810 states and 10171 transitions.
[2024-12-02 13:06:04,141 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3332
[2024-12-02 13:06:04,141 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:06:04,141 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 13:06:04,141 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-12-02 13:06:04,141 INFO  L396      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:06:04,142 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:06:04,142 INFO  L85        PathProgramCache]: Analyzing trace with hash -1422115818, now seen corresponding path program 1 times
[2024-12-02 13:06:04,142 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:06:04,142 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822769925]
[2024-12-02 13:06:04,142 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:06:04,142 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:06:08,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:06:14,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:06:14,660 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:06:14,660 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822769925]
[2024-12-02 13:06:14,660 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822769925] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:06:14,661 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:06:14,661 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:06:14,661 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627250485]
[2024-12-02 13:06:14,661 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:06:14,662 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:06:14,663 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:06:14,664 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:06:14,664 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:06:14,664 INFO  L87              Difference]: Start difference. First operand 6810 states and 10171 transitions. Second operand  has 5 states, 5 states have (on average 666.2) internal successors, (3331), 5 states have internal predecessors, (3331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:14,950 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:06:14,950 INFO  L93              Difference]: Finished difference Result 13165 states and 19665 transitions.
[2024-12-02 13:06:14,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:06:14,951 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 666.2) internal successors, (3331), 5 states have internal predecessors, (3331), 0 states have call successors, (0), 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 3331
[2024-12-02 13:06:14,952 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:06:14,956 INFO  L225             Difference]: With dead ends: 13165
[2024-12-02 13:06:14,956 INFO  L226             Difference]: Without dead ends: 6810
[2024-12-02 13:06:14,960 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:06:14,960 INFO  L435           NwaCegarLoop]: 9559 mSDtfsCounter, 7938 mSDsluCounter, 9557 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7938 SdHoareTripleChecker+Valid, 19116 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:06:14,961 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7938 Valid, 19116 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:06:14,966 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6810 states.
[2024-12-02 13:06:15,005 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6810 to 6810.
[2024-12-02 13:06:15,010 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6810 states, 6809 states have (on average 1.4936113966808635) internal successors, (10170), 6809 states have internal predecessors, (10170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:15,016 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6810 states to 6810 states and 10170 transitions.
[2024-12-02 13:06:15,016 INFO  L78                 Accepts]: Start accepts. Automaton has 6810 states and 10170 transitions. Word has length 3331
[2024-12-02 13:06:15,017 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:06:15,017 INFO  L471      AbstractCegarLoop]: Abstraction has 6810 states and 10170 transitions.
[2024-12-02 13:06:15,018 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 666.2) internal successors, (3331), 5 states have internal predecessors, (3331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:15,018 INFO  L276                IsEmpty]: Start isEmpty. Operand 6810 states and 10170 transitions.
[2024-12-02 13:06:15,060 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3333
[2024-12-02 13:06:15,061 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:06:15,061 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:06:15,061 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-12-02 13:06:15,061 INFO  L396      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:06:15,062 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:06:15,062 INFO  L85        PathProgramCache]: Analyzing trace with hash 2080341308, now seen corresponding path program 1 times
[2024-12-02 13:06:15,062 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:06:15,062 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871209191]
[2024-12-02 13:06:15,062 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:06:15,063 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:06:15,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:06:20,422 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:06:20,422 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:06:20,422 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871209191]
[2024-12-02 13:06:20,422 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871209191] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:06:20,422 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:06:20,422 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:06:20,423 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54330698]
[2024-12-02 13:06:20,423 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:06:20,424 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:06:20,424 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:06:20,426 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:06:20,426 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:06:20,426 INFO  L87              Difference]: Start difference. First operand 6810 states and 10170 transitions. Second operand  has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:20,876 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:06:20,877 INFO  L93              Difference]: Finished difference Result 13165 states and 19663 transitions.
