./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop4-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/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_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop4-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/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_3d3284af-2012-4a03-9db3-6d78a7ed4042/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 869700cd78f7d820cf3ed593e30455c067019e8d92906ad94f55889056be917a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:39:37,830 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:39:37,886 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 13:39:37,891 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:39:37,891 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:39:37,911 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:39:37,912 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:39:37,912 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:39:37,912 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:39:37,912 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 13:39:37,912 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:39:37,913 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:39:37,913 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:39:37,913 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 13:39:37,913 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 13:39:37,913 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:39:37,913 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:39:37,913 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 13:39:37,913 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 13:39:37,913 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 13:39:37,914 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:39:37,914 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 13:39:37,914 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:39:37,915 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:39:37,915 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:39:37,916 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_3d3284af-2012-4a03-9db3-6d78a7ed4042/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 -> 869700cd78f7d820cf3ed593e30455c067019e8d92906ad94f55889056be917a
[2024-12-02 13:39:38,150 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:39:38,158 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:39:38,160 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:39:38,161 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 13:39:38,161 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 13:39:38,163 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop4-back-serstep.c
[2024-12-02 13:39:40,771 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/data/a4d79d683/28519edc64394675905a4274b8ccf39f/FLAGc0974b59b
[2024-12-02 13:39:41,119 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 13:39:41,120 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop4-back-serstep.c
[2024-12-02 13:39:41,146 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/data/a4d79d683/28519edc64394675905a4274b8ccf39f/FLAGc0974b59b
[2024-12-02 13:39:41,316 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/data/a4d79d683/28519edc64394675905a4274b8ccf39f
[2024-12-02 13:39:41,319 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:39:41,320 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:39:41,321 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:39:41,321 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:39:41,325 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:39:41,326 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:41" (1/1) ...
[2024-12-02 13:39:41,327 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4498b17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:41, skipping insertion in model container
[2024-12-02 13:39:41,327 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:41" (1/1) ...
[2024-12-02 13:39:41,409 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:39:41,601 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_3d3284af-2012-4a03-9db3-6d78a7ed4042/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop4-back-serstep.c[1175,1188]
[2024-12-02 13:39:42,191 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:39:42,201 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 13:39:42,211 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_3d3284af-2012-4a03-9db3-6d78a7ed4042/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop4-back-serstep.c[1175,1188]
[2024-12-02 13:39:42,655 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:39:42,669 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 13:39:42,669 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42 WrapperNode
[2024-12-02 13:39:42,670 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:39:42,671 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:39:42,671 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:39:42,671 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:39:42,680 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:42,795 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:44,160 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21753
[2024-12-02 13:39:44,160 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:39:44,161 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:39:44,161 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:39:44,161 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:39:44,169 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:44,170 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:44,471 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:44,664 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 13:39:44,665 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:44,665 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:44,980 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:45,013 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:45,112 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:45,211 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:45,274 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:45,499 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:39:45,500 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:39:45,500 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:39:45,500 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:39:45,501 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (1/1) ...
[2024-12-02 13:39:45,507 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:39:45,520 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:39:45,529 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:39:45,531 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3284af-2012-4a03-9db3-6d78a7ed4042/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:39:45,548 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:39:45,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:39:45,549 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:39:45,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:39:46,622 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 13:39:46,624 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:40:48,323 INFO  L?                        ?]: Removed 11548 outVars from TransFormulas that were not future-live.
[2024-12-02 13:40:48,324 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 13:40:48,422 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:40:48,422 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 13:40:48,422 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:48 BoogieIcfgContainer
[2024-12-02 13:40:48,423 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:40:48,425 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:40:48,425 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:40:48,431 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:40:48,431 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:39:41" (1/3) ...
[2024-12-02 13:40:48,432 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f48418c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:48, skipping insertion in model container
[2024-12-02 13:40:48,432 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:42" (2/3) ...
[2024-12-02 13:40:48,432 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f48418c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:48, skipping insertion in model container
[2024-12-02 13:40:48,432 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:48" (3/3) ...
[2024-12-02 13:40:48,434 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.3.prop4-back-serstep.c
[2024-12-02 13:40:48,452 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:40:48,453 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.needham.3.prop4-back-serstep.c that has 1 procedures, 7812 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 13:40:48,639 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:40:48,650 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;@379905c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:40:48,650 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 13:40:48,673 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 7812 states, 7810 states have (on average 1.5038412291933418) internal successors, (11745), 7811 states have internal predecessors, (11745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:40:48,713 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 612
[2024-12-02 13:40:48,713 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:40:48,714 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:48,715 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:40:48,720 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:40:48,720 INFO  L85        PathProgramCache]: Analyzing trace with hash 417474391, now seen corresponding path program 1 times
[2024-12-02 13:40:48,728 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:40:48,728 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313242914]
[2024-12-02 13:40:48,729 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:40:48,729 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:40:49,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:40:51,978 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 13:40:51,978 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:40:51,979 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313242914]
[2024-12-02 13:40:51,979 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313242914] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:40:51,979 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:40:51,980 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:40:51,981 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076005504]
[2024-12-02 13:40:51,981 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:40:51,986 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:40:51,986 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:40:52,006 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:40:52,006 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:40:52,022 INFO  L87              Difference]: Start difference. First operand  has 7812 states, 7810 states have (on average 1.5038412291933418) internal successors, (11745), 7811 states have internal predecessors, (11745), 0 states have call successors, (0), 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 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:40:52,379 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:40:52,380 INFO  L93              Difference]: Finished difference Result 15381 states and 23129 transitions.
[2024-12-02 13:40:52,381 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:40:52,383 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 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 611
[2024-12-02 13:40:52,385 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:40:52,425 INFO  L225             Difference]: With dead ends: 15381
[2024-12-02 13:40:52,425 INFO  L226             Difference]: Without dead ends: 7811
[2024-12-02 13:40:52,437 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 13:40:52,440 INFO  L435           NwaCegarLoop]: 11739 mSDtfsCounter, 0 mSDsluCounter, 23472 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35211 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 13:40:52,440 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35211 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:40:52,469 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7811 states.
[2024-12-02 13:40:52,785 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7811 to 7811.
[2024-12-02 13:40:52,807 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7811 states, 7810 states have (on average 1.5035851472471191) internal successors, (11743), 7810 states have internal predecessors, (11743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:40:52,841 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7811 states to 7811 states and 11743 transitions.
[2024-12-02 13:40:52,842 INFO  L78                 Accepts]: Start accepts. Automaton has 7811 states and 11743 transitions. Word has length 611
[2024-12-02 13:40:52,844 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:40:52,845 INFO  L471      AbstractCegarLoop]: Abstraction has 7811 states and 11743 transitions.
[2024-12-02 13:40:52,846 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:40:52,847 INFO  L276                IsEmpty]: Start isEmpty. Operand 7811 states and 11743 transitions.
[2024-12-02 13:40:52,863 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 613
[2024-12-02 13:40:52,864 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:40:52,864 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:52,865 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:40:52,865 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:40:52,867 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:40:52,867 INFO  L85        PathProgramCache]: Analyzing trace with hash 58503325, now seen corresponding path program 1 times
[2024-12-02 13:40:52,867 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:40:52,867 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254022008]
[2024-12-02 13:40:52,868 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:40:52,868 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:40:53,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:40:54,524 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 13:40:54,525 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:40:54,525 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254022008]
[2024-12-02 13:40:54,525 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254022008] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:40:54,525 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:40:54,526 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:40:54,526 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981767692]
[2024-12-02 13:40:54,526 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:40:54,528 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:40:54,529 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:40:54,530 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:40:54,531 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:40:54,531 INFO  L87              Difference]: Start difference. First operand 7811 states and 11743 transitions. Second operand  has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:40:54,728 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:40:54,728 INFO  L93              Difference]: Finished difference Result 15382 states and 23127 transitions.
[2024-12-02 13:40:54,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:40:54,733 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 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 612
[2024-12-02 13:40:54,734 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:40:54,764 INFO  L225             Difference]: With dead ends: 15382
[2024-12-02 13:40:54,764 INFO  L226             Difference]: Without dead ends: 7813
[2024-12-02 13:40:54,772 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 13:40:54,774 INFO  L435           NwaCegarLoop]: 11739 mSDtfsCounter, 0 mSDsluCounter, 23468 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35207 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 13:40:54,775 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35207 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:40:54,788 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7813 states.
[2024-12-02 13:40:54,911 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7813 to 7813.
[2024-12-02 13:40:54,926 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7813 states, 7812 states have (on average 1.5034562211981566) internal successors, (11745), 7812 states have internal predecessors, (11745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:40:54,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7813 states to 7813 states and 11745 transitions.
[2024-12-02 13:40:54,953 INFO  L78                 Accepts]: Start accepts. Automaton has 7813 states and 11745 transitions. Word has length 612
[2024-12-02 13:40:54,956 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:40:54,956 INFO  L471      AbstractCegarLoop]: Abstraction has 7813 states and 11745 transitions.
[2024-12-02 13:40:54,957 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:40:54,958 INFO  L276                IsEmpty]: Start isEmpty. Operand 7813 states and 11745 transitions.
[2024-12-02 13:40:54,963 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 614
[2024-12-02 13:40:54,963 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:40:54,964 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:54,964 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 13:40:54,964 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:40:54,965 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:40:54,966 INFO  L85        PathProgramCache]: Analyzing trace with hash 715641072, now seen corresponding path program 1 times
[2024-12-02 13:40:54,966 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:40:54,966 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617070190]
[2024-12-02 13:40:54,966 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:40:54,967 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:40:55,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:40:56,333 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 13:40:56,333 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:40:56,333 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617070190]
[2024-12-02 13:40:56,333 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617070190] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:40:56,333 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:40:56,334 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:40:56,334 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742675867]
[2024-12-02 13:40:56,334 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:40:56,334 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:40:56,335 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:40:56,335 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:40:56,335 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:40:56,336 INFO  L87              Difference]: Start difference. First operand 7813 states and 11745 transitions. Second operand  has 5 states, 5 states have (on average 122.6) internal successors, (613), 5 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:40:56,703 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:40:56,703 INFO  L93              Difference]: Finished difference Result 22902 states and 34433 transitions.
[2024-12-02 13:40:56,703 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:40:56,704 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 122.6) internal successors, (613), 5 states have internal predecessors, (613), 0 states have call successors, (0), 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 613
[2024-12-02 13:40:56,705 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:40:56,751 INFO  L225             Difference]: With dead ends: 22902
[2024-12-02 13:40:56,751 INFO  L226             Difference]: Without dead ends: 15331
[2024-12-02 13:40:56,761 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 13:40:56,762 INFO  L435           NwaCegarLoop]: 11737 mSDtfsCounter, 11061 mSDsluCounter, 34844 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11061 SdHoareTripleChecker+Valid, 46581 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:40:56,762 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11061 Valid, 46581 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:40:56,782 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15331 states.
[2024-12-02 13:40:56,940 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15331 to 8779.
[2024-12-02 13:40:56,950 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8779 states, 8778 states have (on average 1.5029619503303713) internal successors, (13193), 8778 states have internal predecessors, (13193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:40:56,959 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8779 states to 8779 states and 13193 transitions.
[2024-12-02 13:40:56,960 INFO  L78                 Accepts]: Start accepts. Automaton has 8779 states and 13193 transitions. Word has length 613
[2024-12-02 13:40:56,961 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:40:56,961 INFO  L471      AbstractCegarLoop]: Abstraction has 8779 states and 13193 transitions.
[2024-12-02 13:40:56,961 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 122.6) internal successors, (613), 5 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:40:56,961 INFO  L276                IsEmpty]: Start isEmpty. Operand 8779 states and 13193 transitions.
[2024-12-02 13:40:57,040 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4277
[2024-12-02 13:40:57,040 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:40:57,042 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:40:57,042 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 13:40:57,042 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:40:57,043 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:40:57,045 INFO  L85        PathProgramCache]: Analyzing trace with hash 1665095826, now seen corresponding path program 1 times
[2024-12-02 13:40:57,045 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:40:57,045 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498572108]
[2024-12-02 13:40:57,046 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:40:57,046 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:41:02,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:41:11,047 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:41:11,047 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:41:11,047 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498572108]
[2024-12-02 13:41:11,047 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498572108] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:41:11,047 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:41:11,048 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:41:11,048 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132640570]
[2024-12-02 13:41:11,048 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:41:11,051 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:41:11,051 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:41:11,053 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:41:11,053 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:41:11,054 INFO  L87              Difference]: Start difference. First operand 8779 states and 13193 transitions. Second operand  has 3 states, 3 states have (on average 1425.3333333333333) internal successors, (4276), 3 states have internal predecessors, (4276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:11,141 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:41:11,141 INFO  L93              Difference]: Finished difference Result 16351 states and 24578 transitions.
[2024-12-02 13:41:11,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:41:11,143 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1425.3333333333333) internal successors, (4276), 3 states have internal predecessors, (4276), 0 states have call successors, (0), 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 4276
[2024-12-02 13:41:11,144 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:41:11,161 INFO  L225             Difference]: With dead ends: 16351
[2024-12-02 13:41:11,162 INFO  L226             Difference]: Without dead ends: 8780
[2024-12-02 13:41:11,169 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 13:41:11,170 INFO  L435           NwaCegarLoop]: 11740 mSDtfsCounter, 0 mSDsluCounter, 11734 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23474 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 13:41:11,171 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23474 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:41:11,184 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8780 states.
[2024-12-02 13:41:11,294 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8780 to 8780.
[2024-12-02 13:41:11,305 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8780 states, 8779 states have (on average 1.502904658844971) internal successors, (13194), 8779 states have internal predecessors, (13194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:11,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8780 states to 8780 states and 13194 transitions.
[2024-12-02 13:41:11,316 INFO  L78                 Accepts]: Start accepts. Automaton has 8780 states and 13194 transitions. Word has length 4276
[2024-12-02 13:41:11,318 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:41:11,318 INFO  L471      AbstractCegarLoop]: Abstraction has 8780 states and 13194 transitions.
[2024-12-02 13:41:11,319 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1425.3333333333333) internal successors, (4276), 3 states have internal predecessors, (4276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:11,320 INFO  L276                IsEmpty]: Start isEmpty. Operand 8780 states and 13194 transitions.
[2024-12-02 13:41:11,441 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4277
[2024-12-02 13:41:11,441 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:41:11,443 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:41:11,443 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 13:41:11,443 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:41:11,445 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:41:11,446 INFO  L85        PathProgramCache]: Analyzing trace with hash 501056451, now seen corresponding path program 1 times
[2024-12-02 13:41:11,447 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:41:11,447 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487225354]
[2024-12-02 13:41:11,448 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:41:11,448 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:41:15,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:41:23,121 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:41:23,122 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:41:23,122 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487225354]
[2024-12-02 13:41:23,122 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487225354] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:41:23,122 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:41:23,123 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:41:23,123 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688590006]
[2024-12-02 13:41:23,123 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:41:23,128 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:41:23,128 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:41:23,134 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:41:23,134 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:41:23,136 INFO  L87              Difference]: Start difference. First operand 8780 states and 13194 transitions. Second operand  has 3 states, 3 states have (on average 1425.3333333333333) internal successors, (4276), 3 states have internal predecessors, (4276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:23,308 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:41:23,308 INFO  L93              Difference]: Finished difference Result 16353 states and 24580 transitions.
[2024-12-02 13:41:23,309 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:41:23,310 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1425.3333333333333) internal successors, (4276), 3 states have internal predecessors, (4276), 0 states have call successors, (0), 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 4276
[2024-12-02 13:41:23,313 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:41:23,335 INFO  L225             Difference]: With dead ends: 16353
[2024-12-02 13:41:23,335 INFO  L226             Difference]: Without dead ends: 8781
[2024-12-02 13:41:23,343 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 13:41:23,344 INFO  L435           NwaCegarLoop]: 11740 mSDtfsCounter, 0 mSDsluCounter, 11734 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23474 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 13:41:23,345 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23474 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:41:23,360 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8781 states.
[2024-12-02 13:41:23,492 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8781 to 8781.
[2024-12-02 13:41:23,504 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8781 states, 8780 states have (on average 1.5028473804100229) internal successors, (13195), 8780 states have internal predecessors, (13195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:23,522 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 13195 transitions.
[2024-12-02 13:41:23,522 INFO  L78                 Accepts]: Start accepts. Automaton has 8781 states and 13195 transitions. Word has length 4276
[2024-12-02 13:41:23,524 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:41:23,525 INFO  L471      AbstractCegarLoop]: Abstraction has 8781 states and 13195 transitions.
[2024-12-02 13:41:23,526 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1425.3333333333333) internal successors, (4276), 3 states have internal predecessors, (4276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:23,526 INFO  L276                IsEmpty]: Start isEmpty. Operand 8781 states and 13195 transitions.
[2024-12-02 13:41:23,795 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4277
[2024-12-02 13:41:23,795 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:41:23,798 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:41:23,798 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 13:41:23,798 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:41:23,799 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:41:23,801 INFO  L85        PathProgramCache]: Analyzing trace with hash 1260404148, now seen corresponding path program 1 times
[2024-12-02 13:41:23,801 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:41:23,801 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699404104]
[2024-12-02 13:41:23,802 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:41:23,802 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:41:27,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:41:37,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked.
[2024-12-02 13:41:37,216 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:41:37,216 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699404104]
[2024-12-02 13:41:37,216 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699404104] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:41:37,216 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:41:37,217 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:41:37,217 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814548068]
[2024-12-02 13:41:37,217 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:41:37,221 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:41:37,221 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:41:37,224 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:41:37,224 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:41:37,226 INFO  L87              Difference]: Start difference. First operand 8781 states and 13195 transitions. Second operand  has 5 states, 5 states have (on average 759.0) internal successors, (3795), 5 states have internal predecessors, (3795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:37,386 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:41:37,386 INFO  L93              Difference]: Finished difference Result 16358 states and 24585 transitions.
[2024-12-02 13:41:37,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:41:37,388 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 759.0) internal successors, (3795), 5 states have internal predecessors, (3795), 0 states have call successors, (0), 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 4276
[2024-12-02 13:41:37,392 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:41:37,412 INFO  L225             Difference]: With dead ends: 16358
[2024-12-02 13:41:37,413 INFO  L226             Difference]: Without dead ends: 8785
[2024-12-02 13:41:37,419 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:41:37,420 INFO  L435           NwaCegarLoop]: 11739 mSDtfsCounter, 0 mSDsluCounter, 35201 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46940 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:41:37,420 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46940 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:41:37,434 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8785 states.
[2024-12-02 13:41:37,566 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8785 to 8781.
[2024-12-02 13:41:37,574 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8781 states, 8780 states have (on average 1.5028473804100229) internal successors, (13195), 8780 states have internal predecessors, (13195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:37,587 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 13195 transitions.
[2024-12-02 13:41:37,587 INFO  L78                 Accepts]: Start accepts. Automaton has 8781 states and 13195 transitions. Word has length 4276
[2024-12-02 13:41:37,591 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:41:37,591 INFO  L471      AbstractCegarLoop]: Abstraction has 8781 states and 13195 transitions.
[2024-12-02 13:41:37,592 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 759.0) internal successors, (3795), 5 states have internal predecessors, (3795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:37,592 INFO  L276                IsEmpty]: Start isEmpty. Operand 8781 states and 13195 transitions.
[2024-12-02 13:41:37,773 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4278
[2024-12-02 13:41:37,773 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:41:37,775 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:41:37,775 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 13:41:37,775 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:41:37,776 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:41:37,778 INFO  L85        PathProgramCache]: Analyzing trace with hash 1326713664, now seen corresponding path program 1 times
[2024-12-02 13:41:37,779 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:41:37,779 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272036021]
[2024-12-02 13:41:37,780 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:41:37,780 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:41:44,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:41:55,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:41:55,174 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:41:55,174 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272036021]
[2024-12-02 13:41:55,174 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272036021] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:41:55,174 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:41:55,175 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:41:55,175 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568970033]
[2024-12-02 13:41:55,175 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:41:55,177 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:41:55,177 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:41:55,179 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:41:55,179 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:41:55,180 INFO  L87              Difference]: Start difference. First operand 8781 states and 13195 transitions. Second operand  has 4 states, 4 states have (on average 1069.25) internal successors, (4277), 4 states have internal predecessors, (4277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:56,005 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:41:56,005 INFO  L93              Difference]: Finished difference Result 16356 states and 24582 transitions.
[2024-12-02 13:41:56,006 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:41:56,006 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1069.25) internal successors, (4277), 4 states have internal predecessors, (4277), 0 states have call successors, (0), 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 4277
[2024-12-02 13:41:56,007 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:41:56,015 INFO  L225             Difference]: With dead ends: 16356
[2024-12-02 13:41:56,015 INFO  L226             Difference]: Without dead ends: 8781
[2024-12-02 13:41:56,018 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 13:41:56,019 INFO  L435           NwaCegarLoop]: 11338 mSDtfsCounter, 11123 mSDsluCounter, 11334 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11123 SdHoareTripleChecker+Valid, 22672 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 13:41:56,019 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11123 Valid, 22672 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 13:41:56,026 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8781 states.
[2024-12-02 13:41:56,093 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8781 to 8781.
[2024-12-02 13:41:56,101 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8781 states, 8780 states have (on average 1.5027334851936218) internal successors, (13194), 8780 states have internal predecessors, (13194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:56,109 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 13194 transitions.
[2024-12-02 13:41:56,110 INFO  L78                 Accepts]: Start accepts. Automaton has 8781 states and 13194 transitions. Word has length 4277
[2024-12-02 13:41:56,110 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:41:56,110 INFO  L471      AbstractCegarLoop]: Abstraction has 8781 states and 13194 transitions.
[2024-12-02 13:41:56,111 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1069.25) internal successors, (4277), 4 states have internal predecessors, (4277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:41:56,111 INFO  L276                IsEmpty]: Start isEmpty. Operand 8781 states and 13194 transitions.
[2024-12-02 13:41:56,190 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4279
[2024-12-02 13:41:56,190 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:41:56,192 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:41:56,192 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 13:41:56,192 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:41:56,193 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:41:56,194 INFO  L85        PathProgramCache]: Analyzing trace with hash 1449158499, now seen corresponding path program 1 times
[2024-12-02 13:41:56,195 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:41:56,195 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578842370]
[2024-12-02 13:41:56,195 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:41:56,196 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:42:00,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:42:07,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:42:07,478 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:42:07,478 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578842370]
[2024-12-02 13:42:07,478 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578842370] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:42:07,479 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:42:07,479 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:42:07,479 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651743391]
[2024-12-02 13:42:07,479 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:42:07,483 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:42:07,483 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:42:07,487 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:42:07,487 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:42:07,488 INFO  L87              Difference]: Start difference. First operand 8781 states and 13194 transitions. Second operand  has 4 states, 4 states have (on average 1069.5) internal successors, (4278), 4 states have internal predecessors, (4278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:08,716 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:42:08,716 INFO  L93              Difference]: Finished difference Result 16294 states and 24518 transitions.
[2024-12-02 13:42:08,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:42:08,717 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1069.5) internal successors, (4278), 4 states have internal predecessors, (4278), 0 states have call successors, (0), 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 4278
[2024-12-02 13:42:08,718 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:42:08,726 INFO  L225             Difference]: With dead ends: 16294
[2024-12-02 13:42:08,726 INFO  L226             Difference]: Without dead ends: 8719
[2024-12-02 13:42:08,732 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:42:08,732 INFO  L435           NwaCegarLoop]: 10997 mSDtfsCounter, 10989 mSDsluCounter, 10991 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10989 SdHoareTripleChecker+Valid, 21988 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:42:08,733 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10989 Valid, 21988 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 13:42:08,743 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8719 states.
[2024-12-02 13:42:08,846 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8719 to 8719.
[2024-12-02 13:42:08,853 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8719 states, 8718 states have (on average 1.4989676531314522) internal successors, (13068), 8718 states have internal predecessors, (13068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:08,867 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8719 states to 8719 states and 13068 transitions.
[2024-12-02 13:42:08,867 INFO  L78                 Accepts]: Start accepts. Automaton has 8719 states and 13068 transitions. Word has length 4278
[2024-12-02 13:42:08,868 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:42:08,868 INFO  L471      AbstractCegarLoop]: Abstraction has 8719 states and 13068 transitions.
[2024-12-02 13:42:08,869 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1069.5) internal successors, (4278), 4 states have internal predecessors, (4278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:08,869 INFO  L276                IsEmpty]: Start isEmpty. Operand 8719 states and 13068 transitions.
[2024-12-02 13:42:09,076 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4280
[2024-12-02 13:42:09,076 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:42:09,078 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:42:09,079 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 13:42:09,079 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:42:09,080 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:42:09,081 INFO  L85        PathProgramCache]: Analyzing trace with hash 1886746648, now seen corresponding path program 1 times
[2024-12-02 13:42:09,081 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:42:09,081 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487936838]
[2024-12-02 13:42:09,082 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:42:09,082 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:42:13,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:42:20,334 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:42:20,334 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:42:20,334 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487936838]
[2024-12-02 13:42:20,334 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487936838] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:42:20,334 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:42:20,335 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:42:20,335 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174050334]
[2024-12-02 13:42:20,335 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:42:20,338 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:42:20,338 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:42:20,342 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:42:20,342 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:42:20,343 INFO  L87              Difference]: Start difference. First operand 8719 states and 13068 transitions. Second operand  has 5 states, 5 states have (on average 855.8) internal successors, (4279), 5 states have internal predecessors, (4279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:20,612 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:42:20,612 INFO  L93              Difference]: Finished difference Result 16233 states and 24330 transitions.
[2024-12-02 13:42:20,612 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:42:20,613 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 855.8) internal successors, (4279), 5 states have internal predecessors, (4279), 0 states have call successors, (0), 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 4279
[2024-12-02 13:42:20,614 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:42:20,621 INFO  L225             Difference]: With dead ends: 16233
[2024-12-02 13:42:20,621 INFO  L226             Difference]: Without dead ends: 8720
[2024-12-02 13:42:20,627 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 13:42:20,627 INFO  L435           NwaCegarLoop]: 11589 mSDtfsCounter, 10997 mSDsluCounter, 23173 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10997 SdHoareTripleChecker+Valid, 34762 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:42:20,628 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10997 Valid, 34762 Invalid, 70 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:42:20,639 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8720 states.
[2024-12-02 13:42:20,769 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8720 to 8720.
[2024-12-02 13:42:20,775 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8720 states, 8719 states have (on average 1.4989104255075123) internal successors, (13069), 8719 states have internal predecessors, (13069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:20,788 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8720 states to 8720 states and 13069 transitions.
[2024-12-02 13:42:20,788 INFO  L78                 Accepts]: Start accepts. Automaton has 8720 states and 13069 transitions. Word has length 4279
[2024-12-02 13:42:20,789 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:42:20,789 INFO  L471      AbstractCegarLoop]: Abstraction has 8720 states and 13069 transitions.
[2024-12-02 13:42:20,790 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 855.8) internal successors, (4279), 5 states have internal predecessors, (4279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:20,790 INFO  L276                IsEmpty]: Start isEmpty. Operand 8720 states and 13069 transitions.
[2024-12-02 13:42:20,887 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4280
[2024-12-02 13:42:20,887 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:42:20,889 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:42:20,890 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 13:42:20,890 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:42:20,891 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:42:20,893 INFO  L85        PathProgramCache]: Analyzing trace with hash 300739544, now seen corresponding path program 1 times
[2024-12-02 13:42:20,893 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:42:20,893 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366437853]
[2024-12-02 13:42:20,894 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:42:20,894 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:42:25,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:42:33,170 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:42:33,170 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:42:33,170 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366437853]
[2024-12-02 13:42:33,170 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366437853] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:42:33,170 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:42:33,171 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:42:33,171 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697803808]
[2024-12-02 13:42:33,171 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:42:33,174 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:42:33,174 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:42:33,177 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:42:33,177 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:42:33,178 INFO  L87              Difference]: Start difference. First operand 8720 states and 13069 transitions. Second operand  has 5 states, 5 states have (on average 855.8) internal successors, (4279), 5 states have internal predecessors, (4279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:33,957 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:42:33,957 INFO  L93              Difference]: Finished difference Result 16234 states and 24330 transitions.
[2024-12-02 13:42:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:42:33,958 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 855.8) internal successors, (4279), 5 states have internal predecessors, (4279), 0 states have call successors, (0), 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 4279
[2024-12-02 13:42:33,959 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:42:33,965 INFO  L225             Difference]: With dead ends: 16234
[2024-12-02 13:42:33,965 INFO  L226             Difference]: Without dead ends: 8720
[2024-12-02 13:42:33,970 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 13:42:33,970 INFO  L435           NwaCegarLoop]: 11215 mSDtfsCounter, 22579 mSDsluCounter, 11212 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22579 SdHoareTripleChecker+Valid, 22427 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 13:42:33,971 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22579 Valid, 22427 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 13:42:33,980 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8720 states.
[2024-12-02 13:42:34,059 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8720 to 8720.
[2024-12-02 13:42:34,066 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8720 states, 8719 states have (on average 1.4987957334556716) internal successors, (13068), 8719 states have internal predecessors, (13068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:34,077 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8720 states to 8720 states and 13068 transitions.
[2024-12-02 13:42:34,077 INFO  L78                 Accepts]: Start accepts. Automaton has 8720 states and 13068 transitions. Word has length 4279
[2024-12-02 13:42:34,078 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:42:34,078 INFO  L471      AbstractCegarLoop]: Abstraction has 8720 states and 13068 transitions.
[2024-12-02 13:42:34,079 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 855.8) internal successors, (4279), 5 states have internal predecessors, (4279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:34,079 INFO  L276                IsEmpty]: Start isEmpty. Operand 8720 states and 13068 transitions.
[2024-12-02 13:42:34,327 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4281
[2024-12-02 13:42:34,327 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:42:34,328 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:42:34,328 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 13:42:34,329 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:42:34,330 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:42:34,331 INFO  L85        PathProgramCache]: Analyzing trace with hash -1898394716, now seen corresponding path program 1 times
[2024-12-02 13:42:34,331 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:42:34,331 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099492049]
[2024-12-02 13:42:34,331 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:42:34,331 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:42:37,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:42:44,383 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:42:44,383 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:42:44,383 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099492049]
[2024-12-02 13:42:44,383 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099492049] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:42:44,383 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:42:44,383 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:42:44,383 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036717942]
[2024-12-02 13:42:44,383 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:42:44,385 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:42:44,385 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:42:44,387 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:42:44,387 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:42:44,388 INFO  L87              Difference]: Start difference. First operand 8720 states and 13068 transitions. Second operand  has 4 states, 4 states have (on average 1070.0) internal successors, (4280), 4 states have internal predecessors, (4280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:45,483 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:42:45,483 INFO  L93              Difference]: Finished difference Result 16234 states and 24328 transitions.
[2024-12-02 13:42:45,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:42:45,484 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1070.0) internal successors, (4280), 4 states have internal predecessors, (4280), 0 states have call successors, (0), 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 4280
[2024-12-02 13:42:45,485 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:42:45,494 INFO  L225             Difference]: With dead ends: 16234
[2024-12-02 13:42:45,494 INFO  L226             Difference]: Without dead ends: 8720
[2024-12-02 13:42:45,500 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:42:45,500 INFO  L435           NwaCegarLoop]: 10996 mSDtfsCounter, 10966 mSDsluCounter, 10991 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10966 SdHoareTripleChecker+Valid, 21987 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:42:45,500 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10966 Valid, 21987 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 13:42:45,511 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8720 states.
[2024-12-02 13:42:45,596 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8720 to 8720.
[2024-12-02 13:42:45,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8720 states, 8719 states have (on average 1.4985663493519898) internal successors, (13066), 8719 states have internal predecessors, (13066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:45,615 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8720 states to 8720 states and 13066 transitions.
[2024-12-02 13:42:45,615 INFO  L78                 Accepts]: Start accepts. Automaton has 8720 states and 13066 transitions. Word has length 4280
[2024-12-02 13:42:45,616 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:42:45,616 INFO  L471      AbstractCegarLoop]: Abstraction has 8720 states and 13066 transitions.
[2024-12-02 13:42:45,617 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1070.0) internal successors, (4280), 4 states have internal predecessors, (4280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:45,617 INFO  L276                IsEmpty]: Start isEmpty. Operand 8720 states and 13066 transitions.
[2024-12-02 13:42:45,802 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4282
[2024-12-02 13:42:45,802 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:42:45,804 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:42:45,804 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 13:42:45,805 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:42:45,805 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:42:45,806 INFO  L85        PathProgramCache]: Analyzing trace with hash 507363792, now seen corresponding path program 1 times
[2024-12-02 13:42:45,806 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:42:45,806 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432088194]
[2024-12-02 13:42:45,807 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:42:45,807 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:42:49,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:42:56,030 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:42:56,030 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:42:56,030 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432088194]
[2024-12-02 13:42:56,030 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432088194] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:42:56,030 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:42:56,030 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:42:56,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714762432]
[2024-12-02 13:42:56,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:42:56,032 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:42:56,032 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:42:56,034 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:42:56,034 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:42:56,035 INFO  L87              Difference]: Start difference. First operand 8720 states and 13066 transitions. Second operand  has 5 states, 5 states have (on average 856.2) internal successors, (4281), 5 states have internal predecessors, (4281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:56,183 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:42:56,184 INFO  L93              Difference]: Finished difference Result 16235 states and 24326 transitions.
[2024-12-02 13:42:56,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:42:56,185 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 856.2) internal successors, (4281), 5 states have internal predecessors, (4281), 0 states have call successors, (0), 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 4281
[2024-12-02 13:42:56,185 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:42:56,190 INFO  L225             Difference]: With dead ends: 16235
[2024-12-02 13:42:56,190 INFO  L226             Difference]: Without dead ends: 8721
[2024-12-02 13:42:56,194 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 13:42:56,195 INFO  L435           NwaCegarLoop]: 11588 mSDtfsCounter, 10980 mSDsluCounter, 23171 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10980 SdHoareTripleChecker+Valid, 34759 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:42:56,195 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10980 Valid, 34759 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:42:56,201 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8721 states.
[2024-12-02 13:42:56,256 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8721 to 8721.
[2024-12-02 13:42:56,263 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8721 states, 8720 states have (on average 1.4985091743119265) internal successors, (13067), 8720 states have internal predecessors, (13067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:56,270 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8721 states to 8721 states and 13067 transitions.
[2024-12-02 13:42:56,270 INFO  L78                 Accepts]: Start accepts. Automaton has 8721 states and 13067 transitions. Word has length 4281
[2024-12-02 13:42:56,271 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:42:56,271 INFO  L471      AbstractCegarLoop]: Abstraction has 8721 states and 13067 transitions.
[2024-12-02 13:42:56,272 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 856.2) internal successors, (4281), 5 states have internal predecessors, (4281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:42:56,272 INFO  L276                IsEmpty]: Start isEmpty. Operand 8721 states and 13067 transitions.
[2024-12-02 13:42:56,343 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4282
[2024-12-02 13:42:56,343 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:42:56,344 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:42:56,344 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 13:42:56,344 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:42:56,345 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:42:56,346 INFO  L85        PathProgramCache]: Analyzing trace with hash -1099639408, now seen corresponding path program 1 times
[2024-12-02 13:42:56,346 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:42:56,346 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313830143]
[2024-12-02 13:42:56,346 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:42:56,346 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:43:00,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:43:08,255 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:43:08,255 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:43:08,255 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313830143]
[2024-12-02 13:43:08,255 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313830143] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:43:08,255 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:43:08,256 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:43:08,256 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911929931]
[2024-12-02 13:43:08,256 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:43:08,257 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:43:08,258 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:43:08,259 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:43:08,259 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:43:08,260 INFO  L87              Difference]: Start difference. First operand 8721 states and 13067 transitions. Second operand  has 5 states, 5 states have (on average 856.2) internal successors, (4281), 5 states have internal predecessors, (4281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:08,933 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:43:08,933 INFO  L93              Difference]: Finished difference Result 16236 states and 24326 transitions.
[2024-12-02 13:43:08,933 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:43:08,934 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 856.2) internal successors, (4281), 5 states have internal predecessors, (4281), 0 states have call successors, (0), 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 4281
[2024-12-02 13:43:08,935 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:43:08,940 INFO  L225             Difference]: With dead ends: 16236
[2024-12-02 13:43:08,940 INFO  L226             Difference]: Without dead ends: 8721
[2024-12-02 13:43:08,945 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 13:43:08,945 INFO  L435           NwaCegarLoop]: 11211 mSDtfsCounter, 11556 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11556 SdHoareTripleChecker+Valid, 22420 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 13:43:08,945 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11556 Valid, 22420 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 13:43:09,172 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8721 states.
[2024-12-02 13:43:09,223 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8721 to 8721.
[2024-12-02 13:43:09,231 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8721 states, 8720 states have (on average 1.498394495412844) internal successors, (13066), 8720 states have internal predecessors, (13066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:09,242 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8721 states to 8721 states and 13066 transitions.
[2024-12-02 13:43:09,242 INFO  L78                 Accepts]: Start accepts. Automaton has 8721 states and 13066 transitions. Word has length 4281
[2024-12-02 13:43:09,243 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:43:09,243 INFO  L471      AbstractCegarLoop]: Abstraction has 8721 states and 13066 transitions.
[2024-12-02 13:43:09,243 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 856.2) internal successors, (4281), 5 states have internal predecessors, (4281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:09,243 INFO  L276                IsEmpty]: Start isEmpty. Operand 8721 states and 13066 transitions.
[2024-12-02 13:43:09,314 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4283
[2024-12-02 13:43:09,314 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:43:09,316 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:43:09,316 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 13:43:09,316 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:43:09,317 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:43:09,318 INFO  L85        PathProgramCache]: Analyzing trace with hash 930749779, now seen corresponding path program 1 times
[2024-12-02 13:43:09,318 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:43:09,318 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701393001]
[2024-12-02 13:43:09,318 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:43:09,319 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:43:13,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:43:20,763 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:43:20,763 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:43:20,763 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701393001]
[2024-12-02 13:43:20,763 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701393001] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:43:20,763 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:43:20,764 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:43:20,764 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113685835]
[2024-12-02 13:43:20,764 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:43:20,765 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:43:20,765 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:43:20,767 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:43:20,767 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:43:20,768 INFO  L87              Difference]: Start difference. First operand 8721 states and 13066 transitions. Second operand  has 4 states, 4 states have (on average 1070.5) internal successors, (4282), 4 states have internal predecessors, (4282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:21,749 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:43:21,750 INFO  L93              Difference]: Finished difference Result 16236 states and 24324 transitions.
[2024-12-02 13:43:21,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:43:21,751 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1070.5) internal successors, (4282), 4 states have internal predecessors, (4282), 0 states have call successors, (0), 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 4282
[2024-12-02 13:43:21,751 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:43:21,756 INFO  L225             Difference]: With dead ends: 16236
[2024-12-02 13:43:21,757 INFO  L226             Difference]: Without dead ends: 8721
[2024-12-02 13:43:21,761 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:43:21,762 INFO  L435           NwaCegarLoop]: 10995 mSDtfsCounter, 10921 mSDsluCounter, 10989 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10921 SdHoareTripleChecker+Valid, 21984 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:43:21,762 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10921 Valid, 21984 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 13:43:21,769 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8721 states.
[2024-12-02 13:43:21,827 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8721 to 8721.
[2024-12-02 13:43:21,833 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8721 states, 8720 states have (on average 1.498165137614679) internal successors, (13064), 8720 states have internal predecessors, (13064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:21,841 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8721 states to 8721 states and 13064 transitions.
[2024-12-02 13:43:21,841 INFO  L78                 Accepts]: Start accepts. Automaton has 8721 states and 13064 transitions. Word has length 4282
[2024-12-02 13:43:21,842 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:43:21,842 INFO  L471      AbstractCegarLoop]: Abstraction has 8721 states and 13064 transitions.
[2024-12-02 13:43:21,843 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1070.5) internal successors, (4282), 4 states have internal predecessors, (4282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:21,843 INFO  L276                IsEmpty]: Start isEmpty. Operand 8721 states and 13064 transitions.
[2024-12-02 13:43:21,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4284
[2024-12-02 13:43:21,941 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:43:21,942 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:43:21,942 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 13:43:21,942 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:43:21,943 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:43:21,944 INFO  L85        PathProgramCache]: Analyzing trace with hash 1971403880, now seen corresponding path program 1 times
[2024-12-02 13:43:21,944 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:43:21,944 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912423263]
[2024-12-02 13:43:22,010 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:43:22,010 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:43:26,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:43:32,993 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:43:32,993 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:43:32,993 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912423263]
[2024-12-02 13:43:32,993 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912423263] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:43:32,993 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:43:32,994 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:43:32,994 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470106880]
[2024-12-02 13:43:32,994 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:43:32,996 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:43:32,996 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:43:32,998 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:43:32,998 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:43:32,999 INFO  L87              Difference]: Start difference. First operand 8721 states and 13064 transitions. Second operand  has 5 states, 5 states have (on average 856.6) internal successors, (4283), 5 states have internal predecessors, (4283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:33,170 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:43:33,170 INFO  L93              Difference]: Finished difference Result 16237 states and 24322 transitions.
[2024-12-02 13:43:33,170 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:43:33,171 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 856.6) internal successors, (4283), 5 states have internal predecessors, (4283), 0 states have call successors, (0), 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 4283
[2024-12-02 13:43:33,172 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:43:33,177 INFO  L225             Difference]: With dead ends: 16237
[2024-12-02 13:43:33,177 INFO  L226             Difference]: Without dead ends: 8722
[2024-12-02 13:43:33,181 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 13:43:33,181 INFO  L435           NwaCegarLoop]: 11583 mSDtfsCounter, 10929 mSDsluCounter, 23161 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10929 SdHoareTripleChecker+Valid, 34744 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:43:33,182 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10929 Valid, 34744 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:43:33,188 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8722 states.
[2024-12-02 13:43:33,485 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8722 to 8722.
[2024-12-02 13:43:33,492 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8722 states, 8721 states have (on average 1.498108015135879) internal successors, (13065), 8721 states have internal predecessors, (13065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:33,499 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8722 states to 8722 states and 13065 transitions.
[2024-12-02 13:43:33,499 INFO  L78                 Accepts]: Start accepts. Automaton has 8722 states and 13065 transitions. Word has length 4283
[2024-12-02 13:43:33,499 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:43:33,499 INFO  L471      AbstractCegarLoop]: Abstraction has 8722 states and 13065 transitions.
[2024-12-02 13:43:33,500 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 856.6) internal successors, (4283), 5 states have internal predecessors, (4283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:33,500 INFO  L276                IsEmpty]: Start isEmpty. Operand 8722 states and 13065 transitions.
[2024-12-02 13:43:33,570 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4284
[2024-12-02 13:43:33,570 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:43:33,571 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:43:33,571 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 13:43:33,571 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:43:33,572 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:43:33,574 INFO  L85        PathProgramCache]: Analyzing trace with hash 973135912, now seen corresponding path program 1 times
[2024-12-02 13:43:33,574 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:43:33,574 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254866763]
[2024-12-02 13:43:33,575 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:43:33,575 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:43:37,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:43:43,735 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:43:43,735 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:43:43,736 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254866763]
[2024-12-02 13:43:43,736 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254866763] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:43:43,736 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:43:43,736 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:43:43,736 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410629574]
[2024-12-02 13:43:43,736 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:43:43,738 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:43:43,738 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:43:43,740 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:43:43,741 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:43:43,741 INFO  L87              Difference]: Start difference. First operand 8722 states and 13065 transitions. Second operand  has 5 states, 5 states have (on average 856.6) internal successors, (4283), 5 states have internal predecessors, (4283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:44,360 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:43:44,360 INFO  L93              Difference]: Finished difference Result 16238 states and 24322 transitions.
[2024-12-02 13:43:44,361 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:43:44,361 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 856.6) internal successors, (4283), 5 states have internal predecessors, (4283), 0 states have call successors, (0), 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 4283
[2024-12-02 13:43:44,362 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:43:44,367 INFO  L225             Difference]: With dead ends: 16238
[2024-12-02 13:43:44,367 INFO  L226             Difference]: Without dead ends: 8722
[2024-12-02 13:43:44,371 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 13:43:44,372 INFO  L435           NwaCegarLoop]: 11211 mSDtfsCounter, 22443 mSDsluCounter, 11208 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22443 SdHoareTripleChecker+Valid, 22419 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:43:44,372 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22443 Valid, 22419 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:43:44,381 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8722 states.
[2024-12-02 13:43:44,444 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8722 to 8722.
[2024-12-02 13:43:44,451 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8722 states, 8721 states have (on average 1.4979933493865383) internal successors, (13064), 8721 states have internal predecessors, (13064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:44,458 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8722 states to 8722 states and 13064 transitions.
[2024-12-02 13:43:44,459 INFO  L78                 Accepts]: Start accepts. Automaton has 8722 states and 13064 transitions. Word has length 4283
[2024-12-02 13:43:44,459 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:43:44,459 INFO  L471      AbstractCegarLoop]: Abstraction has 8722 states and 13064 transitions.
[2024-12-02 13:43:44,460 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 856.6) internal successors, (4283), 5 states have internal predecessors, (4283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:44,460 INFO  L276                IsEmpty]: Start isEmpty. Operand 8722 states and 13064 transitions.
[2024-12-02 13:43:44,531 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4285
[2024-12-02 13:43:44,531 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:43:44,532 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:43:44,532 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 13:43:44,533 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:43:44,534 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:43:44,534 INFO  L85        PathProgramCache]: Analyzing trace with hash -339126060, now seen corresponding path program 1 times
[2024-12-02 13:43:44,535 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:43:44,535 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085866325]
[2024-12-02 13:43:44,535 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:43:44,535 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:43:48,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:43:55,673 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:43:55,673 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:43:55,673 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085866325]
[2024-12-02 13:43:55,673 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085866325] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:43:55,673 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:43:55,674 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:43:55,674 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020123672]
[2024-12-02 13:43:55,674 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:43:55,677 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:43:55,677 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:43:55,679 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:43:55,679 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:43:55,680 INFO  L87              Difference]: Start difference. First operand 8722 states and 13064 transitions. Second operand  has 4 states, 4 states have (on average 1071.0) internal successors, (4284), 4 states have internal predecessors, (4284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:56,618 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:43:56,618 INFO  L93              Difference]: Finished difference Result 16238 states and 24320 transitions.
[2024-12-02 13:43:56,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:43:56,620 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1071.0) internal successors, (4284), 4 states have internal predecessors, (4284), 0 states have call successors, (0), 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 4284
[2024-12-02 13:43:56,620 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:43:56,625 INFO  L225             Difference]: With dead ends: 16238
[2024-12-02 13:43:56,625 INFO  L226             Difference]: Without dead ends: 8722
[2024-12-02 13:43:56,630 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:43:56,630 INFO  L435           NwaCegarLoop]: 10994 mSDtfsCounter, 10904 mSDsluCounter, 10988 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10904 SdHoareTripleChecker+Valid, 21982 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:43:56,630 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10904 Valid, 21982 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 13:43:56,637 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8722 states.
[2024-12-02 13:43:56,685 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8722 to 8722.
[2024-12-02 13:43:56,691 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8722 states, 8721 states have (on average 1.4977640178878568) internal successors, (13062), 8721 states have internal predecessors, (13062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:56,698 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8722 states to 8722 states and 13062 transitions.
[2024-12-02 13:43:56,698 INFO  L78                 Accepts]: Start accepts. Automaton has 8722 states and 13062 transitions. Word has length 4284
[2024-12-02 13:43:56,699 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:43:56,699 INFO  L471      AbstractCegarLoop]: Abstraction has 8722 states and 13062 transitions.
[2024-12-02 13:43:56,700 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1071.0) internal successors, (4284), 4 states have internal predecessors, (4284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:43:56,700 INFO  L276                IsEmpty]: Start isEmpty. Operand 8722 states and 13062 transitions.
[2024-12-02 13:43:56,807 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4286
[2024-12-02 13:43:56,808 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:43:56,809 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:43:56,809 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 13:43:56,809 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:43:56,810 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:43:56,811 INFO  L85        PathProgramCache]: Analyzing trace with hash -1274324960, now seen corresponding path program 1 times
[2024-12-02 13:43:56,811 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:43:56,811 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167350944]
[2024-12-02 13:43:56,811 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:43:56,811 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:00,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:44:07,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:44:07,211 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:44:07,211 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167350944]
[2024-12-02 13:44:07,211 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167350944] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:44:07,211 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:44:07,212 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:44:07,212 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440775030]
[2024-12-02 13:44:07,212 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:44:07,223 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:44:07,223 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:44:07,225 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:44:07,225 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:44:07,226 INFO  L87              Difference]: Start difference. First operand 8722 states and 13062 transitions. Second operand  has 5 states, 5 states have (on average 857.0) internal successors, (4285), 5 states have internal predecessors, (4285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:07,389 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:44:07,389 INFO  L93              Difference]: Finished difference Result 16239 states and 24318 transitions.
[2024-12-02 13:44:07,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:44:07,390 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 857.0) internal successors, (4285), 5 states have internal predecessors, (4285), 0 states have call successors, (0), 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 4285
[2024-12-02 13:44:07,390 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:44:07,395 INFO  L225             Difference]: With dead ends: 16239
[2024-12-02 13:44:07,395 INFO  L226             Difference]: Without dead ends: 8723
[2024-12-02 13:44:07,399 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 13:44:07,399 INFO  L435           NwaCegarLoop]: 11582 mSDtfsCounter, 10912 mSDsluCounter, 23159 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10912 SdHoareTripleChecker+Valid, 34741 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:44:07,399 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10912 Valid, 34741 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:44:07,405 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8723 states.
[2024-12-02 13:44:07,452 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8723 to 8723.
[2024-12-02 13:44:07,458 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8723 states, 8722 states have (on average 1.4977069479477183) internal successors, (13063), 8722 states have internal predecessors, (13063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:07,465 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8723 states to 8723 states and 13063 transitions.
[2024-12-02 13:44:07,465 INFO  L78                 Accepts]: Start accepts. Automaton has 8723 states and 13063 transitions. Word has length 4285
[2024-12-02 13:44:07,466 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:44:07,466 INFO  L471      AbstractCegarLoop]: Abstraction has 8723 states and 13063 transitions.
[2024-12-02 13:44:07,466 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 857.0) internal successors, (4285), 5 states have internal predecessors, (4285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:07,466 INFO  L276                IsEmpty]: Start isEmpty. Operand 8723 states and 13063 transitions.
[2024-12-02 13:44:07,535 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4286
[2024-12-02 13:44:07,535 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:44:07,536 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:44:07,536 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 13:44:07,536 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:44:07,537 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:07,537 INFO  L85        PathProgramCache]: Analyzing trace with hash 504536032, now seen corresponding path program 1 times
[2024-12-02 13:44:07,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:07,537 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481934610]
[2024-12-02 13:44:07,538 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:07,538 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:11,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:44:18,311 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:44:18,312 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:44:18,312 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481934610]
[2024-12-02 13:44:18,312 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481934610] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:44:18,312 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:44:18,313 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:44:18,313 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002645643]
[2024-12-02 13:44:18,313 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:44:18,315 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:44:18,315 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:44:18,317 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:44:18,317 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:44:18,318 INFO  L87              Difference]: Start difference. First operand 8723 states and 13063 transitions. Second operand  has 5 states, 5 states have (on average 857.0) internal successors, (4285), 5 states have internal predecessors, (4285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:18,953 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:44:18,953 INFO  L93              Difference]: Finished difference Result 16240 states and 24318 transitions.
[2024-12-02 13:44:18,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:44:18,954 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 857.0) internal successors, (4285), 5 states have internal predecessors, (4285), 0 states have call successors, (0), 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 4285
[2024-12-02 13:44:18,955 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:44:18,960 INFO  L225             Difference]: With dead ends: 16240
[2024-12-02 13:44:18,960 INFO  L226             Difference]: Without dead ends: 8723
[2024-12-02 13:44:18,964 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 13:44:18,964 INFO  L435           NwaCegarLoop]: 11207 mSDtfsCounter, 22337 mSDsluCounter, 11204 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22337 SdHoareTripleChecker+Valid, 22411 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:44:18,965 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22337 Valid, 22411 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:44:18,971 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8723 states.
[2024-12-02 13:44:19,020 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8723 to 8723.
[2024-12-02 13:44:19,027 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8723 states, 8722 states have (on average 1.4975922953451044) internal successors, (13062), 8722 states have internal predecessors, (13062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:19,034 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8723 states to 8723 states and 13062 transitions.
[2024-12-02 13:44:19,034 INFO  L78                 Accepts]: Start accepts. Automaton has 8723 states and 13062 transitions. Word has length 4285
[2024-12-02 13:44:19,034 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:44:19,034 INFO  L471      AbstractCegarLoop]: Abstraction has 8723 states and 13062 transitions.
[2024-12-02 13:44:19,035 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 857.0) internal successors, (4285), 5 states have internal predecessors, (4285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:19,035 INFO  L276                IsEmpty]: Start isEmpty. Operand 8723 states and 13062 transitions.
[2024-12-02 13:44:19,153 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4287
[2024-12-02 13:44:19,153 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:44:19,154 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:44:19,154 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 13:44:19,154 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:44:19,155 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:19,155 INFO  L85        PathProgramCache]: Analyzing trace with hash 621945788, now seen corresponding path program 1 times
[2024-12-02 13:44:19,155 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:19,156 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890851128]
[2024-12-02 13:44:19,156 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:19,156 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:22,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:44:30,449 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:44:30,449 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:44:30,449 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890851128]
[2024-12-02 13:44:30,449 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890851128] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:44:30,449 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:44:30,450 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:44:30,450 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901892730]
[2024-12-02 13:44:30,450 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:44:30,451 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:44:30,451 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:44:30,453 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:44:30,453 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:44:30,453 INFO  L87              Difference]: Start difference. First operand 8723 states and 13062 transitions. Second operand  has 4 states, 4 states have (on average 1071.5) internal successors, (4286), 4 states have internal predecessors, (4286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:31,357 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:44:31,357 INFO  L93              Difference]: Finished difference Result 16240 states and 24316 transitions.
[2024-12-02 13:44:31,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:44:31,358 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1071.5) internal successors, (4286), 4 states have internal predecessors, (4286), 0 states have call successors, (0), 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 4286
[2024-12-02 13:44:31,358 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:44:31,363 INFO  L225             Difference]: With dead ends: 16240
[2024-12-02 13:44:31,363 INFO  L226             Difference]: Without dead ends: 8723
[2024-12-02 13:44:31,367 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:44:31,368 INFO  L435           NwaCegarLoop]: 10993 mSDtfsCounter, 10845 mSDsluCounter, 10988 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10845 SdHoareTripleChecker+Valid, 21981 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 13:44:31,368 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10845 Valid, 21981 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 13:44:31,376 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8723 states.
[2024-12-02 13:44:31,421 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8723 to 8723.
[2024-12-02 13:44:31,427 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8723 states, 8722 states have (on average 1.4973629901398762) internal successors, (13060), 8722 states have internal predecessors, (13060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:31,434 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8723 states to 8723 states and 13060 transitions.
[2024-12-02 13:44:31,435 INFO  L78                 Accepts]: Start accepts. Automaton has 8723 states and 13060 transitions. Word has length 4286
[2024-12-02 13:44:31,435 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:44:31,435 INFO  L471      AbstractCegarLoop]: Abstraction has 8723 states and 13060 transitions.
[2024-12-02 13:44:31,436 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1071.5) internal successors, (4286), 4 states have internal predecessors, (4286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:31,436 INFO  L276                IsEmpty]: Start isEmpty. Operand 8723 states and 13060 transitions.
[2024-12-02 13:44:31,505 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4288
[2024-12-02 13:44:31,505 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:44:31,505 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:44:31,506 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 13:44:31,506 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:44:31,506 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:31,507 INFO  L85        PathProgramCache]: Analyzing trace with hash -1603614248, now seen corresponding path program 1 times
[2024-12-02 13:44:31,507 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:31,507 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513650059]
[2024-12-02 13:44:31,507 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:31,507 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:34,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:44:41,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:44:41,817 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:44:41,817 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513650059]
[2024-12-02 13:44:41,817 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513650059] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:44:41,817 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:44:41,818 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:44:41,818 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807133169]
[2024-12-02 13:44:41,818 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:44:41,819 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:44:41,819 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:44:41,822 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:44:41,822 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:44:41,822 INFO  L87              Difference]: Start difference. First operand 8723 states and 13060 transitions. Second operand  has 5 states, 5 states have (on average 857.4) internal successors, (4287), 5 states have internal predecessors, (4287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:41,994 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:44:41,994 INFO  L93              Difference]: Finished difference Result 16241 states and 24314 transitions.
[2024-12-02 13:44:41,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:44:41,995 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 857.4) internal successors, (4287), 5 states have internal predecessors, (4287), 0 states have call successors, (0), 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 4287
[2024-12-02 13:44:41,996 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:44:42,001 INFO  L225             Difference]: With dead ends: 16241
[2024-12-02 13:44:42,001 INFO  L226             Difference]: Without dead ends: 8724
[2024-12-02 13:44:42,005 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 13:44:42,005 INFO  L435           NwaCegarLoop]: 11577 mSDtfsCounter, 10859 mSDsluCounter, 23149 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10859 SdHoareTripleChecker+Valid, 34726 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:44:42,006 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10859 Valid, 34726 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:44:42,012 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8724 states.
[2024-12-02 13:44:42,059 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8724 to 8724.
[2024-12-02 13:44:42,065 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8724 states, 8723 states have (on average 1.4973059727158087) internal successors, (13061), 8723 states have internal predecessors, (13061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:42,072 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8724 states to 8724 states and 13061 transitions.
[2024-12-02 13:44:42,072 INFO  L78                 Accepts]: Start accepts. Automaton has 8724 states and 13061 transitions. Word has length 4287
[2024-12-02 13:44:42,073 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:44:42,073 INFO  L471      AbstractCegarLoop]: Abstraction has 8724 states and 13061 transitions.
[2024-12-02 13:44:42,074 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 857.4) internal successors, (4287), 5 states have internal predecessors, (4287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:42,074 INFO  L276                IsEmpty]: Start isEmpty. Operand 8724 states and 13061 transitions.
[2024-12-02 13:44:42,160 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4288
[2024-12-02 13:44:42,160 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:44:42,161 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:44:42,161 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 13:44:42,161 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:44:42,162 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:42,163 INFO  L85        PathProgramCache]: Analyzing trace with hash -1863283304, now seen corresponding path program 1 times
[2024-12-02 13:44:42,163 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:42,163 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798978351]
[2024-12-02 13:44:42,163 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:42,163 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:46,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:44:52,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:44:52,877 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:44:52,877 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798978351]
[2024-12-02 13:44:52,877 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798978351] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:44:52,877 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:44:52,877 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:44:52,877 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592652527]
[2024-12-02 13:44:52,878 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:44:52,879 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:44:52,879 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:44:52,883 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:44:52,883 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:44:52,884 INFO  L87              Difference]: Start difference. First operand 8724 states and 13061 transitions. Second operand  has 5 states, 5 states have (on average 857.4) internal successors, (4287), 5 states have internal predecessors, (4287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:53,499 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:44:53,499 INFO  L93              Difference]: Finished difference Result 16242 states and 24314 transitions.
[2024-12-02 13:44:53,500 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:44:53,501 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 857.4) internal successors, (4287), 5 states have internal predecessors, (4287), 0 states have call successors, (0), 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 4287
[2024-12-02 13:44:53,501 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:44:53,507 INFO  L225             Difference]: With dead ends: 16242
[2024-12-02 13:44:53,507 INFO  L226             Difference]: Without dead ends: 8724
[2024-12-02 13:44:53,511 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 13:44:53,512 INFO  L435           NwaCegarLoop]: 11207 mSDtfsCounter, 11469 mSDsluCounter, 11205 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11469 SdHoareTripleChecker+Valid, 22412 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:44:53,512 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11469 Valid, 22412 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:44:53,519 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8724 states.
[2024-12-02 13:44:53,568 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8724 to 8724.
[2024-12-02 13:44:53,575 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8724 states, 8723 states have (on average 1.4971913332569071) internal successors, (13060), 8723 states have internal predecessors, (13060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:53,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8724 states to 8724 states and 13060 transitions.
[2024-12-02 13:44:53,583 INFO  L78                 Accepts]: Start accepts. Automaton has 8724 states and 13060 transitions. Word has length 4287
[2024-12-02 13:44:53,584 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:44:53,584 INFO  L471      AbstractCegarLoop]: Abstraction has 8724 states and 13060 transitions.
[2024-12-02 13:44:53,584 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 857.4) internal successors, (4287), 5 states have internal predecessors, (4287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:53,584 INFO  L276                IsEmpty]: Start isEmpty. Operand 8724 states and 13060 transitions.
[2024-12-02 13:44:53,654 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4289
[2024-12-02 13:44:53,654 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:44:53,655 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:44:53,655 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 13:44:53,655 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:44:53,656 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:53,656 INFO  L85        PathProgramCache]: Analyzing trace with hash -1254330467, now seen corresponding path program 1 times
[2024-12-02 13:44:53,656 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:53,656 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691406292]
[2024-12-02 13:44:53,657 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:53,657 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:58,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:45:06,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:45:06,363 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:45:06,363 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691406292]
[2024-12-02 13:45:06,363 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691406292] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:45:06,363 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:45:06,364 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:45:06,364 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173743733]
[2024-12-02 13:45:06,364 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:45:06,365 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:45:06,365 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:45:06,367 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:45:06,367 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:45:06,367 INFO  L87              Difference]: Start difference. First operand 8724 states and 13060 transitions. Second operand  has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:07,374 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:45:07,375 INFO  L93              Difference]: Finished difference Result 16242 states and 24312 transitions.
[2024-12-02 13:45:07,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:45:07,376 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 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 4288
[2024-12-02 13:45:07,376 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:45:07,381 INFO  L225             Difference]: With dead ends: 16242
[2024-12-02 13:45:07,381 INFO  L226             Difference]: Without dead ends: 8724
[2024-12-02 13:45:07,385 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:45:07,385 INFO  L435           NwaCegarLoop]: 10992 mSDtfsCounter, 10834 mSDsluCounter, 10986 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10834 SdHoareTripleChecker+Valid, 21978 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:45:07,385 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10834 Valid, 21978 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 13:45:07,391 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8724 states.
[2024-12-02 13:45:07,440 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8724 to 8724.
[2024-12-02 13:45:07,446 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8724 states, 8723 states have (on average 1.4969620543391036) internal successors, (13058), 8723 states have internal predecessors, (13058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:07,454 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8724 states to 8724 states and 13058 transitions.
[2024-12-02 13:45:07,454 INFO  L78                 Accepts]: Start accepts. Automaton has 8724 states and 13058 transitions. Word has length 4288
[2024-12-02 13:45:07,454 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:45:07,454 INFO  L471      AbstractCegarLoop]: Abstraction has 8724 states and 13058 transitions.
[2024-12-02 13:45:07,455 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:07,455 INFO  L276                IsEmpty]: Start isEmpty. Operand 8724 states and 13058 transitions.
[2024-12-02 13:45:07,524 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4290
[2024-12-02 13:45:07,524 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:45:07,525 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:45:07,525 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 13:45:07,525 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:45:07,526 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:45:07,526 INFO  L85        PathProgramCache]: Analyzing trace with hash -1678642000, now seen corresponding path program 1 times
[2024-12-02 13:45:07,526 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:45:07,526 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125629519]
[2024-12-02 13:45:07,527 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:45:07,527 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:45:11,130 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:45:18,157 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:45:18,157 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:45:18,157 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125629519]
[2024-12-02 13:45:18,158 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125629519] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:45:18,158 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:45:18,158 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:45:18,158 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789318268]
[2024-12-02 13:45:18,158 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:45:18,160 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:45:18,160 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:45:18,161 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:45:18,161 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:45:18,162 INFO  L87              Difference]: Start difference. First operand 8724 states and 13058 transitions. Second operand  has 5 states, 5 states have (on average 857.8) internal successors, (4289), 5 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:18,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:45:18,313 INFO  L93              Difference]: Finished difference Result 16243 states and 24310 transitions.
[2024-12-02 13:45:18,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:45:18,315 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 857.8) internal successors, (4289), 5 states have internal predecessors, (4289), 0 states have call successors, (0), 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 4289
[2024-12-02 13:45:18,315 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:45:18,320 INFO  L225             Difference]: With dead ends: 16243
[2024-12-02 13:45:18,321 INFO  L226             Difference]: Without dead ends: 8725
[2024-12-02 13:45:18,324 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 13:45:18,325 INFO  L435           NwaCegarLoop]: 11576 mSDtfsCounter, 10842 mSDsluCounter, 23147 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10842 SdHoareTripleChecker+Valid, 34723 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:45:18,325 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10842 Valid, 34723 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:45:18,331 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8725 states.
[2024-12-02 13:45:18,378 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8725 to 8725.
[2024-12-02 13:45:18,383 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8725 states, 8724 states have (on average 1.4969050894085283) internal successors, (13059), 8724 states have internal predecessors, (13059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:18,390 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8725 states to 8725 states and 13059 transitions.
[2024-12-02 13:45:18,391 INFO  L78                 Accepts]: Start accepts. Automaton has 8725 states and 13059 transitions. Word has length 4289
[2024-12-02 13:45:18,391 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:45:18,391 INFO  L471      AbstractCegarLoop]: Abstraction has 8725 states and 13059 transitions.
[2024-12-02 13:45:18,392 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 857.8) internal successors, (4289), 5 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:18,392 INFO  L276                IsEmpty]: Start isEmpty. Operand 8725 states and 13059 transitions.
[2024-12-02 13:45:18,461 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4290
[2024-12-02 13:45:18,461 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:45:18,462 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:45:18,462 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 13:45:18,462 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:45:18,462 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:45:18,463 INFO  L85        PathProgramCache]: Analyzing trace with hash 1915705456, now seen corresponding path program 1 times
[2024-12-02 13:45:18,463 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:45:18,463 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074101150]
[2024-12-02 13:45:18,463 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:45:18,463 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:45:21,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:45:28,244 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:45:28,244 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:45:28,244 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074101150]
[2024-12-02 13:45:28,244 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074101150] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:45:28,244 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:45:28,245 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:45:28,245 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755172082]
[2024-12-02 13:45:28,245 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:45:28,246 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:45:28,246 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:45:28,248 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:45:28,248 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:45:28,248 INFO  L87              Difference]: Start difference. First operand 8725 states and 13059 transitions. Second operand  has 5 states, 5 states have (on average 857.8) internal successors, (4289), 5 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:28,886 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:45:28,886 INFO  L93              Difference]: Finished difference Result 16244 states and 24310 transitions.
[2024-12-02 13:45:28,886 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:45:28,887 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 857.8) internal successors, (4289), 5 states have internal predecessors, (4289), 0 states have call successors, (0), 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 4289
[2024-12-02 13:45:28,887 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:45:28,892 INFO  L225             Difference]: With dead ends: 16244
[2024-12-02 13:45:28,892 INFO  L226             Difference]: Without dead ends: 8725
[2024-12-02 13:45:28,894 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 13:45:28,894 INFO  L435           NwaCegarLoop]: 11205 mSDtfsCounter, 11416 mSDsluCounter, 11203 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11416 SdHoareTripleChecker+Valid, 22408 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:45:28,894 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11416 Valid, 22408 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:45:28,900 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8725 states.
[2024-12-02 13:45:28,945 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8725 to 8725.
[2024-12-02 13:45:28,951 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8725 states, 8724 states have (on average 1.4967904630903255) internal successors, (13058), 8724 states have internal predecessors, (13058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:28,958 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8725 states to 8725 states and 13058 transitions.
[2024-12-02 13:45:28,958 INFO  L78                 Accepts]: Start accepts. Automaton has 8725 states and 13058 transitions. Word has length 4289
[2024-12-02 13:45:28,959 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:45:28,959 INFO  L471      AbstractCegarLoop]: Abstraction has 8725 states and 13058 transitions.
[2024-12-02 13:45:28,959 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 857.8) internal successors, (4289), 5 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:28,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 8725 states and 13058 transitions.
[2024-12-02 13:45:29,028 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4291
[2024-12-02 13:45:29,028 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:45:29,029 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:45:29,029 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-12-02 13:45:29,029 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:45:29,030 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:45:29,030 INFO  L85        PathProgramCache]: Analyzing trace with hash -344572059, now seen corresponding path program 1 times
[2024-12-02 13:45:29,030 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:45:29,030 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287268025]
[2024-12-02 13:45:29,030 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:45:29,031 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:45:33,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:45:40,120 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:45:40,120 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:45:40,120 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287268025]
[2024-12-02 13:45:40,120 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287268025] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:45:40,120 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:45:40,121 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:45:40,121 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612362982]
[2024-12-02 13:45:40,121 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:45:40,124 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:45:40,124 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:45:40,127 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:45:40,127 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:45:40,128 INFO  L87              Difference]: Start difference. First operand 8725 states and 13058 transitions. Second operand  has 4 states, 4 states have (on average 1072.5) internal successors, (4290), 4 states have internal predecessors, (4290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:41,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:45:41,045 INFO  L93              Difference]: Finished difference Result 16244 states and 24308 transitions.
[2024-12-02 13:45:41,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:45:41,046 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1072.5) internal successors, (4290), 4 states have internal predecessors, (4290), 0 states have call successors, (0), 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 4290
[2024-12-02 13:45:41,046 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:45:41,051 INFO  L225             Difference]: With dead ends: 16244
[2024-12-02 13:45:41,052 INFO  L226             Difference]: Without dead ends: 8725
[2024-12-02 13:45:41,055 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:45:41,056 INFO  L435           NwaCegarLoop]: 10991 mSDtfsCounter, 10781 mSDsluCounter, 10985 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10781 SdHoareTripleChecker+Valid, 21976 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 13:45:41,056 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10781 Valid, 21976 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 13:45:41,062 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8725 states.
[2024-12-02 13:45:41,113 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8725 to 8725.
[2024-12-02 13:45:41,119 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8725 states, 8724 states have (on average 1.4965612104539203) internal successors, (13056), 8724 states have internal predecessors, (13056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:41,127 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8725 states to 8725 states and 13056 transitions.
[2024-12-02 13:45:41,127 INFO  L78                 Accepts]: Start accepts. Automaton has 8725 states and 13056 transitions. Word has length 4290
[2024-12-02 13:45:41,127 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:45:41,127 INFO  L471      AbstractCegarLoop]: Abstraction has 8725 states and 13056 transitions.
[2024-12-02 13:45:41,128 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1072.5) internal successors, (4290), 4 states have internal predecessors, (4290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:41,128 INFO  L276                IsEmpty]: Start isEmpty. Operand 8725 states and 13056 transitions.
[2024-12-02 13:45:41,198 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4292
[2024-12-02 13:45:41,198 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:45:41,199 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:45:41,199 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-02 13:45:41,200 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:45:41,200 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:45:41,201 INFO  L85        PathProgramCache]: Analyzing trace with hash 1242901896, now seen corresponding path program 1 times
[2024-12-02 13:45:41,201 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:45:41,201 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308180078]
[2024-12-02 13:45:41,201 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:45:41,201 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:45:45,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:45:51,112 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:45:51,112 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:45:51,112 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308180078]
[2024-12-02 13:45:51,112 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308180078] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:45:51,112 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:45:51,113 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:45:51,113 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725126454]
[2024-12-02 13:45:51,113 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:45:51,114 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:45:51,114 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:45:51,116 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:45:51,116 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:45:51,117 INFO  L87              Difference]: Start difference. First operand 8725 states and 13056 transitions. Second operand  has 5 states, 5 states have (on average 858.2) internal successors, (4291), 5 states have internal predecessors, (4291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:51,265 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:45:51,265 INFO  L93              Difference]: Finished difference Result 16245 states and 24306 transitions.
[2024-12-02 13:45:51,266 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:45:51,266 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 858.2) internal successors, (4291), 5 states have internal predecessors, (4291), 0 states have call successors, (0), 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 4291
[2024-12-02 13:45:51,267 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:45:51,272 INFO  L225             Difference]: With dead ends: 16245
[2024-12-02 13:45:51,272 INFO  L226             Difference]: Without dead ends: 8726
[2024-12-02 13:45:51,276 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 13:45:51,276 INFO  L435           NwaCegarLoop]: 11573 mSDtfsCounter, 10789 mSDsluCounter, 23141 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10789 SdHoareTripleChecker+Valid, 34714 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:45:51,276 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10789 Valid, 34714 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:45:51,283 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8726 states.
[2024-12-02 13:45:51,331 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8726 to 8726.
[2024-12-02 13:45:51,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8726 states, 8725 states have (on average 1.4965042979942693) internal successors, (13057), 8725 states have internal predecessors, (13057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:51,345 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8726 states to 8726 states and 13057 transitions.
[2024-12-02 13:45:51,346 INFO  L78                 Accepts]: Start accepts. Automaton has 8726 states and 13057 transitions. Word has length 4291
[2024-12-02 13:45:51,346 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:45:51,346 INFO  L471      AbstractCegarLoop]: Abstraction has 8726 states and 13057 transitions.
[2024-12-02 13:45:51,347 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 858.2) internal successors, (4291), 5 states have internal predecessors, (4291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:45:51,347 INFO  L276                IsEmpty]: Start isEmpty. Operand 8726 states and 13057 transitions.
[2024-12-02 13:45:51,434 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4292
[2024-12-02 13:45:51,434 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:45:51,435 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:45:51,435 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-12-02 13:45:51,435 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:45:51,435 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:45:51,436 INFO  L85        PathProgramCache]: Analyzing trace with hash 2005995848, now seen corresponding path program 1 times
[2024-12-02 13:45:51,436 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:45:51,436 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710760066]
[2024-12-02 13:45:51,436 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:45:51,436 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:45:56,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:46:03,289 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:46:03,289 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:46:03,289 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710760066]
[2024-12-02 13:46:03,289 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710760066] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:46:03,289 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:46:03,289 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:46:03,289 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690463148]
[2024-12-02 13:46:03,290 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:46:03,292 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:46:03,292 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:46:03,293 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:46:03,294 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:46:03,294 INFO  L87              Difference]: Start difference. First operand 8726 states and 13057 transitions. Second operand  has 5 states, 5 states have (on average 858.2) internal successors, (4291), 5 states have internal predecessors, (4291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:03,926 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:46:03,926 INFO  L93              Difference]: Finished difference Result 16246 states and 24306 transitions.
[2024-12-02 13:46:03,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:46:03,927 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 858.2) internal successors, (4291), 5 states have internal predecessors, (4291), 0 states have call successors, (0), 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 4291
[2024-12-02 13:46:03,928 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:46:03,933 INFO  L225             Difference]: With dead ends: 16246
[2024-12-02 13:46:03,933 INFO  L226             Difference]: Without dead ends: 8726
[2024-12-02 13:46:03,937 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 13:46:03,937 INFO  L435           NwaCegarLoop]: 11201 mSDtfsCounter, 22119 mSDsluCounter, 11198 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22119 SdHoareTripleChecker+Valid, 22399 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:46:03,937 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22119 Valid, 22399 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:46:03,943 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8726 states.
[2024-12-02 13:46:03,992 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8726 to 8726.
[2024-12-02 13:46:03,999 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8726 states, 8725 states have (on average 1.4963896848137537) internal successors, (13056), 8725 states have internal predecessors, (13056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:04,006 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8726 states to 8726 states and 13056 transitions.
[2024-12-02 13:46:04,006 INFO  L78                 Accepts]: Start accepts. Automaton has 8726 states and 13056 transitions. Word has length 4291
[2024-12-02 13:46:04,007 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:46:04,007 INFO  L471      AbstractCegarLoop]: Abstraction has 8726 states and 13056 transitions.
[2024-12-02 13:46:04,008 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 858.2) internal successors, (4291), 5 states have internal predecessors, (4291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:04,008 INFO  L276                IsEmpty]: Start isEmpty. Operand 8726 states and 13056 transitions.
[2024-12-02 13:46:04,078 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4293
[2024-12-02 13:46:04,078 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:46:04,079 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:46:04,079 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-02 13:46:04,079 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:46:04,080 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:46:04,080 INFO  L85        PathProgramCache]: Analyzing trace with hash -1761955175, now seen corresponding path program 1 times
[2024-12-02 13:46:04,080 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:46:04,081 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33379504]
[2024-12-02 13:46:04,081 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:46:04,081 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:46:07,883 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:46:15,436 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:46:15,436 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:46:15,437 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33379504]
[2024-12-02 13:46:15,437 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33379504] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:46:15,437 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:46:15,438 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:46:15,438 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049857754]
[2024-12-02 13:46:15,438 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:46:15,441 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:46:15,441 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:46:15,443 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:46:15,443 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:46:15,444 INFO  L87              Difference]: Start difference. First operand 8726 states and 13056 transitions. Second operand  has 4 states, 4 states have (on average 1073.0) internal successors, (4292), 4 states have internal predecessors, (4292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:16,611 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:46:16,611 INFO  L93              Difference]: Finished difference Result 16246 states and 24304 transitions.
[2024-12-02 13:46:16,612 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:46:16,612 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1073.0) internal successors, (4292), 4 states have internal predecessors, (4292), 0 states have call successors, (0), 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 4292
[2024-12-02 13:46:16,613 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:46:16,617 INFO  L225             Difference]: With dead ends: 16246
[2024-12-02 13:46:16,617 INFO  L226             Difference]: Without dead ends: 8726
[2024-12-02 13:46:16,620 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:46:16,621 INFO  L435           NwaCegarLoop]: 10990 mSDtfsCounter, 10742 mSDsluCounter, 10984 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10742 SdHoareTripleChecker+Valid, 21974 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:46:16,621 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10742 Valid, 21974 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 13:46:16,627 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8726 states.
[2024-12-02 13:46:16,677 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8726 to 8726.
[2024-12-02 13:46:16,683 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8726 states, 8725 states have (on average 1.4961604584527222) internal successors, (13054), 8725 states have internal predecessors, (13054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:16,691 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8726 states to 8726 states and 13054 transitions.
[2024-12-02 13:46:16,691 INFO  L78                 Accepts]: Start accepts. Automaton has 8726 states and 13054 transitions. Word has length 4292
[2024-12-02 13:46:16,692 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:46:16,692 INFO  L471      AbstractCegarLoop]: Abstraction has 8726 states and 13054 transitions.
[2024-12-02 13:46:16,692 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1073.0) internal successors, (4292), 4 states have internal predecessors, (4292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:16,692 INFO  L276                IsEmpty]: Start isEmpty. Operand 8726 states and 13054 transitions.
[2024-12-02 13:46:16,767 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4294
[2024-12-02 13:46:16,767 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:46:16,769 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:46:16,769 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-12-02 13:46:16,769 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:46:16,770 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:46:16,771 INFO  L85        PathProgramCache]: Analyzing trace with hash -868659232, now seen corresponding path program 1 times
[2024-12-02 13:46:16,771 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:46:16,771 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005781307]
[2024-12-02 13:46:16,772 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:46:16,772 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:46:20,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:46:27,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:46:27,213 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:46:27,213 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005781307]
[2024-12-02 13:46:27,213 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005781307] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:46:27,213 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:46:27,213 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:46:27,213 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708465169]
[2024-12-02 13:46:27,213 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:46:27,216 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:46:27,216 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:46:27,217 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:46:27,217 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:46:27,218 INFO  L87              Difference]: Start difference. First operand 8726 states and 13054 transitions. Second operand  has 5 states, 5 states have (on average 858.6) internal successors, (4293), 5 states have internal predecessors, (4293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:27,536 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:46:27,536 INFO  L93              Difference]: Finished difference Result 16247 states and 24302 transitions.
[2024-12-02 13:46:27,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:46:27,537 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 858.6) internal successors, (4293), 5 states have internal predecessors, (4293), 0 states have call successors, (0), 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 4293
[2024-12-02 13:46:27,538 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:46:27,542 INFO  L225             Difference]: With dead ends: 16247
[2024-12-02 13:46:27,542 INFO  L226             Difference]: Without dead ends: 8727
[2024-12-02 13:46:27,546 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 13:46:27,546 INFO  L435           NwaCegarLoop]: 11568 mSDtfsCounter, 10750 mSDsluCounter, 23131 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10750 SdHoareTripleChecker+Valid, 34699 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:46:27,546 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10750 Valid, 34699 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:46:27,552 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8727 states.
[2024-12-02 13:46:27,597 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8727 to 8727.
[2024-12-02 13:46:27,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8727 states, 8726 states have (on average 1.4961035984414395) internal successors, (13055), 8726 states have internal predecessors, (13055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:27,611 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8727 states to 8727 states and 13055 transitions.
[2024-12-02 13:46:27,611 INFO  L78                 Accepts]: Start accepts. Automaton has 8727 states and 13055 transitions. Word has length 4293
[2024-12-02 13:46:27,612 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:46:27,612 INFO  L471      AbstractCegarLoop]: Abstraction has 8727 states and 13055 transitions.
[2024-12-02 13:46:27,613 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 858.6) internal successors, (4293), 5 states have internal predecessors, (4293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:27,613 INFO  L276                IsEmpty]: Start isEmpty. Operand 8727 states and 13055 transitions.
[2024-12-02 13:46:27,683 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4294
[2024-12-02 13:46:27,684 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:46:27,684 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:46:27,684 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-12-02 13:46:27,685 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:46:27,685 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:46:27,686 INFO  L85        PathProgramCache]: Analyzing trace with hash 1763320736, now seen corresponding path program 1 times
[2024-12-02 13:46:27,686 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:46:27,686 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476868389]
[2024-12-02 13:46:27,687 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:46:27,687 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:46:31,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:46:38,262 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:46:38,262 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:46:38,262 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476868389]
[2024-12-02 13:46:38,263 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476868389] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:46:38,263 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:46:38,263 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:46:38,263 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668756533]
[2024-12-02 13:46:38,263 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:46:38,265 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:46:38,266 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:46:38,268 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:46:38,268 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:46:38,269 INFO  L87              Difference]: Start difference. First operand 8727 states and 13055 transitions. Second operand  has 5 states, 5 states have (on average 858.6) internal successors, (4293), 5 states have internal predecessors, (4293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:39,081 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:46:39,081 INFO  L93              Difference]: Finished difference Result 16248 states and 24302 transitions.
[2024-12-02 13:46:39,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:46:39,082 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 858.6) internal successors, (4293), 5 states have internal predecessors, (4293), 0 states have call successors, (0), 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 4293
[2024-12-02 13:46:39,082 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:46:39,087 INFO  L225             Difference]: With dead ends: 16248
[2024-12-02 13:46:39,087 INFO  L226             Difference]: Without dead ends: 8727
[2024-12-02 13:46:39,092 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 13:46:39,092 INFO  L435           NwaCegarLoop]: 11201 mSDtfsCounter, 11360 mSDsluCounter, 11199 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11360 SdHoareTripleChecker+Valid, 22400 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:46:39,092 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11360 Valid, 22400 Invalid, 777 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:46:39,098 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8727 states.
[2024-12-02 13:46:39,145 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8727 to 8727.
[2024-12-02 13:46:39,151 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8727 states, 8726 states have (on average 1.4959889983955994) internal successors, (13054), 8726 states have internal predecessors, (13054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:39,159 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8727 states to 8727 states and 13054 transitions.
[2024-12-02 13:46:39,159 INFO  L78                 Accepts]: Start accepts. Automaton has 8727 states and 13054 transitions. Word has length 4293
[2024-12-02 13:46:39,159 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:46:39,159 INFO  L471      AbstractCegarLoop]: Abstraction has 8727 states and 13054 transitions.
[2024-12-02 13:46:39,160 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 858.6) internal successors, (4293), 5 states have internal predecessors, (4293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:39,160 INFO  L276                IsEmpty]: Start isEmpty. Operand 8727 states and 13054 transitions.
[2024-12-02 13:46:39,230 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4295
[2024-12-02 13:46:39,230 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:46:39,230 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:46:39,231 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-12-02 13:46:39,231 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:46:39,231 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:46:39,232 INFO  L85        PathProgramCache]: Analyzing trace with hash 1426430874, now seen corresponding path program 1 times
[2024-12-02 13:46:39,232 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:46:39,232 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402007926]
[2024-12-02 13:46:39,232 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:46:39,232 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:46:43,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:46:51,143 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:46:51,143 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:46:51,143 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402007926]
[2024-12-02 13:46:51,143 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402007926] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:46:51,143 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:46:51,144 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:46:51,144 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071718136]
[2024-12-02 13:46:51,144 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:46:51,146 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:46:51,146 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:46:51,148 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:46:51,148 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:46:51,148 INFO  L87              Difference]: Start difference. First operand 8727 states and 13054 transitions. Second operand  has 4 states, 4 states have (on average 1073.5) internal successors, (4294), 4 states have internal predecessors, (4294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:52,087 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:46:52,087 INFO  L93              Difference]: Finished difference Result 16248 states and 24300 transitions.
[2024-12-02 13:46:52,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:46:52,088 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1073.5) internal successors, (4294), 4 states have internal predecessors, (4294), 0 states have call successors, (0), 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 4294
[2024-12-02 13:46:52,089 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:46:52,094 INFO  L225             Difference]: With dead ends: 16248
[2024-12-02 13:46:52,094 INFO  L226             Difference]: Without dead ends: 8727
[2024-12-02 13:46:52,098 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:46:52,098 INFO  L435           NwaCegarLoop]: 10989 mSDtfsCounter, 10719 mSDsluCounter, 10984 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10719 SdHoareTripleChecker+Valid, 21973 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:46:52,098 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10719 Valid, 21973 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 13:46:52,106 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8727 states.
[2024-12-02 13:46:52,167 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8727 to 8727.
[2024-12-02 13:46:52,174 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8727 states, 8726 states have (on average 1.4957597983039193) internal successors, (13052), 8726 states have internal predecessors, (13052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:52,181 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8727 states to 8727 states and 13052 transitions.
[2024-12-02 13:46:52,182 INFO  L78                 Accepts]: Start accepts. Automaton has 8727 states and 13052 transitions. Word has length 4294
[2024-12-02 13:46:52,182 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:46:52,182 INFO  L471      AbstractCegarLoop]: Abstraction has 8727 states and 13052 transitions.
[2024-12-02 13:46:52,183 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1073.5) internal successors, (4294), 4 states have internal predecessors, (4294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:46:52,183 INFO  L276                IsEmpty]: Start isEmpty. Operand 8727 states and 13052 transitions.
[2024-12-02 13:46:52,257 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4296
[2024-12-02 13:46:52,257 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:46:52,258 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:46:52,258 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-12-02 13:46:52,258 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:46:52,259 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:46:52,260 INFO  L85        PathProgramCache]: Analyzing trace with hash -1075958952, now seen corresponding path program 1 times
[2024-12-02 13:46:52,260 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:46:52,260 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44379016]
[2024-12-02 13:46:52,260 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:46:52,260 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:46:56,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:47:03,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:47:03,901 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:47:03,901 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44379016]
[2024-12-02 13:47:03,901 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44379016] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:47:03,901 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:47:03,902 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:47:03,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471888860]
[2024-12-02 13:47:03,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:47:03,903 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:47:03,903 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:47:03,905 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:47:03,905 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:47:03,906 INFO  L87              Difference]: Start difference. First operand 8727 states and 13052 transitions. Second operand  has 5 states, 5 states have (on average 859.0) internal successors, (4295), 5 states have internal predecessors, (4295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:04,073 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:47:04,073 INFO  L93              Difference]: Finished difference Result 16249 states and 24298 transitions.
[2024-12-02 13:47:04,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:47:04,074 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 859.0) internal successors, (4295), 5 states have internal predecessors, (4295), 0 states have call successors, (0), 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 4295
[2024-12-02 13:47:04,075 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:47:04,080 INFO  L225             Difference]: With dead ends: 16249
[2024-12-02 13:47:04,080 INFO  L226             Difference]: Without dead ends: 8728
[2024-12-02 13:47:04,084 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 13:47:04,084 INFO  L435           NwaCegarLoop]: 11567 mSDtfsCounter, 10733 mSDsluCounter, 23129 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10733 SdHoareTripleChecker+Valid, 34696 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:47:04,084 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10733 Valid, 34696 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:47:04,090 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8728 states.
[2024-12-02 13:47:04,140 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8728 to 8728.
[2024-12-02 13:47:04,147 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8728 states, 8727 states have (on average 1.49570299071846) internal successors, (13053), 8727 states have internal predecessors, (13053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:04,155 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 13053 transitions.
[2024-12-02 13:47:04,155 INFO  L78                 Accepts]: Start accepts. Automaton has 8728 states and 13053 transitions. Word has length 4295
[2024-12-02 13:47:04,156 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:47:04,156 INFO  L471      AbstractCegarLoop]: Abstraction has 8728 states and 13053 transitions.
[2024-12-02 13:47:04,156 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 859.0) internal successors, (4295), 5 states have internal predecessors, (4295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:04,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 8728 states and 13053 transitions.
[2024-12-02 13:47:04,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4296
[2024-12-02 13:47:04,227 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:47:04,228 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:47:04,228 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-12-02 13:47:04,228 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:47:04,228 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:47:04,229 INFO  L85        PathProgramCache]: Analyzing trace with hash 646881048, now seen corresponding path program 1 times
[2024-12-02 13:47:04,229 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:47:04,229 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925267019]
[2024-12-02 13:47:04,229 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:47:04,229 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:47:08,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:47:15,323 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:47:15,323 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:47:15,323 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925267019]
[2024-12-02 13:47:15,323 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925267019] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:47:15,323 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:47:15,324 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:47:15,324 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768947661]
[2024-12-02 13:47:15,324 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:47:15,325 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:47:15,325 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:47:15,327 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:47:15,327 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:47:15,327 INFO  L87              Difference]: Start difference. First operand 8728 states and 13053 transitions. Second operand  has 5 states, 5 states have (on average 859.0) internal successors, (4295), 5 states have internal predecessors, (4295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:15,971 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:47:15,971 INFO  L93              Difference]: Finished difference Result 16250 states and 24298 transitions.
[2024-12-02 13:47:15,971 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:47:15,972 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 859.0) internal successors, (4295), 5 states have internal predecessors, (4295), 0 states have call successors, (0), 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 4295
[2024-12-02 13:47:15,973 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:47:15,976 INFO  L225             Difference]: With dead ends: 16250
[2024-12-02 13:47:15,976 INFO  L226             Difference]: Without dead ends: 8728
[2024-12-02 13:47:15,978 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 13:47:15,979 INFO  L435           NwaCegarLoop]: 11197 mSDtfsCounter, 22055 mSDsluCounter, 11194 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22055 SdHoareTripleChecker+Valid, 22391 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:47:15,979 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22055 Valid, 22391 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:47:15,984 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8728 states.
[2024-12-02 13:47:16,029 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8728 to 8728.
[2024-12-02 13:47:16,036 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8728 states, 8727 states have (on average 1.4955884038042855) internal successors, (13052), 8727 states have internal predecessors, (13052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:16,044 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 13052 transitions.
[2024-12-02 13:47:16,044 INFO  L78                 Accepts]: Start accepts. Automaton has 8728 states and 13052 transitions. Word has length 4295
[2024-12-02 13:47:16,044 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:47:16,044 INFO  L471      AbstractCegarLoop]: Abstraction has 8728 states and 13052 transitions.
[2024-12-02 13:47:16,045 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 859.0) internal successors, (4295), 5 states have internal predecessors, (4295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:16,045 INFO  L276                IsEmpty]: Start isEmpty. Operand 8728 states and 13052 transitions.
[2024-12-02 13:47:16,115 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4297
[2024-12-02 13:47:16,115 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:47:16,116 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:47:16,116 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-12-02 13:47:16,116 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:47:16,117 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:47:16,117 INFO  L85        PathProgramCache]: Analyzing trace with hash -1846648574, now seen corresponding path program 1 times
[2024-12-02 13:47:16,117 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:47:16,117 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565525476]
[2024-12-02 13:47:16,117 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:47:16,118 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:47:20,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:47:26,921 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:47:26,921 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:47:26,921 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565525476]
[2024-12-02 13:47:26,922 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565525476] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:47:26,922 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:47:26,922 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:47:26,922 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671196087]
[2024-12-02 13:47:26,923 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:47:26,925 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:47:26,926 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:47:26,928 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:47:26,929 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:47:26,930 INFO  L87              Difference]: Start difference. First operand 8728 states and 13052 transitions. Second operand  has 4 states, 4 states have (on average 1074.0) internal successors, (4296), 4 states have internal predecessors, (4296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:27,940 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:47:27,940 INFO  L93              Difference]: Finished difference Result 16250 states and 24296 transitions.
[2024-12-02 13:47:27,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:47:27,941 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1074.0) internal successors, (4296), 4 states have internal predecessors, (4296), 0 states have call successors, (0), 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 4296
[2024-12-02 13:47:27,941 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:47:27,946 INFO  L225             Difference]: With dead ends: 16250
[2024-12-02 13:47:27,947 INFO  L226             Difference]: Without dead ends: 8728
[2024-12-02 13:47:27,950 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:47:27,951 INFO  L435           NwaCegarLoop]: 10988 mSDtfsCounter, 10710 mSDsluCounter, 10982 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10710 SdHoareTripleChecker+Valid, 21970 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:47:27,951 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10710 Valid, 21970 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 13:47:27,957 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8728 states.
[2024-12-02 13:47:28,005 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8728 to 8728.
[2024-12-02 13:47:28,011 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8728 states, 8727 states have (on average 1.4953592299759368) internal successors, (13050), 8727 states have internal predecessors, (13050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:28,018 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 13050 transitions.
[2024-12-02 13:47:28,018 INFO  L78                 Accepts]: Start accepts. Automaton has 8728 states and 13050 transitions. Word has length 4296
[2024-12-02 13:47:28,019 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:47:28,019 INFO  L471      AbstractCegarLoop]: Abstraction has 8728 states and 13050 transitions.
[2024-12-02 13:47:28,019 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1074.0) internal successors, (4296), 4 states have internal predecessors, (4296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:28,019 INFO  L276                IsEmpty]: Start isEmpty. Operand 8728 states and 13050 transitions.
[2024-12-02 13:47:28,089 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4298
[2024-12-02 13:47:28,089 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:47:28,089 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:47:28,089 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-12-02 13:47:28,090 INFO  L396      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:47:28,090 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:47:28,090 INFO  L85        PathProgramCache]: Analyzing trace with hash 528325328, now seen corresponding path program 1 times
[2024-12-02 13:47:28,090 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:47:28,090 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904797474]
[2024-12-02 13:47:28,091 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:47:28,091 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:47:32,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:47:38,991 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:47:38,992 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:47:38,992 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904797474]
[2024-12-02 13:47:38,992 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904797474] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:47:38,992 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:47:38,992 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:47:38,992 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734742190]
[2024-12-02 13:47:38,992 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:47:38,993 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:47:38,994 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:47:38,995 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:47:38,995 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:47:38,995 INFO  L87              Difference]: Start difference. First operand 8728 states and 13050 transitions. Second operand  has 5 states, 5 states have (on average 859.4) internal successors, (4297), 5 states have internal predecessors, (4297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:39,151 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:47:39,152 INFO  L93              Difference]: Finished difference Result 16251 states and 24294 transitions.
[2024-12-02 13:47:39,152 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:47:39,153 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 859.4) internal successors, (4297), 5 states have internal predecessors, (4297), 0 states have call successors, (0), 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 4297
[2024-12-02 13:47:39,153 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:47:39,159 INFO  L225             Difference]: With dead ends: 16251
[2024-12-02 13:47:39,159 INFO  L226             Difference]: Without dead ends: 8729
[2024-12-02 13:47:39,163 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 13:47:39,163 INFO  L435           NwaCegarLoop]: 11562 mSDtfsCounter, 10718 mSDsluCounter, 23119 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10718 SdHoareTripleChecker+Valid, 34681 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:47:39,163 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10718 Valid, 34681 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:47:39,169 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8729 states.
[2024-12-02 13:47:39,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8729 to 8729.
[2024-12-02 13:47:39,225 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8729 states, 8728 states have (on average 1.495302474793767) internal successors, (13051), 8728 states have internal predecessors, (13051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:39,232 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8729 states to 8729 states and 13051 transitions.
[2024-12-02 13:47:39,232 INFO  L78                 Accepts]: Start accepts. Automaton has 8729 states and 13051 transitions. Word has length 4297
[2024-12-02 13:47:39,233 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:47:39,233 INFO  L471      AbstractCegarLoop]: Abstraction has 8729 states and 13051 transitions.
[2024-12-02 13:47:39,233 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 859.4) internal successors, (4297), 5 states have internal predecessors, (4297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:39,233 INFO  L276                IsEmpty]: Start isEmpty. Operand 8729 states and 13051 transitions.
[2024-12-02 13:47:39,302 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4298
[2024-12-02 13:47:39,303 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:47:39,303 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:47:39,303 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-12-02 13:47:39,303 INFO  L396      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:47:39,304 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:47:39,304 INFO  L85        PathProgramCache]: Analyzing trace with hash -692601200, now seen corresponding path program 1 times
[2024-12-02 13:47:39,304 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:47:39,304 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404730286]
[2024-12-02 13:47:39,305 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:47:39,305 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:47:43,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:47:50,151 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:47:50,151 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:47:50,151 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404730286]
[2024-12-02 13:47:50,151 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404730286] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:47:50,151 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:47:50,152 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:47:50,152 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551327729]
[2024-12-02 13:47:50,152 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:47:50,154 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:47:50,154 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:47:50,157 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:47:50,157 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:47:50,158 INFO  L87              Difference]: Start difference. First operand 8729 states and 13051 transitions. Second operand  has 5 states, 5 states have (on average 859.4) internal successors, (4297), 5 states have internal predecessors, (4297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:50,798 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:47:50,798 INFO  L93              Difference]: Finished difference Result 16252 states and 24294 transitions.
[2024-12-02 13:47:50,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:47:50,799 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 859.4) internal successors, (4297), 5 states have internal predecessors, (4297), 0 states have call successors, (0), 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 4297
[2024-12-02 13:47:50,800 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:47:50,805 INFO  L225             Difference]: With dead ends: 16252
[2024-12-02 13:47:50,805 INFO  L226             Difference]: Without dead ends: 8729
[2024-12-02 13:47:50,809 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 13:47:50,810 INFO  L435           NwaCegarLoop]: 11197 mSDtfsCounter, 11292 mSDsluCounter, 11195 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11292 SdHoareTripleChecker+Valid, 22392 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:47:50,810 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11292 Valid, 22392 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:47:50,816 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8729 states.
[2024-12-02 13:47:50,866 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8729 to 8729.
[2024-12-02 13:47:50,872 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8729 states, 8728 states have (on average 1.4951879010082494) internal successors, (13050), 8728 states have internal predecessors, (13050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:50,879 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8729 states to 8729 states and 13050 transitions.
[2024-12-02 13:47:50,879 INFO  L78                 Accepts]: Start accepts. Automaton has 8729 states and 13050 transitions. Word has length 4297
[2024-12-02 13:47:50,879 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:47:50,879 INFO  L471      AbstractCegarLoop]: Abstraction has 8729 states and 13050 transitions.
[2024-12-02 13:47:50,880 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 859.4) internal successors, (4297), 5 states have internal predecessors, (4297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:47:50,880 INFO  L276                IsEmpty]: Start isEmpty. Operand 8729 states and 13050 transitions.
[2024-12-02 13:47:51,331 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4299
[2024-12-02 13:47:51,331 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:47:51,332 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:47:51,332 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-12-02 13:47:51,332 INFO  L396      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:47:51,333 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:47:51,334 INFO  L85        PathProgramCache]: Analyzing trace with hash -1203400662, now seen corresponding path program 1 times
[2024-12-02 13:47:51,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:47:51,334 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711240400]
[2024-12-02 13:47:51,334 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:47:51,334 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:47:55,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:48:01,987 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:48:01,987 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:48:01,987 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711240400]
[2024-12-02 13:48:01,987 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711240400] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:48:01,987 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:48:01,987 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:48:01,987 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684792210]
[2024-12-02 13:48:01,987 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:48:01,989 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:48:01,989 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:48:01,991 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:48:01,991 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:48:01,991 INFO  L87              Difference]: Start difference. First operand 8729 states and 13050 transitions. Second operand  has 4 states, 4 states have (on average 1074.5) internal successors, (4298), 4 states have internal predecessors, (4298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:02,969 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:48:02,970 INFO  L93              Difference]: Finished difference Result 16252 states and 24292 transitions.
[2024-12-02 13:48:02,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:48:02,971 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1074.5) internal successors, (4298), 4 states have internal predecessors, (4298), 0 states have call successors, (0), 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 4298
[2024-12-02 13:48:02,971 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:48:02,977 INFO  L225             Difference]: With dead ends: 16252
[2024-12-02 13:48:02,977 INFO  L226             Difference]: Without dead ends: 8729
[2024-12-02 13:48:02,980 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:48:02,981 INFO  L435           NwaCegarLoop]: 10987 mSDtfsCounter, 10657 mSDsluCounter, 10981 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10657 SdHoareTripleChecker+Valid, 21968 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:48:02,981 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10657 Valid, 21968 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 13:48:02,986 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8729 states.
[2024-12-02 13:48:03,035 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8729 to 8729.
[2024-12-02 13:48:03,042 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8729 states, 8728 states have (on average 1.4949587534372135) internal successors, (13048), 8728 states have internal predecessors, (13048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:03,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8729 states to 8729 states and 13048 transitions.
[2024-12-02 13:48:03,050 INFO  L78                 Accepts]: Start accepts. Automaton has 8729 states and 13048 transitions. Word has length 4298
[2024-12-02 13:48:03,050 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:48:03,051 INFO  L471      AbstractCegarLoop]: Abstraction has 8729 states and 13048 transitions.
[2024-12-02 13:48:03,051 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1074.5) internal successors, (4298), 4 states have internal predecessors, (4298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:03,051 INFO  L276                IsEmpty]: Start isEmpty. Operand 8729 states and 13048 transitions.
[2024-12-02 13:48:03,121 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4300
[2024-12-02 13:48:03,121 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:48:03,122 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:48:03,122 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-12-02 13:48:03,122 INFO  L396      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:48:03,123 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:48:03,123 INFO  L85        PathProgramCache]: Analyzing trace with hash 1971093576, now seen corresponding path program 1 times
[2024-12-02 13:48:03,123 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:48:03,123 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256974921]
[2024-12-02 13:48:03,123 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:48:03,123 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:48:07,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:48:14,094 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:48:14,094 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:48:14,094 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256974921]
[2024-12-02 13:48:14,094 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256974921] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:48:14,094 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:48:14,095 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:48:14,095 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854542841]
[2024-12-02 13:48:14,095 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:48:14,097 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:48:14,097 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:48:14,099 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:48:14,099 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:48:14,099 INFO  L87              Difference]: Start difference. First operand 8729 states and 13048 transitions. Second operand  has 5 states, 5 states have (on average 859.8) internal successors, (4299), 5 states have internal predecessors, (4299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:14,266 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:48:14,266 INFO  L93              Difference]: Finished difference Result 16253 states and 24290 transitions.
[2024-12-02 13:48:14,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:48:14,267 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 859.8) internal successors, (4299), 5 states have internal predecessors, (4299), 0 states have call successors, (0), 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 4299
[2024-12-02 13:48:14,268 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:48:14,273 INFO  L225             Difference]: With dead ends: 16253
[2024-12-02 13:48:14,273 INFO  L226             Difference]: Without dead ends: 8730
[2024-12-02 13:48:14,277 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 13:48:14,277 INFO  L435           NwaCegarLoop]: 11561 mSDtfsCounter, 10665 mSDsluCounter, 23117 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10665 SdHoareTripleChecker+Valid, 34678 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:48:14,278 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10665 Valid, 34678 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:48:14,284 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8730 states.
[2024-12-02 13:48:14,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8730 to 8730.
[2024-12-02 13:48:14,340 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8730 states, 8729 states have (on average 1.4949020506358117) internal successors, (13049), 8729 states have internal predecessors, (13049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:14,348 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8730 states to 8730 states and 13049 transitions.
[2024-12-02 13:48:14,348 INFO  L78                 Accepts]: Start accepts. Automaton has 8730 states and 13049 transitions. Word has length 4299
[2024-12-02 13:48:14,349 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:48:14,349 INFO  L471      AbstractCegarLoop]: Abstraction has 8730 states and 13049 transitions.
[2024-12-02 13:48:14,349 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 859.8) internal successors, (4299), 5 states have internal predecessors, (4299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:14,350 INFO  L276                IsEmpty]: Start isEmpty. Operand 8730 states and 13049 transitions.
[2024-12-02 13:48:14,419 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4300
[2024-12-02 13:48:14,419 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:48:14,420 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:48:14,420 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-12-02 13:48:14,420 INFO  L396      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:48:14,421 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:48:14,421 INFO  L85        PathProgramCache]: Analyzing trace with hash -1200282616, now seen corresponding path program 1 times
[2024-12-02 13:48:14,421 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:48:14,421 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766174806]
[2024-12-02 13:48:14,422 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:48:14,422 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:48:18,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:48:25,407 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:48:25,407 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:48:25,407 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766174806]
[2024-12-02 13:48:25,407 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766174806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:48:25,407 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:48:25,408 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:48:25,408 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350095984]
[2024-12-02 13:48:25,408 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:48:25,410 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:48:25,410 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:48:25,411 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:48:25,411 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:48:25,412 INFO  L87              Difference]: Start difference. First operand 8730 states and 13049 transitions. Second operand  has 5 states, 5 states have (on average 859.8) internal successors, (4299), 5 states have internal predecessors, (4299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:26,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:48:26,044 INFO  L93              Difference]: Finished difference Result 16254 states and 24290 transitions.
[2024-12-02 13:48:26,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:48:26,045 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 859.8) internal successors, (4299), 5 states have internal predecessors, (4299), 0 states have call successors, (0), 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 4299
[2024-12-02 13:48:26,046 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:48:26,050 INFO  L225             Difference]: With dead ends: 16254
[2024-12-02 13:48:26,050 INFO  L226             Difference]: Without dead ends: 8730
[2024-12-02 13:48:26,053 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 13:48:26,053 INFO  L435           NwaCegarLoop]: 11193 mSDtfsCounter, 21871 mSDsluCounter, 11190 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21871 SdHoareTripleChecker+Valid, 22383 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:48:26,053 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21871 Valid, 22383 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:48:26,059 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8730 states.
[2024-12-02 13:48:26,104 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8730 to 8730.
[2024-12-02 13:48:26,110 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8730 states, 8729 states have (on average 1.4947874899759424) internal successors, (13048), 8729 states have internal predecessors, (13048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:26,117 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8730 states to 8730 states and 13048 transitions.
[2024-12-02 13:48:26,118 INFO  L78                 Accepts]: Start accepts. Automaton has 8730 states and 13048 transitions. Word has length 4299
[2024-12-02 13:48:26,118 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:48:26,118 INFO  L471      AbstractCegarLoop]: Abstraction has 8730 states and 13048 transitions.
[2024-12-02 13:48:26,119 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 859.8) internal successors, (4299), 5 states have internal predecessors, (4299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:26,119 INFO  L276                IsEmpty]: Start isEmpty. Operand 8730 states and 13048 transitions.
[2024-12-02 13:48:26,188 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4301
[2024-12-02 13:48:26,188 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:48:26,189 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:48:26,189 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-12-02 13:48:26,189 INFO  L396      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:48:26,190 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:48:26,190 INFO  L85        PathProgramCache]: Analyzing trace with hash -467581250, now seen corresponding path program 1 times
[2024-12-02 13:48:26,191 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:48:26,191 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557444868]
[2024-12-02 13:48:26,191 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:48:26,191 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:48:31,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:48:38,730 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:48:38,730 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:48:38,730 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557444868]
[2024-12-02 13:48:38,730 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557444868] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:48:38,730 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:48:38,730 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:48:38,731 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102769988]
[2024-12-02 13:48:38,731 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:48:38,733 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:48:38,733 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:48:38,735 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:48:38,735 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:48:38,736 INFO  L87              Difference]: Start difference. First operand 8730 states and 13048 transitions. Second operand  has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:39,774 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:48:39,775 INFO  L93              Difference]: Finished difference Result 16254 states and 24288 transitions.
[2024-12-02 13:48:39,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:48:39,776 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 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 4300
[2024-12-02 13:48:39,776 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:48:39,782 INFO  L225             Difference]: With dead ends: 16254
[2024-12-02 13:48:39,782 INFO  L226             Difference]: Without dead ends: 8730
[2024-12-02 13:48:39,787 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:48:39,787 INFO  L435           NwaCegarLoop]: 10986 mSDtfsCounter, 10612 mSDsluCounter, 10981 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10612 SdHoareTripleChecker+Valid, 21967 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:48:39,788 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10612 Valid, 21967 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 13:48:39,794 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8730 states.
[2024-12-02 13:48:39,846 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8730 to 8730.
[2024-12-02 13:48:39,852 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8730 states, 8729 states have (on average 1.4945583686562034) internal successors, (13046), 8729 states have internal predecessors, (13046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:39,860 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8730 states to 8730 states and 13046 transitions.
[2024-12-02 13:48:39,860 INFO  L78                 Accepts]: Start accepts. Automaton has 8730 states and 13046 transitions. Word has length 4300
[2024-12-02 13:48:39,861 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:48:39,861 INFO  L471      AbstractCegarLoop]: Abstraction has 8730 states and 13046 transitions.
[2024-12-02 13:48:39,862 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:39,862 INFO  L276                IsEmpty]: Start isEmpty. Operand 8730 states and 13046 transitions.
[2024-12-02 13:48:39,991 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4302
[2024-12-02 13:48:39,992 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:48:39,992 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:48:39,992 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-12-02 13:48:39,993 INFO  L396      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:48:39,993 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:48:39,994 INFO  L85        PathProgramCache]: Analyzing trace with hash -615176384, now seen corresponding path program 1 times
[2024-12-02 13:48:39,994 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:48:39,994 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173040039]
[2024-12-02 13:48:39,994 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:48:39,994 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:48:44,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:48:51,133 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:48:51,133 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:48:51,133 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173040039]
[2024-12-02 13:48:51,133 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173040039] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:48:51,133 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:48:51,134 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:48:51,134 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131713208]
[2024-12-02 13:48:51,134 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:48:51,136 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:48:51,136 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:48:51,137 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:48:51,137 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:48:51,138 INFO  L87              Difference]: Start difference. First operand 8730 states and 13046 transitions. Second operand  has 5 states, 5 states have (on average 860.2) internal successors, (4301), 5 states have internal predecessors, (4301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:51,294 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:48:51,294 INFO  L93              Difference]: Finished difference Result 16255 states and 24286 transitions.
[2024-12-02 13:48:51,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:48:51,295 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 860.2) internal successors, (4301), 5 states have internal predecessors, (4301), 0 states have call successors, (0), 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 4301
[2024-12-02 13:48:51,296 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:48:51,301 INFO  L225             Difference]: With dead ends: 16255
[2024-12-02 13:48:51,301 INFO  L226             Difference]: Without dead ends: 8731
[2024-12-02 13:48:51,305 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 13:48:51,306 INFO  L435           NwaCegarLoop]: 11556 mSDtfsCounter, 10626 mSDsluCounter, 23107 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10626 SdHoareTripleChecker+Valid, 34663 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:48:51,306 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10626 Valid, 34663 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:48:51,312 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8731 states.
[2024-12-02 13:48:51,364 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 8731.
[2024-12-02 13:48:51,370 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8731 states, 8730 states have (on average 1.4945017182130584) internal successors, (13047), 8730 states have internal predecessors, (13047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:51,377 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8731 states to 8731 states and 13047 transitions.
[2024-12-02 13:48:51,377 INFO  L78                 Accepts]: Start accepts. Automaton has 8731 states and 13047 transitions. Word has length 4301
[2024-12-02 13:48:51,378 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:48:51,378 INFO  L471      AbstractCegarLoop]: Abstraction has 8731 states and 13047 transitions.
[2024-12-02 13:48:51,379 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 860.2) internal successors, (4301), 5 states have internal predecessors, (4301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:48:51,379 INFO  L276                IsEmpty]: Start isEmpty. Operand 8731 states and 13047 transitions.
[2024-12-02 13:48:51,497 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4302
[2024-12-02 13:48:51,497 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:48:51,498 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:48:51,498 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-12-02 13:48:51,498 INFO  L396      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:48:51,499 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:48:51,499 INFO  L85        PathProgramCache]: Analyzing trace with hash 685947648, now seen corresponding path program 1 times
[2024-12-02 13:48:51,499 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:48:51,500 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770221826]
[2024-12-02 13:48:51,500 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:48:51,500 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:48:55,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:49:02,318 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:49:02,318 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:49:02,318 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770221826]
[2024-12-02 13:49:02,318 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770221826] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:49:02,318 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:49:02,319 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:49:02,319 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711170002]
[2024-12-02 13:49:02,319 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:49:02,320 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:49:02,321 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:49:02,322 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:49:02,322 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:49:02,323 INFO  L87              Difference]: Start difference. First operand 8731 states and 13047 transitions. Second operand  has 5 states, 5 states have (on average 860.2) internal successors, (4301), 5 states have internal predecessors, (4301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:02,950 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:49:02,950 INFO  L93              Difference]: Finished difference Result 16256 states and 24286 transitions.
[2024-12-02 13:49:02,950 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:49:02,951 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 860.2) internal successors, (4301), 5 states have internal predecessors, (4301), 0 states have call successors, (0), 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 4301
[2024-12-02 13:49:02,952 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:49:02,956 INFO  L225             Difference]: With dead ends: 16256
[2024-12-02 13:49:02,956 INFO  L226             Difference]: Without dead ends: 8731
[2024-12-02 13:49:02,960 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 13:49:02,960 INFO  L435           NwaCegarLoop]: 11193 mSDtfsCounter, 11236 mSDsluCounter, 11191 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11236 SdHoareTripleChecker+Valid, 22384 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:49:02,961 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11236 Valid, 22384 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:49:02,967 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8731 states.
[2024-12-02 13:49:03,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 8731.
[2024-12-02 13:49:03,022 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8731 states, 8730 states have (on average 1.4943871706758305) internal successors, (13046), 8730 states have internal predecessors, (13046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:03,030 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8731 states to 8731 states and 13046 transitions.
[2024-12-02 13:49:03,030 INFO  L78                 Accepts]: Start accepts. Automaton has 8731 states and 13046 transitions. Word has length 4301
[2024-12-02 13:49:03,030 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:49:03,031 INFO  L471      AbstractCegarLoop]: Abstraction has 8731 states and 13046 transitions.
[2024-12-02 13:49:03,031 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 860.2) internal successors, (4301), 5 states have internal predecessors, (4301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:03,031 INFO  L276                IsEmpty]: Start isEmpty. Operand 8731 states and 13046 transitions.
[2024-12-02 13:49:03,102 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4303
[2024-12-02 13:49:03,103 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:49:03,103 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:49:03,103 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-12-02 13:49:03,104 INFO  L396      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:49:03,104 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:49:03,104 INFO  L85        PathProgramCache]: Analyzing trace with hash -293497825, now seen corresponding path program 1 times
[2024-12-02 13:49:03,104 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:49:03,104 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165621183]
[2024-12-02 13:49:03,105 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:49:03,105 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:49:08,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:49:15,710 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:49:15,710 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:49:15,710 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165621183]
[2024-12-02 13:49:15,710 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165621183] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:49:15,710 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:49:15,711 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:49:15,711 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973978287]
[2024-12-02 13:49:15,711 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:49:15,712 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:49:15,713 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:49:15,714 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:49:15,714 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:49:15,715 INFO  L87              Difference]: Start difference. First operand 8731 states and 13046 transitions. Second operand  has 4 states, 4 states have (on average 1075.5) internal successors, (4302), 4 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:16,629 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:49:16,629 INFO  L93              Difference]: Finished difference Result 16256 states and 24284 transitions.
[2024-12-02 13:49:16,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:49:16,630 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1075.5) internal successors, (4302), 4 states have internal predecessors, (4302), 0 states have call successors, (0), 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 4302
[2024-12-02 13:49:16,631 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:49:16,636 INFO  L225             Difference]: With dead ends: 16256
[2024-12-02 13:49:16,636 INFO  L226             Difference]: Without dead ends: 8731
[2024-12-02 13:49:16,640 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:49:16,640 INFO  L435           NwaCegarLoop]: 10985 mSDtfsCounter, 10595 mSDsluCounter, 10980 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10595 SdHoareTripleChecker+Valid, 21965 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 13:49:16,640 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10595 Valid, 21965 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 13:49:16,646 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8731 states.
[2024-12-02 13:49:16,698 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 8731.
[2024-12-02 13:49:16,704 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8731 states, 8730 states have (on average 1.4941580756013746) internal successors, (13044), 8730 states have internal predecessors, (13044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:16,712 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8731 states to 8731 states and 13044 transitions.
[2024-12-02 13:49:16,712 INFO  L78                 Accepts]: Start accepts. Automaton has 8731 states and 13044 transitions. Word has length 4302
[2024-12-02 13:49:16,713 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:49:16,713 INFO  L471      AbstractCegarLoop]: Abstraction has 8731 states and 13044 transitions.
[2024-12-02 13:49:16,713 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1075.5) internal successors, (4302), 4 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:16,713 INFO  L276                IsEmpty]: Start isEmpty. Operand 8731 states and 13044 transitions.
[2024-12-02 13:49:16,784 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4304
[2024-12-02 13:49:16,784 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:49:16,785 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:49:16,785 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-12-02 13:49:16,785 INFO  L396      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:49:16,785 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:49:16,786 INFO  L85        PathProgramCache]: Analyzing trace with hash -1466007720, now seen corresponding path program 1 times
[2024-12-02 13:49:16,786 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:49:16,786 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169381108]
[2024-12-02 13:49:16,786 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:49:16,786 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:49:20,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:49:28,088 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:49:28,088 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:49:28,088 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169381108]
[2024-12-02 13:49:28,088 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169381108] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:49:28,088 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:49:28,089 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:49:28,089 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394344910]
[2024-12-02 13:49:28,089 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:49:28,090 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:49:28,090 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:49:28,092 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:49:28,092 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:49:28,093 INFO  L87              Difference]: Start difference. First operand 8731 states and 13044 transitions. Second operand  has 5 states, 5 states have (on average 860.6) internal successors, (4303), 5 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:28,256 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:49:28,257 INFO  L93              Difference]: Finished difference Result 16257 states and 24282 transitions.
[2024-12-02 13:49:28,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:49:28,258 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 860.6) internal successors, (4303), 5 states have internal predecessors, (4303), 0 states have call successors, (0), 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 4303
[2024-12-02 13:49:28,259 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:49:28,264 INFO  L225             Difference]: With dead ends: 16257
[2024-12-02 13:49:28,264 INFO  L226             Difference]: Without dead ends: 8732
[2024-12-02 13:49:28,269 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 13:49:28,269 INFO  L435           NwaCegarLoop]: 11555 mSDtfsCounter, 10609 mSDsluCounter, 23105 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10609 SdHoareTripleChecker+Valid, 34660 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:49:28,269 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10609 Valid, 34660 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:49:28,276 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8732 states.
[2024-12-02 13:49:28,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8732 to 8732.
[2024-12-02 13:49:28,342 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8732 states, 8731 states have (on average 1.494101477493987) internal successors, (13045), 8731 states have internal predecessors, (13045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:28,353 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 13045 transitions.
[2024-12-02 13:49:28,353 INFO  L78                 Accepts]: Start accepts. Automaton has 8732 states and 13045 transitions. Word has length 4303
[2024-12-02 13:49:28,354 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:49:28,354 INFO  L471      AbstractCegarLoop]: Abstraction has 8732 states and 13045 transitions.
[2024-12-02 13:49:28,354 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 860.6) internal successors, (4303), 5 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:28,355 INFO  L276                IsEmpty]: Start isEmpty. Operand 8732 states and 13045 transitions.
[2024-12-02 13:49:28,687 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4304
[2024-12-02 13:49:28,687 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:49:28,688 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:49:28,688 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-12-02 13:49:28,688 INFO  L396      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:49:28,689 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:49:28,689 INFO  L85        PathProgramCache]: Analyzing trace with hash -853822696, now seen corresponding path program 1 times
[2024-12-02 13:49:28,689 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:49:28,689 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649976829]
[2024-12-02 13:49:28,689 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:49:28,689 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:49:32,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:49:40,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:49:40,212 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:49:40,212 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649976829]
[2024-12-02 13:49:40,212 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649976829] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:49:40,212 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:49:40,212 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:49:40,212 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141390684]
[2024-12-02 13:49:40,212 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:49:40,214 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:49:40,214 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:49:40,215 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:49:40,215 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:49:40,216 INFO  L87              Difference]: Start difference. First operand 8732 states and 13045 transitions. Second operand  has 5 states, 5 states have (on average 860.6) internal successors, (4303), 5 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:40,891 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:49:40,891 INFO  L93              Difference]: Finished difference Result 16258 states and 24282 transitions.
[2024-12-02 13:49:40,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:49:40,893 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 860.6) internal successors, (4303), 5 states have internal predecessors, (4303), 0 states have call successors, (0), 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 4303
[2024-12-02 13:49:40,893 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:49:40,900 INFO  L225             Difference]: With dead ends: 16258
[2024-12-02 13:49:40,900 INFO  L226             Difference]: Without dead ends: 8732
[2024-12-02 13:49:40,905 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 13:49:40,905 INFO  L435           NwaCegarLoop]: 11189 mSDtfsCounter, 11221 mSDsluCounter, 11187 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11221 SdHoareTripleChecker+Valid, 22376 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:49:40,905 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11221 Valid, 22376 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:49:40,914 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8732 states.
[2024-12-02 13:49:41,274 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8732 to 8732.
[2024-12-02 13:49:41,279 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8732 states, 8731 states have (on average 1.4939869430763943) internal successors, (13044), 8731 states have internal predecessors, (13044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:41,286 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 13044 transitions.
[2024-12-02 13:49:41,286 INFO  L78                 Accepts]: Start accepts. Automaton has 8732 states and 13044 transitions. Word has length 4303
[2024-12-02 13:49:41,286 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:49:41,286 INFO  L471      AbstractCegarLoop]: Abstraction has 8732 states and 13044 transitions.
[2024-12-02 13:49:41,287 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 860.6) internal successors, (4303), 5 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:41,287 INFO  L276                IsEmpty]: Start isEmpty. Operand 8732 states and 13044 transitions.
[2024-12-02 13:49:41,356 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4305
[2024-12-02 13:49:41,356 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:49:41,357 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:49:41,357 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-12-02 13:49:41,357 INFO  L396      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:49:41,358 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:49:41,358 INFO  L85        PathProgramCache]: Analyzing trace with hash -866922265, now seen corresponding path program 1 times
[2024-12-02 13:49:41,358 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:49:41,358 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068367981]
[2024-12-02 13:49:41,358 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:49:41,358 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:49:45,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:49:53,522 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:49:53,522 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:49:53,522 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068367981]
[2024-12-02 13:49:53,522 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068367981] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:49:53,522 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:49:53,522 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:49:53,522 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546648077]
[2024-12-02 13:49:53,523 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:49:53,525 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:49:53,525 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:49:53,527 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:49:53,527 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:49:53,528 INFO  L87              Difference]: Start difference. First operand 8732 states and 13044 transitions. Second operand  has 4 states, 4 states have (on average 1076.0) internal successors, (4304), 4 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:54,493 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:49:54,493 INFO  L93              Difference]: Finished difference Result 16258 states and 24280 transitions.
[2024-12-02 13:49:54,493 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:49:54,494 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1076.0) internal successors, (4304), 4 states have internal predecessors, (4304), 0 states have call successors, (0), 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 4304
[2024-12-02 13:49:54,495 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:49:54,500 INFO  L225             Difference]: With dead ends: 16258
[2024-12-02 13:49:54,500 INFO  L226             Difference]: Without dead ends: 8732
[2024-12-02 13:49:54,503 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:49:54,504 INFO  L435           NwaCegarLoop]: 10984 mSDtfsCounter, 10580 mSDsluCounter, 10979 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10580 SdHoareTripleChecker+Valid, 21963 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:49:54,504 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10580 Valid, 21963 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 13:49:54,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8732 states.
[2024-12-02 13:49:54,555 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8732 to 8732.
[2024-12-02 13:49:54,562 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8732 states, 8731 states have (on average 1.4937578742412094) internal successors, (13042), 8731 states have internal predecessors, (13042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:54,569 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 13042 transitions.
[2024-12-02 13:49:54,569 INFO  L78                 Accepts]: Start accepts. Automaton has 8732 states and 13042 transitions. Word has length 4304
[2024-12-02 13:49:54,569 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:49:54,569 INFO  L471      AbstractCegarLoop]: Abstraction has 8732 states and 13042 transitions.
[2024-12-02 13:49:54,570 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1076.0) internal successors, (4304), 4 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:49:54,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 8732 states and 13042 transitions.
[2024-12-02 13:49:54,731 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4306
[2024-12-02 13:49:54,731 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:49:54,732 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:49:54,732 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2024-12-02 13:49:54,732 INFO  L396      AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:49:54,733 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:49:54,734 INFO  L85        PathProgramCache]: Analyzing trace with hash 683656048, now seen corresponding path program 1 times
[2024-12-02 13:49:54,734 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:49:54,734 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25848500]
[2024-12-02 13:49:54,734 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:49:54,735 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:49:58,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:50:05,445 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:50:05,445 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:50:05,445 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25848500]
[2024-12-02 13:50:05,445 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25848500] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:50:05,445 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:50:05,446 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:50:05,446 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099155876]
[2024-12-02 13:50:05,446 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:50:05,447 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:50:05,447 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:50:05,449 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:50:05,449 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:50:05,450 INFO  L87              Difference]: Start difference. First operand 8732 states and 13042 transitions. Second operand  has 5 states, 5 states have (on average 861.0) internal successors, (4305), 5 states have internal predecessors, (4305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:05,607 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:50:05,607 INFO  L93              Difference]: Finished difference Result 16259 states and 24278 transitions.
[2024-12-02 13:50:05,607 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:50:05,608 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 861.0) internal successors, (4305), 5 states have internal predecessors, (4305), 0 states have call successors, (0), 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 4305
[2024-12-02 13:50:05,609 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:50:05,614 INFO  L225             Difference]: With dead ends: 16259
[2024-12-02 13:50:05,614 INFO  L226             Difference]: Without dead ends: 8733
[2024-12-02 13:50:05,617 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 13:50:05,618 INFO  L435           NwaCegarLoop]: 11550 mSDtfsCounter, 10594 mSDsluCounter, 23095 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10594 SdHoareTripleChecker+Valid, 34645 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:50:05,618 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10594 Valid, 34645 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:50:05,624 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8733 states.
[2024-12-02 13:50:05,674 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8733 to 8733.
[2024-12-02 13:50:05,680 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8733 states, 8732 states have (on average 1.4937013284470912) internal successors, (13043), 8732 states have internal predecessors, (13043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:05,687 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8733 states to 8733 states and 13043 transitions.
[2024-12-02 13:50:05,688 INFO  L78                 Accepts]: Start accepts. Automaton has 8733 states and 13043 transitions. Word has length 4305
[2024-12-02 13:50:05,688 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:50:05,688 INFO  L471      AbstractCegarLoop]: Abstraction has 8733 states and 13043 transitions.
[2024-12-02 13:50:05,689 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 861.0) internal successors, (4305), 5 states have internal predecessors, (4305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:05,689 INFO  L276                IsEmpty]: Start isEmpty. Operand 8733 states and 13043 transitions.
[2024-12-02 13:50:05,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4306
[2024-12-02 13:50:05,758 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:50:05,759 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:50:05,759 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2024-12-02 13:50:05,759 INFO  L396      AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:50:05,760 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:50:05,760 INFO  L85        PathProgramCache]: Analyzing trace with hash 1387702064, now seen corresponding path program 1 times
[2024-12-02 13:50:05,760 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:50:05,760 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754392632]
[2024-12-02 13:50:05,761 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:50:05,761 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:50:09,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:50:15,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:50:15,880 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:50:15,880 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754392632]
[2024-12-02 13:50:15,880 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754392632] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:50:15,880 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:50:15,880 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:50:15,880 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295041607]
[2024-12-02 13:50:15,880 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:50:15,882 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:50:15,882 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:50:15,883 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:50:15,883 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:50:15,884 INFO  L87              Difference]: Start difference. First operand 8733 states and 13043 transitions. Second operand  has 5 states, 5 states have (on average 861.0) internal successors, (4305), 5 states have internal predecessors, (4305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:16,465 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:50:16,465 INFO  L93              Difference]: Finished difference Result 16260 states and 24278 transitions.
[2024-12-02 13:50:16,466 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:50:16,466 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 861.0) internal successors, (4305), 5 states have internal predecessors, (4305), 0 states have call successors, (0), 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 4305
[2024-12-02 13:50:16,467 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:50:16,472 INFO  L225             Difference]: With dead ends: 16260
[2024-12-02 13:50:16,472 INFO  L226             Difference]: Without dead ends: 8733
[2024-12-02 13:50:16,476 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 13:50:16,476 INFO  L435           NwaCegarLoop]: 11189 mSDtfsCounter, 11158 mSDsluCounter, 11187 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11158 SdHoareTripleChecker+Valid, 22376 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:50:16,476 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11158 Valid, 22376 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:50:16,483 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8733 states.
[2024-12-02 13:50:16,532 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8733 to 8733.
[2024-12-02 13:50:16,539 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8733 states, 8732 states have (on average 1.4935868071461291) internal successors, (13042), 8732 states have internal predecessors, (13042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:16,547 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8733 states to 8733 states and 13042 transitions.
[2024-12-02 13:50:16,547 INFO  L78                 Accepts]: Start accepts. Automaton has 8733 states and 13042 transitions. Word has length 4305
[2024-12-02 13:50:16,547 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:50:16,547 INFO  L471      AbstractCegarLoop]: Abstraction has 8733 states and 13042 transitions.
[2024-12-02 13:50:16,548 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 861.0) internal successors, (4305), 5 states have internal predecessors, (4305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:16,548 INFO  L276                IsEmpty]: Start isEmpty. Operand 8733 states and 13042 transitions.
[2024-12-02 13:50:16,637 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4307
[2024-12-02 13:50:16,637 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:50:16,638 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:50:16,638 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2024-12-02 13:50:16,638 INFO  L396      AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:50:16,639 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:50:16,639 INFO  L85        PathProgramCache]: Analyzing trace with hash -832140532, now seen corresponding path program 1 times
[2024-12-02 13:50:16,639 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:50:16,639 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481056118]
[2024-12-02 13:50:16,640 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:50:16,640 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:50:21,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:50:29,158 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:50:29,159 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:50:29,159 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481056118]
[2024-12-02 13:50:29,159 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481056118] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:50:29,159 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:50:29,159 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:50:29,159 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123878022]
[2024-12-02 13:50:29,159 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:50:29,161 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:50:29,161 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:50:29,162 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:50:29,162 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:50:29,163 INFO  L87              Difference]: Start difference. First operand 8733 states and 13042 transitions. Second operand  has 4 states, 4 states have (on average 1076.5) internal successors, (4306), 4 states have internal predecessors, (4306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:30,093 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:50:30,093 INFO  L93              Difference]: Finished difference Result 16260 states and 24276 transitions.
[2024-12-02 13:50:30,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:50:30,094 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1076.5) internal successors, (4306), 4 states have internal predecessors, (4306), 0 states have call successors, (0), 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 4306
[2024-12-02 13:50:30,095 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:50:30,100 INFO  L225             Difference]: With dead ends: 16260
[2024-12-02 13:50:30,100 INFO  L226             Difference]: Without dead ends: 8733
[2024-12-02 13:50:30,103 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:50:30,104 INFO  L435           NwaCegarLoop]: 10983 mSDtfsCounter, 10517 mSDsluCounter, 10978 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10517 SdHoareTripleChecker+Valid, 21961 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 13:50:30,104 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10517 Valid, 21961 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 13:50:30,109 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8733 states.
[2024-12-02 13:50:30,157 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8733 to 8733.
[2024-12-02 13:50:30,163 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8733 states, 8732 states have (on average 1.4933577645442053) internal successors, (13040), 8732 states have internal predecessors, (13040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:30,171 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8733 states to 8733 states and 13040 transitions.
[2024-12-02 13:50:30,171 INFO  L78                 Accepts]: Start accepts. Automaton has 8733 states and 13040 transitions. Word has length 4306
[2024-12-02 13:50:30,171 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:50:30,171 INFO  L471      AbstractCegarLoop]: Abstraction has 8733 states and 13040 transitions.
[2024-12-02 13:50:30,172 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1076.5) internal successors, (4306), 4 states have internal predecessors, (4306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:30,172 INFO  L276                IsEmpty]: Start isEmpty. Operand 8733 states and 13040 transitions.
[2024-12-02 13:50:30,245 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4308
[2024-12-02 13:50:30,245 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:50:30,245 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:50:30,246 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2024-12-02 13:50:30,246 INFO  L396      AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:50:30,246 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:50:30,246 INFO  L85        PathProgramCache]: Analyzing trace with hash 1078361896, now seen corresponding path program 1 times
[2024-12-02 13:50:30,247 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:50:30,247 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530839137]
[2024-12-02 13:50:30,247 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:50:30,247 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:50:34,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:50:41,023 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:50:41,023 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:50:41,023 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530839137]
[2024-12-02 13:50:41,023 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530839137] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:50:41,023 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:50:41,024 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:50:41,024 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052298903]
[2024-12-02 13:50:41,024 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:50:41,025 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:50:41,025 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:50:41,027 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:50:41,027 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:50:41,027 INFO  L87              Difference]: Start difference. First operand 8733 states and 13040 transitions. Second operand  has 5 states, 5 states have (on average 861.4) internal successors, (4307), 5 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:41,185 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:50:41,185 INFO  L93              Difference]: Finished difference Result 16261 states and 24274 transitions.
[2024-12-02 13:50:41,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 13:50:41,187 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 861.4) internal successors, (4307), 5 states have internal predecessors, (4307), 0 states have call successors, (0), 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 4307
[2024-12-02 13:50:41,187 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:50:41,192 INFO  L225             Difference]: With dead ends: 16261
[2024-12-02 13:50:41,192 INFO  L226             Difference]: Without dead ends: 8734
[2024-12-02 13:50:41,196 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 13:50:41,196 INFO  L435           NwaCegarLoop]: 11549 mSDtfsCounter, 10531 mSDsluCounter, 23093 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10531 SdHoareTripleChecker+Valid, 34642 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:50:41,196 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10531 Valid, 34642 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:50:41,202 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8734 states.
[2024-12-02 13:50:41,247 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8734 to 8734.
[2024-12-02 13:50:41,253 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8734 states, 8733 states have (on average 1.4933012710408795) internal successors, (13041), 8733 states have internal predecessors, (13041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:41,259 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8734 states to 8734 states and 13041 transitions.
[2024-12-02 13:50:41,260 INFO  L78                 Accepts]: Start accepts. Automaton has 8734 states and 13041 transitions. Word has length 4307
[2024-12-02 13:50:41,260 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:50:41,260 INFO  L471      AbstractCegarLoop]: Abstraction has 8734 states and 13041 transitions.
[2024-12-02 13:50:41,261 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 861.4) internal successors, (4307), 5 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:41,261 INFO  L276                IsEmpty]: Start isEmpty. Operand 8734 states and 13041 transitions.
[2024-12-02 13:50:41,346 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4308
[2024-12-02 13:50:41,346 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:50:41,347 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:50:41,347 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2024-12-02 13:50:41,347 INFO  L396      AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:50:41,348 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:50:41,348 INFO  L85        PathProgramCache]: Analyzing trace with hash -1083075864, now seen corresponding path program 1 times
[2024-12-02 13:50:41,348 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:50:41,348 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468300063]
[2024-12-02 13:50:41,349 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:50:41,349 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:50:45,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:50:51,978 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:50:51,978 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:50:51,978 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468300063]
[2024-12-02 13:50:51,978 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468300063] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:50:51,979 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:50:51,980 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:50:51,980 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639609391]
[2024-12-02 13:50:51,980 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:50:51,981 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:50:51,981 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:50:51,983 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:50:51,983 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:50:51,984 INFO  L87              Difference]: Start difference. First operand 8734 states and 13041 transitions. Second operand  has 5 states, 5 states have (on average 861.4) internal successors, (4307), 5 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:52,538 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:50:52,538 INFO  L93              Difference]: Finished difference Result 16262 states and 24274 transitions.
[2024-12-02 13:50:52,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:50:52,540 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 861.4) internal successors, (4307), 5 states have internal predecessors, (4307), 0 states have call successors, (0), 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 4307
[2024-12-02 13:50:52,540 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:50:52,546 INFO  L225             Difference]: With dead ends: 16262
[2024-12-02 13:50:52,546 INFO  L226             Difference]: Without dead ends: 8734
[2024-12-02 13:50:52,550 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 13:50:52,550 INFO  L435           NwaCegarLoop]: 11185 mSDtfsCounter, 11117 mSDsluCounter, 11183 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11117 SdHoareTripleChecker+Valid, 22368 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:50:52,551 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11117 Valid, 22368 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:50:52,556 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8734 states.
[2024-12-02 13:50:52,602 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8734 to 8734.
[2024-12-02 13:50:52,608 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8734 states, 8733 states have (on average 1.493186762853544) internal successors, (13040), 8733 states have internal predecessors, (13040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:52,615 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8734 states to 8734 states and 13040 transitions.
[2024-12-02 13:50:52,615 INFO  L78                 Accepts]: Start accepts. Automaton has 8734 states and 13040 transitions. Word has length 4307
[2024-12-02 13:50:52,615 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:50:52,615 INFO  L471      AbstractCegarLoop]: Abstraction has 8734 states and 13040 transitions.
[2024-12-02 13:50:52,616 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 861.4) internal successors, (4307), 5 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:50:52,616 INFO  L276                IsEmpty]: Start isEmpty. Operand 8734 states and 13040 transitions.
[2024-12-02 13:50:52,685 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4309
[2024-12-02 13:50:52,685 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:50:52,686 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:50:52,686 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51
[2024-12-02 13:50:52,686 INFO  L396      AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:50:52,687 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:50:52,687 INFO  L85        PathProgramCache]: Analyzing trace with hash -579922215, now seen corresponding path program 1 times
[2024-12-02 13:50:52,687 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:50:52,687 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645782427]
[2024-12-02 13:50:52,687 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:50:52,687 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:50:59,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:51:08,245 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:51:08,245 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:51:08,245 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645782427]
[2024-12-02 13:51:08,245 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645782427] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:51:08,245 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:51:08,245 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:51:08,245 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814549415]
[2024-12-02 13:51:08,246 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:51:08,247 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:51:08,247 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:51:08,249 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:51:08,249 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:51:08,250 INFO  L87              Difference]: Start difference. First operand 8734 states and 13040 transitions. Second operand  has 4 states, 4 states have (on average 1077.0) internal successors, (4308), 4 states have internal predecessors, (4308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:09,316 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:51:09,317 INFO  L93              Difference]: Finished difference Result 16262 states and 24272 transitions.
[2024-12-02 13:51:09,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:51:09,318 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1077.0) internal successors, (4308), 4 states have internal predecessors, (4308), 0 states have call successors, (0), 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 4308
[2024-12-02 13:51:09,319 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:51:09,328 INFO  L225             Difference]: With dead ends: 16262
[2024-12-02 13:51:09,328 INFO  L226             Difference]: Without dead ends: 8734
[2024-12-02 13:51:09,334 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:51:09,334 INFO  L435           NwaCegarLoop]: 10982 mSDtfsCounter, 10482 mSDsluCounter, 10976 mSDsCounter, 0 mSdLazyCounter, 1171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10482 SdHoareTripleChecker+Valid, 21958 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:51:09,334 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10482 Valid, 21958 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1171 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 13:51:09,342 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8734 states.
[2024-12-02 13:51:09,410 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8734 to 8734.
[2024-12-02 13:51:09,416 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8734 states, 8733 states have (on average 1.4929577464788732) internal successors, (13038), 8733 states have internal predecessors, (13038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:09,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8734 states to 8734 states and 13038 transitions.
[2024-12-02 13:51:09,429 INFO  L78                 Accepts]: Start accepts. Automaton has 8734 states and 13038 transitions. Word has length 4308
[2024-12-02 13:51:09,430 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:51:09,430 INFO  L471      AbstractCegarLoop]: Abstraction has 8734 states and 13038 transitions.
[2024-12-02 13:51:09,431 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1077.0) internal successors, (4308), 4 states have internal predecessors, (4308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:51:09,431 INFO  L276                IsEmpty]: Start isEmpty. Operand 8734 states and 13038 transitions.
[2024-12-02 13:51:09,543 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4310
[2024-12-02 13:51:09,543 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:51:09,544 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 13:51:09,544 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52
[2024-12-02 13:51:09,544 INFO  L396      AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:51:09,544 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:51:09,545 INFO  L85        PathProgramCache]: Analyzing trace with hash -1949939328, now seen corresponding path program 1 times
[2024-12-02 13:51:09,545 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:51:09,545 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46972031]
[2024-12-02 13:51:09,545 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:51:09,545 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms