./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/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_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/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_7dbd080a-ee02-4178-9153-4db822f628d1/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 82b86c6cd174f4eeed42529d368b084a3082d6bbee740b41df67c5878679db59
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-01 23:14:55,439 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-01 23:14:55,503 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-01 23:14:55,509 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-01 23:14:55,509 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-01 23:14:55,535 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-01 23:14:55,535 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-01 23:14:55,535 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-01 23:14:55,536 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-01 23:14:55,536 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-01 23:14:55,536 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-01 23:14:55,536 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-01 23:14:55,537 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-01 23:14:55,537 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-01 23:14:55,537 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-01 23:14:55,537 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-01 23:14:55,537 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-01 23:14:55,537 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-01 23:14:55,537 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-01 23:14:55,538 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-01 23:14:55,538 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-01 23:14:55,538 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-01 23:14:55,538 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-01 23:14:55,538 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-01 23:14:55,538 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-01 23:14:55,538 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-01 23:14:55,538 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-01 23:14:55,538 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:14:55,538 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-01 23:14:55,539 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:14:55,539 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-01 23:14:55,539 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-01 23:14:55,539 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:14:55,539 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-01 23:14:55,539 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:14:55,539 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-01 23:14:55,539 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-01 23:14:55,539 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-01 23:14:55,539 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-01 23:14:55,540 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-01 23:14:55,540 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-01 23:14:55,540 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-01 23:14:55,540 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-01 23:14:55,540 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-01 23:14:55,540 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-01 23:14:55,540 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_7dbd080a-ee02-4178-9153-4db822f628d1/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 -> 82b86c6cd174f4eeed42529d368b084a3082d6bbee740b41df67c5878679db59
[2024-12-01 23:14:55,810 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-01 23:14:55,820 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-01 23:14:55,822 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-01 23:14:55,823 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-01 23:14:55,824 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-01 23:14:55,825 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c
[2024-12-01 23:14:58,565 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/data/8532b253c/f88d889e90024b948fadd1a6158ad84a/FLAG64422518b
[2024-12-01 23:14:58,946 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-01 23:14:58,947 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c
[2024-12-01 23:14:58,968 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/data/8532b253c/f88d889e90024b948fadd1a6158ad84a/FLAG64422518b
[2024-12-01 23:14:59,153 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/data/8532b253c/f88d889e90024b948fadd1a6158ad84a
[2024-12-01 23:14:59,156 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-01 23:14:59,157 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-01 23:14:59,159 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-01 23:14:59,159 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-01 23:14:59,164 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-01 23:14:59,165 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:14:59" (1/1) ...
[2024-12-01 23:14:59,166 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a08072d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:59, skipping insertion in model container
[2024-12-01 23:14:59,166 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:14:59" (1/1) ...
[2024-12-01 23:14:59,246 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-01 23:14:59,425 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_7dbd080a-ee02-4178-9153-4db822f628d1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c[1174,1187]
[2024-12-01 23:14:59,880 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:14:59,888 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-01 23:14:59,896 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_7dbd080a-ee02-4178-9153-4db822f628d1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c[1174,1187]
[2024-12-01 23:15:00,328 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:15:00,342 INFO  L204         MainTranslator]: Completed translation
[2024-12-01 23:15:00,342 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00 WrapperNode
[2024-12-01 23:15:00,343 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-01 23:15:00,344 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-01 23:15:00,344 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-01 23:15:00,344 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-01 23:15:00,351 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:00,446 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:01,654 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16934
[2024-12-01 23:15:01,655 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-01 23:15:01,656 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-01 23:15:01,656 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-01 23:15:01,656 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-01 23:15:01,664 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:01,664 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:02,153 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:02,365 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].
[2024-12-01 23:15:02,365 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:02,365 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:02,718 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:02,762 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:02,832 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:02,921 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:02,977 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:03,202 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-01 23:15:03,203 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-01 23:15:03,203 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-01 23:15:03,203 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-01 23:15:03,204 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (1/1) ...
[2024-12-01 23:15:03,210 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:15:03,223 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:03,235 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-01 23:15:03,238 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dbd080a-ee02-4178-9153-4db822f628d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-01 23:15:03,261 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-01 23:15:03,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-01 23:15:03,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-01 23:15:03,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-01 23:15:04,178 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-01 23:15:04,180 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-01 23:15:40,733 INFO  L?                        ?]: Removed 9331 outVars from TransFormulas that were not future-live.
[2024-12-01 23:15:40,733 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-01 23:15:40,802 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-01 23:15:40,802 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-01 23:15:40,803 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:15:40 BoogieIcfgContainer
[2024-12-01 23:15:40,803 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-01 23:15:40,805 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-01 23:15:40,806 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-01 23:15:40,809 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-01 23:15:40,810 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:14:59" (1/3) ...
[2024-12-01 23:15:40,810 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fac387f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:15:40, skipping insertion in model container
[2024-12-01 23:15:40,810 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:00" (2/3) ...
[2024-12-01 23:15:40,811 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fac387f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:15:40, skipping insertion in model container
[2024-12-01 23:15:40,811 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:15:40" (3/3) ...
[2024-12-01 23:15:40,812 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.rether.2.prop1-back-serstep.c
[2024-12-01 23:15:40,826 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-01 23:15:40,827 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.rether.2.prop1-back-serstep.c that has 1 procedures, 5894 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-01 23:15:40,950 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-01 23:15:40,961 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;@138ff8e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-01 23:15:40,961 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-01 23:15:40,977 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5894 states, 5892 states have (on average 1.5005091649694502) internal successors, (8841), 5893 states have internal predecessors, (8841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:41,008 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 548
[2024-12-01 23:15:41,008 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:15:41,009 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]
[2024-12-01 23:15:41,010 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:15:41,014 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:41,015 INFO  L85        PathProgramCache]: Analyzing trace with hash 1371456948, now seen corresponding path program 1 times
[2024-12-01 23:15:41,021 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:15:41,021 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974634933]
[2024-12-01 23:15:41,022 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:41,022 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:15:41,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:44,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:44,090 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:15:44,091 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974634933]
[2024-12-01 23:15:44,091 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974634933] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:44,091 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:44,092 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:15:44,093 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103694175]
[2024-12-01 23:15:44,094 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:44,099 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:15:44,099 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:15:44,117 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:15:44,117 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:15:44,126 INFO  L87              Difference]: Start difference. First operand  has 5894 states, 5892 states have (on average 1.5005091649694502) internal successors, (8841), 5893 states have internal predecessors, (8841), 0 states have call successors, (0), 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 5 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:50,742 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:50,742 INFO  L93              Difference]: Finished difference Result 16968 states and 25459 transitions.
[2024-12-01 23:15:50,743 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:15:50,744 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 0 states have call successors, (0), 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 547
[2024-12-01 23:15:50,745 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:50,790 INFO  L225             Difference]: With dead ends: 16968
[2024-12-01 23:15:50,790 INFO  L226             Difference]: Without dead ends: 11336
[2024-12-01 23:15:50,800 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:15:50,803 INFO  L435           NwaCegarLoop]: 6636 mSDtfsCounter, 8224 mSDsluCounter, 19742 mSDsCounter, 0 mSdLazyCounter, 8579 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8224 SdHoareTripleChecker+Valid, 26378 SdHoareTripleChecker+Invalid, 8580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:50,804 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8224 Valid, 26378 Invalid, 8580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 8579 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time]
[2024-12-01 23:15:50,826 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11336 states.
[2024-12-01 23:15:50,964 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11336 to 6302.
[2024-12-01 23:15:50,975 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6302 states, 6301 states have (on average 1.5000793524837328) internal successors, (9452), 6301 states have internal predecessors, (9452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:50,993 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6302 states to 6302 states and 9452 transitions.
[2024-12-01 23:15:50,994 INFO  L78                 Accepts]: Start accepts. Automaton has 6302 states and 9452 transitions. Word has length 547
[2024-12-01 23:15:50,996 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:50,996 INFO  L471      AbstractCegarLoop]: Abstraction has 6302 states and 9452 transitions.
[2024-12-01 23:15:50,997 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:50,997 INFO  L276                IsEmpty]: Start isEmpty. Operand 6302 states and 9452 transitions.
[2024-12-01 23:15:51,006 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 550
[2024-12-01 23:15:51,006 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:15:51,006 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]
[2024-12-01 23:15:51,007 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-01 23:15:51,007 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:15:51,008 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:51,008 INFO  L85        PathProgramCache]: Analyzing trace with hash 1579272113, now seen corresponding path program 1 times
[2024-12-01 23:15:51,008 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:15:51,008 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402251152]
[2024-12-01 23:15:51,008 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:51,008 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:15:51,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:52,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:52,190 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:15:52,191 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402251152]
[2024-12-01 23:15:52,191 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402251152] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:52,191 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:52,191 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:15:52,191 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924874885]
[2024-12-01 23:15:52,191 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:52,193 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:15:52,193 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:15:52,194 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:15:52,194 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:15:52,194 INFO  L87              Difference]: Start difference. First operand 6302 states and 9452 transitions. Second operand  has 4 states, 4 states have (on average 137.25) internal successors, (549), 4 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:52,284 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:52,285 INFO  L93              Difference]: Finished difference Result 6306 states and 9456 transitions.
[2024-12-01 23:15:52,285 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:15:52,286 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 137.25) internal successors, (549), 4 states have internal predecessors, (549), 0 states have call successors, (0), 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 549
[2024-12-01 23:15:52,287 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:52,298 INFO  L225             Difference]: With dead ends: 6306
[2024-12-01 23:15:52,298 INFO  L226             Difference]: Without dead ends: 6304
[2024-12-01 23:15:52,300 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
[2024-12-01 23:15:52,301 INFO  L435           NwaCegarLoop]: 8835 mSDtfsCounter, 0 mSDsluCounter, 17664 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26499 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:52,302 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26499 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:15:52,309 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6304 states.
[2024-12-01 23:15:52,378 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 6304.
[2024-12-01 23:15:52,388 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6304 states, 6303 states have (on average 1.4999206726955419) internal successors, (9454), 6303 states have internal predecessors, (9454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:52,404 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6304 states to 6304 states and 9454 transitions.
[2024-12-01 23:15:52,404 INFO  L78                 Accepts]: Start accepts. Automaton has 6304 states and 9454 transitions. Word has length 549
[2024-12-01 23:15:52,406 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:52,406 INFO  L471      AbstractCegarLoop]: Abstraction has 6304 states and 9454 transitions.
[2024-12-01 23:15:52,406 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 137.25) internal successors, (549), 4 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:52,407 INFO  L276                IsEmpty]: Start isEmpty. Operand 6304 states and 9454 transitions.
[2024-12-01 23:15:52,422 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 551
[2024-12-01 23:15:52,422 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:15:52,422 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]
[2024-12-01 23:15:52,422 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-01 23:15:52,422 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:15:52,423 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:52,423 INFO  L85        PathProgramCache]: Analyzing trace with hash 1714493923, now seen corresponding path program 1 times
[2024-12-01 23:15:52,424 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:15:52,424 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595724088]
[2024-12-01 23:15:52,424 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:52,424 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:15:52,657 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:53,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:53,193 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:15:53,194 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595724088]
[2024-12-01 23:15:53,194 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595724088] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:53,194 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:53,194 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:15:53,194 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62430690]
[2024-12-01 23:15:53,194 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:53,195 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:15:53,195 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:15:53,196 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:15:53,196 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:15:53,196 INFO  L87              Difference]: Start difference. First operand 6304 states and 9454 transitions. Second operand  has 4 states, 4 states have (on average 137.5) internal successors, (550), 4 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:53,300 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:53,301 INFO  L93              Difference]: Finished difference Result 11937 states and 17904 transitions.
[2024-12-01 23:15:53,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:15:53,302 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 137.5) internal successors, (550), 4 states have internal predecessors, (550), 0 states have call successors, (0), 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 550
[2024-12-01 23:15:53,303 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:53,318 INFO  L225             Difference]: With dead ends: 11937
[2024-12-01 23:15:53,318 INFO  L226             Difference]: Without dead ends: 6306
[2024-12-01 23:15:53,323 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
[2024-12-01 23:15:53,324 INFO  L435           NwaCegarLoop]: 8835 mSDtfsCounter, 0 mSDsluCounter, 17660 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26495 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
[2024-12-01 23:15:53,324 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26495 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:15:53,332 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6306 states.
[2024-12-01 23:15:53,398 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 6306.
[2024-12-01 23:15:53,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6306 states, 6305 states have (on average 1.4997620935765266) internal successors, (9456), 6305 states have internal predecessors, (9456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:53,418 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6306 states to 6306 states and 9456 transitions.
[2024-12-01 23:15:53,418 INFO  L78                 Accepts]: Start accepts. Automaton has 6306 states and 9456 transitions. Word has length 550
[2024-12-01 23:15:53,419 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:53,420 INFO  L471      AbstractCegarLoop]: Abstraction has 6306 states and 9456 transitions.
[2024-12-01 23:15:53,420 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 137.5) internal successors, (550), 4 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:53,420 INFO  L276                IsEmpty]: Start isEmpty. Operand 6306 states and 9456 transitions.
[2024-12-01 23:15:53,429 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 552
[2024-12-01 23:15:53,429 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:15:53,429 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]
[2024-12-01 23:15:53,429 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-01 23:15:53,430 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:15:53,430 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:53,431 INFO  L85        PathProgramCache]: Analyzing trace with hash 511741642, now seen corresponding path program 1 times
[2024-12-01 23:15:53,431 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:15:53,431 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859485396]
[2024-12-01 23:15:53,431 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:53,431 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:15:53,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:54,740 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:54,740 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:15:54,741 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859485396]
[2024-12-01 23:15:54,741 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859485396] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:54,741 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:54,741 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:15:54,741 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453769769]
[2024-12-01 23:15:54,741 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:54,744 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:15:54,745 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:15:54,746 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:15:54,747 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:15:54,747 INFO  L87              Difference]: Start difference. First operand 6306 states and 9456 transitions. Second operand  has 5 states, 5 states have (on average 110.2) internal successors, (551), 5 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:55,101 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:55,102 INFO  L93              Difference]: Finished difference Result 17147 states and 25718 transitions.
[2024-12-01 23:15:55,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:15:55,103 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 110.2) internal successors, (551), 5 states have internal predecessors, (551), 0 states have call successors, (0), 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 551
[2024-12-01 23:15:55,104 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:55,175 INFO  L225             Difference]: With dead ends: 17147
[2024-12-01 23:15:55,176 INFO  L226             Difference]: Without dead ends: 11514
[2024-12-01 23:15:55,185 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
[2024-12-01 23:15:55,187 INFO  L435           NwaCegarLoop]: 8833 mSDtfsCounter, 8276 mSDsluCounter, 26102 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8276 SdHoareTripleChecker+Valid, 34935 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:55,189 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8276 Valid, 34935 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:15:55,207 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11514 states.
[2024-12-01 23:15:55,369 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11514 to 6713.
[2024-12-01 23:15:55,382 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6713 states, 6712 states have (on average 1.4995530393325387) internal successors, (10065), 6712 states have internal predecessors, (10065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:55,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6713 states to 6713 states and 10065 transitions.
[2024-12-01 23:15:55,399 INFO  L78                 Accepts]: Start accepts. Automaton has 6713 states and 10065 transitions. Word has length 551
[2024-12-01 23:15:55,400 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:55,400 INFO  L471      AbstractCegarLoop]: Abstraction has 6713 states and 10065 transitions.
[2024-12-01 23:15:55,401 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 110.2) internal successors, (551), 5 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:55,401 INFO  L276                IsEmpty]: Start isEmpty. Operand 6713 states and 10065 transitions.
[2024-12-01 23:15:55,490 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3355
[2024-12-01 23:15:55,490 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:15:55,492 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:55,493 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-01 23:15:55,493 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:15:55,495 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:55,497 INFO  L85        PathProgramCache]: Analyzing trace with hash 175970425, now seen corresponding path program 1 times
[2024-12-01 23:15:55,497 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:15:55,497 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49851796]
[2024-12-01 23:15:55,498 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:55,498 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:16:00,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:16:07,490 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked.
[2024-12-01 23:16:07,491 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:16:07,491 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49851796]
[2024-12-01 23:16:07,491 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49851796] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:16:07,491 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:16:07,492 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:16:07,492 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798952963]
[2024-12-01 23:16:07,492 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:16:07,495 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:16:07,495 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:16:07,498 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:16:07,498 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:16:07,499 INFO  L87              Difference]: Start difference. First operand 6713 states and 10065 transitions. Second operand  has 5 states, 5 states have (on average 589.6) internal successors, (2948), 5 states have internal predecessors, (2948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:07,707 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:16:07,707 INFO  L93              Difference]: Finished difference Result 12350 states and 18519 transitions.
[2024-12-01 23:16:07,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:16:07,709 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 589.6) internal successors, (2948), 5 states have internal predecessors, (2948), 0 states have call successors, (0), 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 3354
[2024-12-01 23:16:07,716 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:16:07,735 INFO  L225             Difference]: With dead ends: 12350
[2024-12-01 23:16:07,735 INFO  L226             Difference]: Without dead ends: 6717
[2024-12-01 23:16:07,743 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
[2024-12-01 23:16:07,743 INFO  L435           NwaCegarLoop]: 8835 mSDtfsCounter, 0 mSDsluCounter, 26489 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35324 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:16:07,744 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35324 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:16:07,756 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6717 states.
[2024-12-01 23:16:07,894 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6717 to 6713.
[2024-12-01 23:16:07,906 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6713 states, 6712 states have (on average 1.4995530393325387) internal successors, (10065), 6712 states have internal predecessors, (10065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:07,921 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6713 states to 6713 states and 10065 transitions.
[2024-12-01 23:16:07,922 INFO  L78                 Accepts]: Start accepts. Automaton has 6713 states and 10065 transitions. Word has length 3354
[2024-12-01 23:16:07,926 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:16:07,926 INFO  L471      AbstractCegarLoop]: Abstraction has 6713 states and 10065 transitions.
[2024-12-01 23:16:07,927 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 589.6) internal successors, (2948), 5 states have internal predecessors, (2948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:07,928 INFO  L276                IsEmpty]: Start isEmpty. Operand 6713 states and 10065 transitions.
[2024-12-01 23:16:08,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3356
[2024-12-01 23:16:08,105 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:16:08,108 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:16:08,108 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-01 23:16:08,108 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:16:08,109 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:16:08,111 INFO  L85        PathProgramCache]: Analyzing trace with hash 2069006203, now seen corresponding path program 1 times
[2024-12-01 23:16:08,111 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:16:08,111 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866571315]
[2024-12-01 23:16:08,112 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:16:08,112 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:16:13,550 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:16:18,916 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:16:18,917 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:16:18,917 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866571315]
[2024-12-01 23:16:18,917 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866571315] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:16:18,917 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:16:18,917 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:16:18,917 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548649114]
[2024-12-01 23:16:18,918 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:16:18,921 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:16:18,921 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:16:18,924 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:16:18,924 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:16:18,926 INFO  L87              Difference]: Start difference. First operand 6713 states and 10065 transitions. Second operand  has 4 states, 4 states have (on average 838.75) internal successors, (3355), 4 states have internal predecessors, (3355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:19,247 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:16:19,247 INFO  L93              Difference]: Finished difference Result 12340 states and 18508 transitions.
[2024-12-01 23:16:19,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:16:19,249 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 838.75) internal successors, (3355), 4 states have internal predecessors, (3355), 0 states have call successors, (0), 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 3355
[2024-12-01 23:16:19,251 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:16:19,261 INFO  L225             Difference]: With dead ends: 12340
[2024-12-01 23:16:19,261 INFO  L226             Difference]: Without dead ends: 6705
[2024-12-01 23:16:19,266 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:16:19,266 INFO  L435           NwaCegarLoop]: 8711 mSDtfsCounter, 7388 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7388 SdHoareTripleChecker+Valid, 17419 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:16:19,267 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7388 Valid, 17419 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:16:19,276 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6705 states.
[2024-12-01 23:16:19,374 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6705.
[2024-12-01 23:16:19,384 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6705 states, 6704 states have (on average 1.4986575178997614) internal successors, (10047), 6704 states have internal predecessors, (10047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:19,396 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 10047 transitions.
[2024-12-01 23:16:19,397 INFO  L78                 Accepts]: Start accepts. Automaton has 6705 states and 10047 transitions. Word has length 3355
[2024-12-01 23:16:19,399 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:16:19,399 INFO  L471      AbstractCegarLoop]: Abstraction has 6705 states and 10047 transitions.
[2024-12-01 23:16:19,400 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 838.75) internal successors, (3355), 4 states have internal predecessors, (3355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:19,400 INFO  L276                IsEmpty]: Start isEmpty. Operand 6705 states and 10047 transitions.
[2024-12-01 23:16:19,497 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3357
[2024-12-01 23:16:19,498 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:16:19,500 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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[2024-12-01 23:16:19,501 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-01 23:16:19,501 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:16:19,502 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:16:19,504 INFO  L85        PathProgramCache]: Analyzing trace with hash -1206886070, now seen corresponding path program 1 times
[2024-12-01 23:16:19,504 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:16:19,505 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365536602]
[2024-12-01 23:16:19,506 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:16:19,506 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:16:22,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:16:27,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:16:27,652 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:16:27,652 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365536602]
[2024-12-01 23:16:27,652 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365536602] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:16:27,652 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:16:27,653 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:16:27,653 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679273653]
[2024-12-01 23:16:27,653 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:16:27,663 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:16:27,663 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:16:27,666 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:16:27,666 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:16:27,667 INFO  L87              Difference]: Start difference. First operand 6705 states and 10047 transitions. Second operand  has 4 states, 4 states have (on average 839.0) internal successors, (3356), 4 states have internal predecessors, (3356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:27,838 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:16:27,838 INFO  L93              Difference]: Finished difference Result 12335 states and 18484 transitions.
[2024-12-01 23:16:27,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:16:27,839 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 839.0) internal successors, (3356), 4 states have internal predecessors, (3356), 0 states have call successors, (0), 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 3356
[2024-12-01 23:16:27,841 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:16:27,849 INFO  L225             Difference]: With dead ends: 12335
[2024-12-01 23:16:27,849 INFO  L226             Difference]: Without dead ends: 6705
[2024-12-01 23:16:27,853 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:16:27,854 INFO  L435           NwaCegarLoop]: 8779 mSDtfsCounter, 7382 mSDsluCounter, 8771 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7382 SdHoareTripleChecker+Valid, 17550 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:16:27,854 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7382 Valid, 17550 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:16:27,861 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6705 states.
[2024-12-01 23:16:27,914 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6705.
[2024-12-01 23:16:27,921 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6705 states, 6704 states have (on average 1.498508353221957) internal successors, (10046), 6704 states have internal predecessors, (10046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:27,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 10046 transitions.
[2024-12-01 23:16:27,928 INFO  L78                 Accepts]: Start accepts. Automaton has 6705 states and 10046 transitions. Word has length 3356
[2024-12-01 23:16:27,929 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:16:27,929 INFO  L471      AbstractCegarLoop]: Abstraction has 6705 states and 10046 transitions.
[2024-12-01 23:16:27,930 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 839.0) internal successors, (3356), 4 states have internal predecessors, (3356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:27,930 INFO  L276                IsEmpty]: Start isEmpty. Operand 6705 states and 10046 transitions.
[2024-12-01 23:16:27,982 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3358
[2024-12-01 23:16:27,982 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:16:27,983 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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[2024-12-01 23:16:27,984 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-01 23:16:27,984 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:16:27,985 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:16:27,986 INFO  L85        PathProgramCache]: Analyzing trace with hash -7973677, now seen corresponding path program 1 times
[2024-12-01 23:16:27,986 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:16:27,986 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985166631]
[2024-12-01 23:16:27,987 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:16:27,987 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:16:30,973 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:16:38,935 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:16:38,936 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:16:38,936 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985166631]
[2024-12-01 23:16:38,936 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985166631] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:16:38,936 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:16:38,936 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-01 23:16:38,936 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978204063]
[2024-12-01 23:16:38,936 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:16:38,938 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-01 23:16:38,938 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:16:38,939 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-01 23:16:38,939 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:16:38,940 INFO  L87              Difference]: Start difference. First operand 6705 states and 10046 transitions. Second operand  has 7 states, 7 states have (on average 479.57142857142856) internal successors, (3357), 7 states have internal predecessors, (3357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:39,273 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:16:39,273 INFO  L93              Difference]: Finished difference Result 12352 states and 18508 transitions.
[2024-12-01 23:16:39,274 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-12-01 23:16:39,275 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 479.57142857142856) internal successors, (3357), 7 states have internal predecessors, (3357), 0 states have call successors, (0), 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 3357
[2024-12-01 23:16:39,277 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:16:39,287 INFO  L225             Difference]: With dead ends: 12352
[2024-12-01 23:16:39,287 INFO  L226             Difference]: Without dead ends: 6715
[2024-12-01 23:16:39,293 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-12-01 23:16:39,294 INFO  L435           NwaCegarLoop]: 8784 mSDtfsCounter, 7441 mSDsluCounter, 26312 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7441 SdHoareTripleChecker+Valid, 35096 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:16:39,294 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7441 Valid, 35096 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:16:39,303 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6715 states.
[2024-12-01 23:16:39,373 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6707.
[2024-12-01 23:16:39,382 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6707 states, 6706 states have (on average 1.4983596779003878) internal successors, (10048), 6706 states have internal predecessors, (10048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:39,392 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 10048 transitions.
[2024-12-01 23:16:39,392 INFO  L78                 Accepts]: Start accepts. Automaton has 6707 states and 10048 transitions. Word has length 3357
[2024-12-01 23:16:39,394 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:16:39,394 INFO  L471      AbstractCegarLoop]: Abstraction has 6707 states and 10048 transitions.
[2024-12-01 23:16:39,395 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 479.57142857142856) internal successors, (3357), 7 states have internal predecessors, (3357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:39,395 INFO  L276                IsEmpty]: Start isEmpty. Operand 6707 states and 10048 transitions.
[2024-12-01 23:16:39,476 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3359
[2024-12-01 23:16:39,476 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:16:39,478 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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[2024-12-01 23:16:39,478 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-01 23:16:39,478 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:16:39,479 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:16:39,481 INFO  L85        PathProgramCache]: Analyzing trace with hash 121005927, now seen corresponding path program 1 times
[2024-12-01 23:16:39,481 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:16:39,481 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664491392]
[2024-12-01 23:16:39,482 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:16:39,482 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:16:40,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:16:42,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:16:42,759 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:16:42,759 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664491392]
[2024-12-01 23:16:42,759 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664491392] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:16:42,759 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:16:42,760 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:16:42,760 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033262430]
[2024-12-01 23:16:42,760 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:16:42,761 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:16:42,761 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:16:42,763 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:16:42,763 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:16:42,764 INFO  L87              Difference]: Start difference. First operand 6707 states and 10048 transitions. Second operand  has 4 states, 4 states have (on average 839.5) internal successors, (3358), 4 states have internal predecessors, (3358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:42,982 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:16:42,982 INFO  L93              Difference]: Finished difference Result 12348 states and 18499 transitions.
[2024-12-01 23:16:42,983 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:16:42,983 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 839.5) internal successors, (3358), 4 states have internal predecessors, (3358), 0 states have call successors, (0), 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 3358
[2024-12-01 23:16:42,985 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:16:42,993 INFO  L225             Difference]: With dead ends: 12348
[2024-12-01 23:16:42,993 INFO  L226             Difference]: Without dead ends: 6710
[2024-12-01 23:16:42,998 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
[2024-12-01 23:16:42,998 INFO  L435           NwaCegarLoop]: 8806 mSDtfsCounter, 10 mSDsluCounter, 17516 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26322 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:16:42,999 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 26322 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:16:43,005 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6710 states.
[2024-12-01 23:16:43,056 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6710 to 6709.
[2024-12-01 23:16:43,062 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6709 states, 6708 states have (on average 1.498360166964818) internal successors, (10051), 6708 states have internal predecessors, (10051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:43,068 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6709 states to 6709 states and 10051 transitions.
[2024-12-01 23:16:43,069 INFO  L78                 Accepts]: Start accepts. Automaton has 6709 states and 10051 transitions. Word has length 3358
[2024-12-01 23:16:43,070 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:16:43,070 INFO  L471      AbstractCegarLoop]: Abstraction has 6709 states and 10051 transitions.
[2024-12-01 23:16:43,070 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 839.5) internal successors, (3358), 4 states have internal predecessors, (3358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:43,070 INFO  L276                IsEmpty]: Start isEmpty. Operand 6709 states and 10051 transitions.
[2024-12-01 23:16:43,123 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3359
[2024-12-01 23:16:43,123 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:16:43,124 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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[2024-12-01 23:16:43,124 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-01 23:16:43,124 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:16:43,125 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:16:43,127 INFO  L85        PathProgramCache]: Analyzing trace with hash -1846510216, now seen corresponding path program 1 times
[2024-12-01 23:16:43,127 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:16:43,127 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977897963]
[2024-12-01 23:16:43,128 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:16:43,128 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:16:46,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:16:51,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:16:51,472 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:16:51,472 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977897963]
[2024-12-01 23:16:51,472 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977897963] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:16:51,472 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:16:51,473 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:16:51,473 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578612039]
[2024-12-01 23:16:51,473 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:16:51,475 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:16:51,476 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:16:51,478 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:16:51,478 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:16:51,479 INFO  L87              Difference]: Start difference. First operand 6709 states and 10051 transitions. Second operand  has 5 states, 5 states have (on average 671.6) internal successors, (3358), 5 states have internal predecessors, (3358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:51,809 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:16:51,809 INFO  L93              Difference]: Finished difference Result 12341 states and 18490 transitions.
[2024-12-01 23:16:51,810 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:16:51,810 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 671.6) internal successors, (3358), 5 states have internal predecessors, (3358), 0 states have call successors, (0), 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 3358
[2024-12-01 23:16:51,811 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:16:51,818 INFO  L225             Difference]: With dead ends: 12341
[2024-12-01 23:16:51,819 INFO  L226             Difference]: Without dead ends: 6710
[2024-12-01 23:16:51,824 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:16:51,825 INFO  L435           NwaCegarLoop]: 8718 mSDtfsCounter, 14764 mSDsluCounter, 8711 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14764 SdHoareTripleChecker+Valid, 17429 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:16:51,825 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14764 Valid, 17429 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:16:51,834 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6710 states.
[2024-12-01 23:16:51,902 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6710 to 6710.
[2024-12-01 23:16:51,909 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6710 states, 6709 states have (on average 1.498285884632583) internal successors, (10052), 6709 states have internal predecessors, (10052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:51,919 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6710 states to 6710 states and 10052 transitions.
[2024-12-01 23:16:51,919 INFO  L78                 Accepts]: Start accepts. Automaton has 6710 states and 10052 transitions. Word has length 3358
[2024-12-01 23:16:51,921 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:16:51,921 INFO  L471      AbstractCegarLoop]: Abstraction has 6710 states and 10052 transitions.
[2024-12-01 23:16:51,922 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 671.6) internal successors, (3358), 5 states have internal predecessors, (3358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:51,922 INFO  L276                IsEmpty]: Start isEmpty. Operand 6710 states and 10052 transitions.
[2024-12-01 23:16:52,002 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3359
[2024-12-01 23:16:52,002 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:16:52,004 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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[2024-12-01 23:16:52,005 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-01 23:16:52,005 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:16:52,006 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:16:52,008 INFO  L85        PathProgramCache]: Analyzing trace with hash -1594053330, now seen corresponding path program 1 times
[2024-12-01 23:16:52,008 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:16:52,008 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487885167]
[2024-12-01 23:16:52,009 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:16:52,009 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:16:54,990 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:16:59,712 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:16:59,712 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:16:59,712 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487885167]
[2024-12-01 23:16:59,712 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487885167] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:16:59,712 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:16:59,712 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:16:59,712 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464426519]
[2024-12-01 23:16:59,713 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:16:59,715 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:16:59,715 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:16:59,717 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:16:59,717 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:16:59,717 INFO  L87              Difference]: Start difference. First operand 6710 states and 10052 transitions. Second operand  has 4 states, 4 states have (on average 839.5) internal successors, (3358), 4 states have internal predecessors, (3358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:59,832 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:16:59,833 INFO  L93              Difference]: Finished difference Result 12335 states and 18478 transitions.
[2024-12-01 23:16:59,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:16:59,834 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 839.5) internal successors, (3358), 4 states have internal predecessors, (3358), 0 states have call successors, (0), 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 3358
[2024-12-01 23:16:59,836 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:16:59,842 INFO  L225             Difference]: With dead ends: 12335
[2024-12-01 23:16:59,843 INFO  L226             Difference]: Without dead ends: 6703
[2024-12-01 23:16:59,847 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:16:59,848 INFO  L435           NwaCegarLoop]: 8788 mSDtfsCounter, 7379 mSDsluCounter, 8787 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7379 SdHoareTripleChecker+Valid, 17575 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:16:59,848 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7379 Valid, 17575 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:16:59,856 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6703 states.
[2024-12-01 23:16:59,929 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6703 to 6703.
[2024-12-01 23:16:59,936 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6703 states, 6702 states have (on average 1.4979110713219934) internal successors, (10039), 6702 states have internal predecessors, (10039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:59,946 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6703 states to 6703 states and 10039 transitions.
[2024-12-01 23:16:59,946 INFO  L78                 Accepts]: Start accepts. Automaton has 6703 states and 10039 transitions. Word has length 3358
[2024-12-01 23:16:59,948 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:16:59,948 INFO  L471      AbstractCegarLoop]: Abstraction has 6703 states and 10039 transitions.
[2024-12-01 23:16:59,949 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 839.5) internal successors, (3358), 4 states have internal predecessors, (3358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:16:59,949 INFO  L276                IsEmpty]: Start isEmpty. Operand 6703 states and 10039 transitions.
[2024-12-01 23:17:00,035 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3360
[2024-12-01 23:17:00,035 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:17:00,037 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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[2024-12-01 23:17:00,037 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-01 23:17:00,038 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:17:00,039 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:17:00,040 INFO  L85        PathProgramCache]: Analyzing trace with hash 1126075867, now seen corresponding path program 1 times
[2024-12-01 23:17:00,040 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:17:00,040 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950078372]
[2024-12-01 23:17:00,041 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:17:00,041 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:17:03,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:17:11,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:17:11,583 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:17:11,583 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950078372]
[2024-12-01 23:17:11,583 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950078372] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:17:11,583 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:17:11,584 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:17:11,584 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466455381]
[2024-12-01 23:17:11,584 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:17:11,587 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:17:11,587 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:17:11,589 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:17:11,589 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:17:11,589 INFO  L87              Difference]: Start difference. First operand 6703 states and 10039 transitions. Second operand  has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:11,837 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:17:11,837 INFO  L93              Difference]: Finished difference Result 12329 states and 18466 transitions.
[2024-12-01 23:17:11,837 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-01 23:17:11,838 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 0 states have call successors, (0), 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 3359
[2024-12-01 23:17:11,840 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:17:11,847 INFO  L225             Difference]: With dead ends: 12329
[2024-12-01 23:17:11,847 INFO  L226             Difference]: Without dead ends: 6704
[2024-12-01 23:17:11,854 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-12-01 23:17:11,854 INFO  L435           NwaCegarLoop]: 8779 mSDtfsCounter, 7387 mSDsluCounter, 26327 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7387 SdHoareTripleChecker+Valid, 35106 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:17:11,854 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7387 Valid, 35106 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:17:11,863 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:17:11,934 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704.
[2024-12-01 23:17:11,941 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6704 states, 6703 states have (on average 1.49783678949724) internal successors, (10040), 6703 states have internal predecessors, (10040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:11,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10040 transitions.
[2024-12-01 23:17:11,952 INFO  L78                 Accepts]: Start accepts. Automaton has 6704 states and 10040 transitions. Word has length 3359
[2024-12-01 23:17:11,954 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:17:11,954 INFO  L471      AbstractCegarLoop]: Abstraction has 6704 states and 10040 transitions.
[2024-12-01 23:17:11,955 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:11,955 INFO  L276                IsEmpty]: Start isEmpty. Operand 6704 states and 10040 transitions.
[2024-12-01 23:17:12,079 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3360
[2024-12-01 23:17:12,079 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:17:12,080 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:17:12,080 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-01 23:17:12,080 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:17:12,081 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:17:12,082 INFO  L85        PathProgramCache]: Analyzing trace with hash -980708837, now seen corresponding path program 1 times
[2024-12-01 23:17:12,082 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:17:12,082 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153809348]
[2024-12-01 23:17:12,083 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:17:12,083 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:17:15,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:17:19,895 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:17:19,895 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:17:19,896 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153809348]
[2024-12-01 23:17:19,896 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153809348] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:17:19,896 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:17:19,896 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:17:19,896 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475802263]
[2024-12-01 23:17:19,896 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:17:19,898 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:17:19,898 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:17:19,899 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:17:19,899 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:17:19,900 INFO  L87              Difference]: Start difference. First operand 6704 states and 10040 transitions. Second operand  has 5 states, 5 states have (on average 671.8) internal successors, (3359), 5 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:20,038 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:17:20,038 INFO  L93              Difference]: Finished difference Result 12331 states and 18468 transitions.
[2024-12-01 23:17:20,039 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:17:20,040 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 671.8) internal successors, (3359), 5 states have internal predecessors, (3359), 0 states have call successors, (0), 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 3359
[2024-12-01 23:17:20,041 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:17:20,045 INFO  L225             Difference]: With dead ends: 12331
[2024-12-01 23:17:20,045 INFO  L226             Difference]: Without dead ends: 6705
[2024-12-01 23:17:20,049 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
[2024-12-01 23:17:20,050 INFO  L435           NwaCegarLoop]: 8794 mSDtfsCounter, 7380 mSDsluCounter, 17583 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7380 SdHoareTripleChecker+Valid, 26377 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:17:20,050 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7380 Valid, 26377 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:17:20,056 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6705 states.
[2024-12-01 23:17:20,100 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6705.
[2024-12-01 23:17:20,106 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6705 states, 6704 states have (on average 1.4977625298329356) internal successors, (10041), 6704 states have internal predecessors, (10041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:20,112 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 10041 transitions.
[2024-12-01 23:17:20,113 INFO  L78                 Accepts]: Start accepts. Automaton has 6705 states and 10041 transitions. Word has length 3359
[2024-12-01 23:17:20,114 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:17:20,114 INFO  L471      AbstractCegarLoop]: Abstraction has 6705 states and 10041 transitions.
[2024-12-01 23:17:20,114 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 671.8) internal successors, (3359), 5 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:20,114 INFO  L276                IsEmpty]: Start isEmpty. Operand 6705 states and 10041 transitions.
[2024-12-01 23:17:20,186 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3360
[2024-12-01 23:17:20,186 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:17:20,188 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:17:20,188 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-01 23:17:20,188 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:17:20,189 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:17:20,190 INFO  L85        PathProgramCache]: Analyzing trace with hash -144779813, now seen corresponding path program 1 times
[2024-12-01 23:17:20,190 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:17:20,190 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420938549]
[2024-12-01 23:17:20,190 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:17:20,190 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:17:23,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:17:31,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:17:31,040 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:17:31,040 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420938549]
[2024-12-01 23:17:31,040 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420938549] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:17:31,040 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:17:31,040 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:17:31,040 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647897631]
[2024-12-01 23:17:31,041 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:17:31,042 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:17:31,042 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:17:31,044 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:17:31,044 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:17:31,045 INFO  L87              Difference]: Start difference. First operand 6705 states and 10041 transitions. Second operand  has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:31,323 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:17:31,323 INFO  L93              Difference]: Finished difference Result 12342 states and 18484 transitions.
[2024-12-01 23:17:31,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:17:31,325 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 0 states have call successors, (0), 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 3359
[2024-12-01 23:17:31,326 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:17:31,330 INFO  L225             Difference]: With dead ends: 12342
[2024-12-01 23:17:31,330 INFO  L226             Difference]: Without dead ends: 6715
[2024-12-01 23:17:31,334 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:17:31,334 INFO  L435           NwaCegarLoop]: 8744 mSDtfsCounter, 8816 mSDsluCounter, 17481 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8816 SdHoareTripleChecker+Valid, 26225 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:17:31,334 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8816 Valid, 26225 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:17:31,341 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6715 states.
[2024-12-01 23:17:31,385 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6707.
[2024-12-01 23:17:31,391 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6707 states, 6706 states have (on average 1.4976140769460184) internal successors, (10043), 6706 states have internal predecessors, (10043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:31,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 10043 transitions.
[2024-12-01 23:17:31,398 INFO  L78                 Accepts]: Start accepts. Automaton has 6707 states and 10043 transitions. Word has length 3359
[2024-12-01 23:17:31,399 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:17:31,399 INFO  L471      AbstractCegarLoop]: Abstraction has 6707 states and 10043 transitions.
[2024-12-01 23:17:31,400 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:31,400 INFO  L276                IsEmpty]: Start isEmpty. Operand 6707 states and 10043 transitions.
[2024-12-01 23:17:31,510 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3361
[2024-12-01 23:17:31,510 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:17:31,511 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:17:31,511 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-01 23:17:31,511 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:17:31,512 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:17:31,513 INFO  L85        PathProgramCache]: Analyzing trace with hash -1355805439, now seen corresponding path program 1 times
[2024-12-01 23:17:31,513 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:17:31,513 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070638206]
[2024-12-01 23:17:31,513 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:17:31,513 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:17:34,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:17:38,829 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:17:38,829 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:17:38,829 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070638206]
[2024-12-01 23:17:38,829 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070638206] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:17:38,829 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:17:38,830 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:17:38,830 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939056109]
[2024-12-01 23:17:38,830 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:17:38,831 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:17:38,831 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:17:38,833 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:17:38,833 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:17:38,834 INFO  L87              Difference]: Start difference. First operand 6707 states and 10043 transitions. Second operand  has 4 states, 4 states have (on average 840.0) internal successors, (3360), 4 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:39,087 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:17:39,087 INFO  L93              Difference]: Finished difference Result 12339 states and 18478 transitions.
[2024-12-01 23:17:39,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:17:39,088 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 840.0) internal successors, (3360), 4 states have internal predecessors, (3360), 0 states have call successors, (0), 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 3360
[2024-12-01 23:17:39,089 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:17:39,094 INFO  L225             Difference]: With dead ends: 12339
[2024-12-01 23:17:39,094 INFO  L226             Difference]: Without dead ends: 6710
[2024-12-01 23:17:39,098 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:17:39,099 INFO  L435           NwaCegarLoop]: 8713 mSDtfsCounter, 7365 mSDsluCounter, 8706 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7365 SdHoareTripleChecker+Valid, 17419 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:17:39,099 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7365 Valid, 17419 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:17:39,106 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6710 states.
[2024-12-01 23:17:39,183 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6710 to 6710.
[2024-12-01 23:17:39,186 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6710 states, 6709 states have (on average 1.4975406170815322) internal successors, (10047), 6709 states have internal predecessors, (10047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:39,192 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6710 states to 6710 states and 10047 transitions.
[2024-12-01 23:17:39,193 INFO  L78                 Accepts]: Start accepts. Automaton has 6710 states and 10047 transitions. Word has length 3360
[2024-12-01 23:17:39,193 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:17:39,194 INFO  L471      AbstractCegarLoop]: Abstraction has 6710 states and 10047 transitions.
[2024-12-01 23:17:39,194 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 840.0) internal successors, (3360), 4 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:39,194 INFO  L276                IsEmpty]: Start isEmpty. Operand 6710 states and 10047 transitions.
[2024-12-01 23:17:39,245 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3361
[2024-12-01 23:17:39,245 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:17:39,247 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:17:39,247 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-01 23:17:39,247 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:17:39,248 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:17:39,250 INFO  L85        PathProgramCache]: Analyzing trace with hash -827277112, now seen corresponding path program 1 times
[2024-12-01 23:17:39,250 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:17:39,250 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644967348]
[2024-12-01 23:17:39,250 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:17:39,250 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:17:42,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:17:47,442 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:17:47,442 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:17:47,443 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644967348]
[2024-12-01 23:17:47,443 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644967348] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:17:47,443 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:17:47,443 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:17:47,443 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63563295]
[2024-12-01 23:17:47,443 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:17:47,445 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:17:47,445 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:17:47,446 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:17:47,446 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:17:47,447 INFO  L87              Difference]: Start difference. First operand 6710 states and 10047 transitions. Second operand  has 4 states, 4 states have (on average 840.0) internal successors, (3360), 4 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:47,565 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:17:47,565 INFO  L93              Difference]: Finished difference Result 12335 states and 18468 transitions.
[2024-12-01 23:17:47,566 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:17:47,566 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 840.0) internal successors, (3360), 4 states have internal predecessors, (3360), 0 states have call successors, (0), 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 3360
[2024-12-01 23:17:47,567 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:17:47,572 INFO  L225             Difference]: With dead ends: 12335
[2024-12-01 23:17:47,572 INFO  L226             Difference]: Without dead ends: 6703
[2024-12-01 23:17:47,576 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:17:47,576 INFO  L435           NwaCegarLoop]: 8781 mSDtfsCounter, 7354 mSDsluCounter, 8780 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7354 SdHoareTripleChecker+Valid, 17561 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:17:47,577 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7354 Valid, 17561 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:17:47,582 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6703 states.
[2024-12-01 23:17:47,635 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6703 to 6703.
[2024-12-01 23:17:47,642 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6703 states, 6702 states have (on average 1.4971650253655626) internal successors, (10034), 6702 states have internal predecessors, (10034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:47,652 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6703 states to 6703 states and 10034 transitions.
[2024-12-01 23:17:47,652 INFO  L78                 Accepts]: Start accepts. Automaton has 6703 states and 10034 transitions. Word has length 3360
[2024-12-01 23:17:47,653 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:17:47,654 INFO  L471      AbstractCegarLoop]: Abstraction has 6703 states and 10034 transitions.
[2024-12-01 23:17:47,654 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 840.0) internal successors, (3360), 4 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:17:47,654 INFO  L276                IsEmpty]: Start isEmpty. Operand 6703 states and 10034 transitions.
[2024-12-01 23:17:47,735 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3362
[2024-12-01 23:17:47,735 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:17:47,737 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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[2024-12-01 23:17:47,737 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-01 23:17:47,738 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:17:47,738 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:17:47,739 INFO  L85        PathProgramCache]: Analyzing trace with hash -1886801629, now seen corresponding path program 1 times
[2024-12-01 23:17:47,739 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:17:47,739 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192650702]
[2024-12-01 23:17:47,740 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:17:47,740 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:17:51,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:17:59,795 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:17:59,796 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:17:59,796 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192650702]
[2024-12-01 23:17:59,796 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192650702] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:17:59,796 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:17:59,796 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:17:59,