[2024-12-02 13:06:20,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:06:20,877 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 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 3332
[2024-12-02 13:06:20,879 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:06:20,883 INFO  L225             Difference]: With dead ends: 13165
[2024-12-02 13:06:20,883 INFO  L226             Difference]: Without dead ends: 6810
[2024-12-02 13:06:20,887 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:06:20,888 INFO  L435           NwaCegarLoop]: 9489 mSDtfsCounter, 7944 mSDsluCounter, 9483 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7944 SdHoareTripleChecker+Valid, 18972 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:06:20,888 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7944 Valid, 18972 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:06:20,894 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6810 states.
[2024-12-02 13:06:20,941 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6810 to 6810.
[2024-12-02 13:06:20,946 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6810 states, 6809 states have (on average 1.4934645322367455) internal successors, (10169), 6809 states have internal predecessors, (10169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:20,957 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6810 states to 6810 states and 10169 transitions.
[2024-12-02 13:06:20,957 INFO  L78                 Accepts]: Start accepts. Automaton has 6810 states and 10169 transitions. Word has length 3332
[2024-12-02 13:06:20,958 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:06:20,958 INFO  L471      AbstractCegarLoop]: Abstraction has 6810 states and 10169 transitions.
[2024-12-02 13:06:20,959 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:20,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 6810 states and 10169 transitions.
[2024-12-02 13:06:21,073 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3333
[2024-12-02 13:06:21,073 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:06:21,073 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:06:21,073 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2024-12-02 13:06:21,074 INFO  L396      AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:06:21,074 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:06:21,074 INFO  L85        PathProgramCache]: Analyzing trace with hash 1068491083, now seen corresponding path program 1 times
[2024-12-02 13:06:21,074 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:06:21,074 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762946061]
[2024-12-02 13:06:21,075 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:06:21,075 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:06:22,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:06:28,675 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:06:28,676 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:06:28,676 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762946061]
[2024-12-02 13:06:28,676 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762946061] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:06:28,676 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:06:28,677 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:06:28,677 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339418466]
[2024-12-02 13:06:28,677 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:06:28,678 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:06:28,679 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:06:28,680 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:06:28,680 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:06:28,681 INFO  L87              Difference]: Start difference. First operand 6810 states and 10169 transitions. Second operand  has 5 states, 5 states have (on average 666.4) internal successors, (3332), 5 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:29,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:06:29,153 INFO  L93              Difference]: Finished difference Result 13165 states and 19661 transitions.
[2024-12-02 13:06:29,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:06:29,154 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 666.4) internal successors, (3332), 5 states have internal predecessors, (3332), 0 states have call successors, (0), 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 3332
[2024-12-02 13:06:29,155 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:06:29,159 INFO  L225             Difference]: With dead ends: 13165
[2024-12-02 13:06:29,159 INFO  L226             Difference]: Without dead ends: 6810
[2024-12-02 13:06:29,162 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:06:29,162 INFO  L435           NwaCegarLoop]: 9489 mSDtfsCounter, 15846 mSDsluCounter, 9484 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15846 SdHoareTripleChecker+Valid, 18973 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:06:29,162 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15846 Valid, 18973 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:06:29,167 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6810 states.
[2024-12-02 13:06:29,203 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6810 to 6810.
[2024-12-02 13:06:29,207 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6810 states, 6809 states have (on average 1.4933176677926274) internal successors, (10168), 6809 states have internal predecessors, (10168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:29,213 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6810 states to 6810 states and 10168 transitions.
[2024-12-02 13:06:29,213 INFO  L78                 Accepts]: Start accepts. Automaton has 6810 states and 10168 transitions. Word has length 3332
[2024-12-02 13:06:29,214 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:06:29,214 INFO  L471      AbstractCegarLoop]: Abstraction has 6810 states and 10168 transitions.
[2024-12-02 13:06:29,215 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 666.4) internal successors, (3332), 5 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:29,215 INFO  L276                IsEmpty]: Start isEmpty. Operand 6810 states and 10168 transitions.
[2024-12-02 13:06:29,333 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3334
[2024-12-02 13:06:29,334 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:06:29,334 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:06:29,334 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2024-12-02 13:06:29,334 INFO  L396      AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:06:29,335 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:06:29,335 INFO  L85        PathProgramCache]: Analyzing trace with hash 1037634382, now seen corresponding path program 1 times
[2024-12-02 13:06:29,335 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:06:29,335 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988110684]
[2024-12-02 13:06:29,336 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:06:29,336 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:06:33,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:06:39,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:06:39,751 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:06:39,751 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988110684]
[2024-12-02 13:06:39,751 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988110684] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:06:39,752 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:06:39,752 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:06:39,752 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135494281]
[2024-12-02 13:06:39,752 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:06:39,754 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:06:39,754 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:06:39,756 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:06:39,756 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:06:39,757 INFO  L87              Difference]: Start difference. First operand 6810 states and 10168 transitions. Second operand  has 5 states, 5 states have (on average 666.6) internal successors, (3333), 5 states have internal predecessors, (3333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:39,959 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:06:39,959 INFO  L93              Difference]: Finished difference Result 13166 states and 19661 transitions.
[2024-12-02 13:06:39,960 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:06:39,960 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 666.6) internal successors, (3333), 5 states have internal predecessors, (3333), 0 states have call successors, (0), 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 3333
[2024-12-02 13:06:39,961 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:06:39,965 INFO  L225             Difference]: With dead ends: 13166
[2024-12-02 13:06:39,965 INFO  L226             Difference]: Without dead ends: 6811
[2024-12-02 13:06:39,968 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:06:39,969 INFO  L435           NwaCegarLoop]: 9659 mSDtfsCounter, 7702 mSDsluCounter, 19313 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7702 SdHoareTripleChecker+Valid, 28972 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:06:39,969 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7702 Valid, 28972 Invalid, 43 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:06:39,974 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6811 states.
[2024-12-02 13:06:40,011 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6811 to 6811.
[2024-12-02 13:06:40,017 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6811 states, 6810 states have (on average 1.4932452276064612) internal successors, (10169), 6810 states have internal predecessors, (10169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:40,023 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6811 states to 6811 states and 10169 transitions.
[2024-12-02 13:06:40,023 INFO  L78                 Accepts]: Start accepts. Automaton has 6811 states and 10169 transitions. Word has length 3333
[2024-12-02 13:06:40,024 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:06:40,024 INFO  L471      AbstractCegarLoop]: Abstraction has 6811 states and 10169 transitions.
[2024-12-02 13:06:40,025 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 666.6) internal successors, (3333), 5 states have internal predecessors, (3333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:40,025 INFO  L276                IsEmpty]: Start isEmpty. Operand 6811 states and 10169 transitions.
[2024-12-02 13:06:40,068 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3334
[2024-12-02 13:06:40,069 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:06:40,069 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:06:40,069 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2024-12-02 13:06:40,069 INFO  L396      AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:06:40,070 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:06:40,070 INFO  L85        PathProgramCache]: Analyzing trace with hash 1996132110, now seen corresponding path program 1 times
[2024-12-02 13:06:40,070 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:06:40,070 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794623509]
[2024-12-02 13:06:40,070 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:06:40,070 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:06:44,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:06:50,348 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:06:50,349 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:06:50,349 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794623509]
[2024-12-02 13:06:50,349 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794623509] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:06:50,349 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:06:50,349 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:06:50,349 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874787901]
[2024-12-02 13:06:50,349 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:06:50,351 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:06:50,351 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:06:50,353 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:06:50,353 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:06:50,354 INFO  L87              Difference]: Start difference. First operand 6811 states and 10169 transitions. Second operand  has 5 states, 5 states have (on average 666.6) internal successors, (3333), 5 states have internal predecessors, (3333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:50,724 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:06:50,725 INFO  L93              Difference]: Finished difference Result 13167 states and 19661 transitions.
[2024-12-02 13:06:50,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:06:50,725 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 666.6) internal successors, (3333), 5 states have internal predecessors, (3333), 0 states have call successors, (0), 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 3333
[2024-12-02 13:06:50,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:06:50,730 INFO  L225             Difference]: With dead ends: 13167
[2024-12-02 13:06:50,730 INFO  L226             Difference]: Without dead ends: 6811
[2024-12-02 13:06:50,732 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:06:50,733 INFO  L435           NwaCegarLoop]: 9556 mSDtfsCounter, 15066 mSDsluCounter, 9553 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15066 SdHoareTripleChecker+Valid, 19109 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:06:50,733 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15066 Valid, 19109 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:06:50,737 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6811 states.
[2024-12-02 13:06:50,775 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6811 to 6811.
[2024-12-02 13:06:50,781 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6811 states, 6810 states have (on average 1.4930983847283408) internal successors, (10168), 6810 states have internal predecessors, (10168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:50,787 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6811 states to 6811 states and 10168 transitions.
[2024-12-02 13:06:50,787 INFO  L78                 Accepts]: Start accepts. Automaton has 6811 states and 10168 transitions. Word has length 3333
[2024-12-02 13:06:50,788 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:06:50,788 INFO  L471      AbstractCegarLoop]: Abstraction has 6811 states and 10168 transitions.
[2024-12-02 13:06:50,789 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 666.6) internal successors, (3333), 5 states have internal predecessors, (3333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:50,789 INFO  L276                IsEmpty]: Start isEmpty. Operand 6811 states and 10168 transitions.
[2024-12-02 13:06:50,832 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3335
[2024-12-02 13:06:50,832 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:06:50,832 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:06:50,833 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2024-12-02 13:06:50,833 INFO  L396      AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:06:50,833 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:06:50,833 INFO  L85        PathProgramCache]: Analyzing trace with hash 769072058, now seen corresponding path program 1 times
[2024-12-02 13:06:50,833 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:06:50,833 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339620904]
[2024-12-02 13:06:50,834 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:06:50,834 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:06:51,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:06:56,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:06:56,960 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:06:56,960 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339620904]
[2024-12-02 13:06:56,960 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339620904] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:06:56,960 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:06:56,960 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:06:56,960 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976696219]
[2024-12-02 13:06:56,960 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:06:56,962 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:06:56,963 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:06:56,965 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:06:56,965 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:06:56,965 INFO  L87              Difference]: Start difference. First operand 6811 states and 10168 transitions. Second operand  has 4 states, 4 states have (on average 833.5) internal successors, (3334), 4 states have internal predecessors, (3334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:57,428 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:06:57,428 INFO  L93              Difference]: Finished difference Result 13167 states and 19659 transitions.
[2024-12-02 13:06:57,429 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:06:57,430 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 833.5) internal successors, (3334), 4 states have internal predecessors, (3334), 0 states have call successors, (0), 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 3334
[2024-12-02 13:06:57,432 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:06:57,436 INFO  L225             Difference]: With dead ends: 13167
[2024-12-02 13:06:57,436 INFO  L226             Difference]: Without dead ends: 6811
[2024-12-02 13:06:57,440 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:06:57,440 INFO  L435           NwaCegarLoop]: 9488 mSDtfsCounter, 7661 mSDsluCounter, 9482 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7661 SdHoareTripleChecker+Valid, 18970 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:06:57,440 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7661 Valid, 18970 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:06:57,448 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6811 states.
[2024-12-02 13:06:57,491 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6811 to 6811.
[2024-12-02 13:06:57,496 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6811 states, 6810 states have (on average 1.4929515418502202) internal successors, (10167), 6810 states have internal predecessors, (10167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:57,501 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6811 states to 6811 states and 10167 transitions.
[2024-12-02 13:06:57,502 INFO  L78                 Accepts]: Start accepts. Automaton has 6811 states and 10167 transitions. Word has length 3334
[2024-12-02 13:06:57,503 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:06:57,503 INFO  L471      AbstractCegarLoop]: Abstraction has 6811 states and 10167 transitions.
[2024-12-02 13:06:57,503 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 833.5) internal successors, (3334), 4 states have internal predecessors, (3334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:57,503 INFO  L276                IsEmpty]: Start isEmpty. Operand 6811 states and 10167 transitions.
[2024-12-02 13:06:57,627 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3335
[2024-12-02 13:06:57,627 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:06:57,628 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:06:57,628 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2024-12-02 13:06:57,628 INFO  L396      AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:06:57,629 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:06:57,629 INFO  L85        PathProgramCache]: Analyzing trace with hash 1662637321, now seen corresponding path program 1 times
[2024-12-02 13:06:57,629 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:06:57,629 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902265667]
[2024-12-02 13:06:57,630 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:06:57,630 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:06:59,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:07:05,464 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:07:05,465 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:07:05,465 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902265667]
[2024-12-02 13:07:05,465 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902265667] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:07:05,465 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:07:05,465 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:07:05,465 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114214411]
[2024-12-02 13:07:05,465 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:07:05,467 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:07:05,467 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:07:05,470 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:07:05,470 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:07:05,471 INFO  L87              Difference]: Start difference. First operand 6811 states and 10167 transitions. Second operand  has 5 states, 5 states have (on average 666.8) internal successors, (3334), 5 states have internal predecessors, (3334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:06,070 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:07:06,070 INFO  L93              Difference]: Finished difference Result 13167 states and 19657 transitions.
[2024-12-02 13:07:06,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:07:06,071 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 666.8) internal successors, (3334), 5 states have internal predecessors, (3334), 0 states have call successors, (0), 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 3334
[2024-12-02 13:07:06,074 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:07:06,079 INFO  L225             Difference]: With dead ends: 13167
[2024-12-02 13:07:06,079 INFO  L226             Difference]: Without dead ends: 6811
[2024-12-02 13:07:06,083 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:07:06,084 INFO  L435           NwaCegarLoop]: 9488 mSDtfsCounter, 15286 mSDsluCounter, 9482 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15286 SdHoareTripleChecker+Valid, 18970 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:07:06,084 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15286 Valid, 18970 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:07:06,092 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6811 states.
[2024-12-02 13:07:06,152 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6811 to 6811.
[2024-12-02 13:07:06,157 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6811 states, 6810 states have (on average 1.4928046989720998) internal successors, (10166), 6810 states have internal predecessors, (10166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:06,167 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6811 states to 6811 states and 10166 transitions.
[2024-12-02 13:07:06,167 INFO  L78                 Accepts]: Start accepts. Automaton has 6811 states and 10166 transitions. Word has length 3334
[2024-12-02 13:07:06,169 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:07:06,169 INFO  L471      AbstractCegarLoop]: Abstraction has 6811 states and 10166 transitions.
[2024-12-02 13:07:06,169 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 666.8) internal successors, (3334), 5 states have internal predecessors, (3334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:06,169 INFO  L276                IsEmpty]: Start isEmpty. Operand 6811 states and 10166 transitions.
[2024-12-02 13:07:06,284 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3336
[2024-12-02 13:07:06,284 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:07:06,285 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:07:06,285 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51
[2024-12-02 13:07:06,285 INFO  L396      AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:07:06,286 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:07:06,286 INFO  L85        PathProgramCache]: Analyzing trace with hash -1806239482, now seen corresponding path program 1 times
[2024-12-02 13:07:06,286 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:07:06,286 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848206658]
[2024-12-02 13:07:06,287 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:07:06,287 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:07:10,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:07:16,292 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:07:16,292 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:07:16,292 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848206658]
[2024-12-02 13:07:16,292 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848206658] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:07:16,292 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:07:16,293 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:07:16,293 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69412057]
[2024-12-02 13:07:16,293 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:07:16,294 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:07:16,294 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:07:16,296 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:07:16,296 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:07:16,296 INFO  L87              Difference]: Start difference. First operand 6811 states and 10166 transitions. Second operand  has 5 states, 5 states have (on average 667.0) internal successors, (3335), 5 states have internal predecessors, (3335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:16,438 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:07:16,438 INFO  L93              Difference]: Finished difference Result 13168 states and 19657 transitions.
[2024-12-02 13:07:16,439 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:07:16,439 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 667.0) internal successors, (3335), 5 states have internal predecessors, (3335), 0 states have call successors, (0), 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 3335
[2024-12-02 13:07:16,441 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:07:16,445 INFO  L225             Difference]: With dead ends: 13168
[2024-12-02 13:07:16,445 INFO  L226             Difference]: Without dead ends: 6812
[2024-12-02 13:07:16,449 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:07:16,449 INFO  L435           NwaCegarLoop]: 9655 mSDtfsCounter, 7419 mSDsluCounter, 19305 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7419 SdHoareTripleChecker+Valid, 28960 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:07:16,449 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7419 Valid, 28960 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:07:16,455 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6812 states.
[2024-12-02 13:07:16,510 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6812 to 6812.
[2024-12-02 13:07:16,515 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6812 states, 6811 states have (on average 1.4927323447364558) internal successors, (10167), 6811 states have internal predecessors, (10167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:16,521 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10167 transitions.
[2024-12-02 13:07:16,521 INFO  L78                 Accepts]: Start accepts. Automaton has 6812 states and 10167 transitions. Word has length 3335
[2024-12-02 13:07:16,522 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:07:16,522 INFO  L471      AbstractCegarLoop]: Abstraction has 6812 states and 10167 transitions.
[2024-12-02 13:07:16,522 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 667.0) internal successors, (3335), 5 states have internal predecessors, (3335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:16,522 INFO  L276                IsEmpty]: Start isEmpty. Operand 6812 states and 10167 transitions.
[2024-12-02 13:07:16,565 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3336
[2024-12-02 13:07:16,565 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:07:16,565 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:07:16,565 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52
[2024-12-02 13:07:16,565 INFO  L396      AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:07:16,566 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:07:16,566 INFO  L85        PathProgramCache]: Analyzing trace with hash -1284649786, now seen corresponding path program 1 times
[2024-12-02 13:07:16,566 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:07:16,566 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594429442]
[2024-12-02 13:07:16,566 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:07:16,566 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:07:20,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:07:26,932 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:07:26,932 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:07:26,932 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594429442]
[2024-12-02 13:07:26,932 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594429442] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:07:26,932 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:07:26,933 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:07:26,933 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757167299]
[2024-12-02 13:07:26,933 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:07:26,934 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:07:26,934 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:07:26,935 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:07:26,935 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:07:26,935 INFO  L87              Difference]: Start difference. First operand 6812 states and 10167 transitions. Second operand  has 5 states, 5 states have (on average 667.0) internal successors, (3335), 5 states have internal predecessors, (3335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:27,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:07:27,192 INFO  L93              Difference]: Finished difference Result 13169 states and 19657 transitions.
[2024-12-02 13:07:27,192 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:07:27,193 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 667.0) internal successors, (3335), 5 states have internal predecessors, (3335), 0 states have call successors, (0), 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 3335
[2024-12-02 13:07:27,194 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:07:27,198 INFO  L225             Difference]: With dead ends: 13169
[2024-12-02 13:07:27,198 INFO  L226             Difference]: Without dead ends: 6812
[2024-12-02 13:07:27,201 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:07:27,201 INFO  L435           NwaCegarLoop]: 9554 mSDtfsCounter, 7420 mSDsluCounter, 9552 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7420 SdHoareTripleChecker+Valid, 19106 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:07:27,202 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7420 Valid, 19106 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 13:07:27,206 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6812 states.
[2024-12-02 13:07:27,242 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6812 to 6812.
[2024-12-02 13:07:27,247 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6812 states, 6811 states have (on average 1.4925855234180003) internal successors, (10166), 6811 states have internal predecessors, (10166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:27,252 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10166 transitions.
[2024-12-02 13:07:27,253 INFO  L78                 Accepts]: Start accepts. Automaton has 6812 states and 10166 transitions. Word has length 3335
[2024-12-02 13:07:27,254 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:07:27,254 INFO  L471      AbstractCegarLoop]: Abstraction has 6812 states and 10166 transitions.
[2024-12-02 13:07:27,254 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 667.0) internal successors, (3335), 5 states have internal predecessors, (3335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:27,254 INFO  L276                IsEmpty]: Start isEmpty. Operand 6812 states and 10166 transitions.
[2024-12-02 13:07:27,358 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3337
[2024-12-02 13:07:27,359 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:07:27,359 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:07:27,359 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53
[2024-12-02 13:07:27,359 INFO  L396      AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:07:27,360 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:07:27,360 INFO  L85        PathProgramCache]: Analyzing trace with hash 1967572896, now seen corresponding path program 1 times
[2024-12-02 13:07:27,360 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:07:27,360 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189222405]
[2024-12-02 13:07:27,360 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:07:27,360 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:07:28,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:07:33,176 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:07:33,176 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:07:33,177 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189222405]
[2024-12-02 13:07:33,177 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189222405] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:07:33,177 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:07:33,177 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:07:33,177 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801303185]
[2024-12-02 13:07:33,177 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:07:33,179 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:07:33,179 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:07:33,180 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:07:33,180 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:07:33,180 INFO  L87              Difference]: Start difference. First operand 6812 states and 10166 transitions. Second operand  has 4 states, 4 states have (on average 834.0) internal successors, (3336), 4 states have internal predecessors, (3336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:33,531 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:07:33,531 INFO  L93              Difference]: Finished difference Result 13169 states and 19655 transitions.
[2024-12-02 13:07:33,531 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:07:33,532 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 834.0) internal successors, (3336), 4 states have internal predecessors, (3336), 0 states have call successors, (0), 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 3336
[2024-12-02 13:07:33,534 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:07:33,538 INFO  L225             Difference]: With dead ends: 13169
[2024-12-02 13:07:33,538 INFO  L226             Difference]: Without dead ends: 6812
[2024-12-02 13:07:33,541 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:07:33,541 INFO  L435           NwaCegarLoop]: 9487 mSDtfsCounter, 7420 mSDsluCounter, 9482 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7420 SdHoareTripleChecker+Valid, 18969 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:07:33,541 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7420 Valid, 18969 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:07:33,548 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6812 states.
[2024-12-02 13:07:33,580 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6812 to 6812.
[2024-12-02 13:07:33,585 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6812 states, 6811 states have (on average 1.4924387020995449) internal successors, (10165), 6811 states have internal predecessors, (10165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:33,590 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10165 transitions.
[2024-12-02 13:07:33,590 INFO  L78                 Accepts]: Start accepts. Automaton has 6812 states and 10165 transitions. Word has length 3336
[2024-12-02 13:07:33,591 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:07:33,591 INFO  L471      AbstractCegarLoop]: Abstraction has 6812 states and 10165 transitions.
[2024-12-02 13:07:33,591 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 834.0) internal successors, (3336), 4 states have internal predecessors, (3336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:33,591 INFO  L276                IsEmpty]: Start isEmpty. Operand 6812 states and 10165 transitions.
[2024-12-02 13:07:33,694 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3337
[2024-12-02 13:07:33,694 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:07:33,695 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:07:33,695 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54
[2024-12-02 13:07:33,695 INFO  L396      AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:07:33,695 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:07:33,696 INFO  L85        PathProgramCache]: Analyzing trace with hash 1532513327, now seen corresponding path program 1 times
[2024-12-02 13:07:33,696 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:07:33,696 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947367707]
[2024-12-02 13:07:33,696 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:07:33,696 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:07:35,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:07:41,463 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:07:41,463 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:07:41,463 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947367707]
[2024-12-02 13:07:41,463 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947367707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:07:41,464 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:07:41,464 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:07:41,464 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509870320]
[2024-12-02 13:07:41,464 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:07:41,466 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:07:41,466 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:07:41,467 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:07:41,467 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:07:41,468 INFO  L87              Difference]: Start difference. First operand 6812 states and 10165 transitions. Second operand  has 5 states, 5 states have (on average 667.2) internal successors, (3336), 5 states have internal predecessors, (3336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:42,002 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:07:42,002 INFO  L93              Difference]: Finished difference Result 13169 states and 19653 transitions.
[2024-12-02 13:07:42,002 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:07:42,003 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 667.2) internal successors, (3336), 5 states have internal predecessors, (3336), 0 states have call successors, (0), 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 3336
[2024-12-02 13:07:42,004 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:07:42,009 INFO  L225             Difference]: With dead ends: 13169
[2024-12-02 13:07:42,009 INFO  L226             Difference]: Without dead ends: 6812
[2024-12-02 13:07:42,012 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:07:42,012 INFO  L435           NwaCegarLoop]: 9487 mSDtfsCounter, 7416 mSDsluCounter, 9482 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7416 SdHoareTripleChecker+Valid, 18969 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:07:42,012 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7416 Valid, 18969 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:07:42,017 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6812 states.
[2024-12-02 13:07:42,058 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6812 to 6812.
[2024-12-02 13:07:42,063 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6812 states, 6811 states have (on average 1.4922918807810894) internal successors, (10164), 6811 states have internal predecessors, (10164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:42,070 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10164 transitions.
[2024-12-02 13:07:42,070 INFO  L78                 Accepts]: Start accepts. Automaton has 6812 states and 10164 transitions. Word has length 3336
[2024-12-02 13:07:42,071 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:07:42,071 INFO  L471      AbstractCegarLoop]: Abstraction has 6812 states and 10164 transitions.
[2024-12-02 13:07:42,072 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 667.2) internal successors, (3336), 5 states have internal predecessors, (3336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:42,072 INFO  L276                IsEmpty]: Start isEmpty. Operand 6812 states and 10164 transitions.
[2024-12-02 13:07:42,139 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3338
[2024-12-02 13:07:42,140 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:07:42,140 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:07:42,140 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55
[2024-12-02 13:07:42,140 INFO  L396      AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:07:42,141 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:07:42,141 INFO  L85        PathProgramCache]: Analyzing trace with hash -1636444546, now seen corresponding path program 1 times
[2024-12-02 13:07:42,141 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:07:42,141 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612073058]
[2024-12-02 13:07:42,142 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:07:42,142 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:07:46,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:07:51,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:07:51,899 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:07:51,899 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612073058]
[2024-12-02 13:07:51,899 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612073058] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:07:51,899 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:07:51,899 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:07:51,900 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142485469]
[2024-12-02 13:07:51,900 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:07:51,901 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:07:51,901 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:07:51,902 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:07:51,902 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:07:51,902 INFO  L87              Difference]: Start difference. First operand 6812 states and 10164 transitions. Second operand  has 5 states, 5 states have (on average 667.4) internal successors, (3337), 5 states have internal predecessors, (3337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:52,144 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:07:52,144 INFO  L93              Difference]: Finished difference Result 13170 states and 19653 transitions.
[2024-12-02 13:07:52,145 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:07:52,145 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 667.4) internal successors, (3337), 5 states have internal predecessors, (3337), 0 states have call successors, (0), 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 3337
[2024-12-02 13:07:52,146 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:07:52,149 INFO  L225             Difference]: With dead ends: 13170
[2024-12-02 13:07:52,149 INFO  L226             Difference]: Without dead ends: 6813
[2024-12-02 13:07:52,151 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:07:52,152 INFO  L435           NwaCegarLoop]: 9652 mSDtfsCounter, 7184 mSDsluCounter, 19299 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7184 SdHoareTripleChecker+Valid, 28951 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:07:52,152 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7184 Valid, 28951 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:07:52,158 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6813 states.
[2024-12-02 13:07:52,195 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6813 to 6813.
[2024-12-02 13:07:52,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6813 states, 6812 states have (on average 1.49221961244862) internal successors, (10165), 6812 states have internal predecessors, (10165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:52,205 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6813 states to 6813 states and 10165 transitions.
[2024-12-02 13:07:52,206 INFO  L78                 Accepts]: Start accepts. Automaton has 6813 states and 10165 transitions. Word has length 3337
[2024-12-02 13:07:52,207 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:07:52,207 INFO  L471      AbstractCegarLoop]: Abstraction has 6813 states and 10165 transitions.
[2024-12-02 13:07:52,207 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 667.4) internal successors, (3337), 5 states have internal predecessors, (3337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:07:52,207 INFO  L276                IsEmpty]: Start isEmpty. Operand 6813 states and 10165 transitions.
[2024-12-02 13:07:52,249 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3338
[2024-12-02 13:07:52,249 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:07:52,250 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 13:07:52,250 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56
[2024-12-02 13:07:52,250 INFO  L396      AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:07:52,251 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:07:52,251 INFO  L85        PathProgramCache]: Analyzing trace with hash -677414338, now seen corresponding path program 1 times
[2024-12-02 13:07:52,251 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:07:52,251 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81531831]
[2024-12-02 13:07:52,251 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:07:52,251 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:08:13,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat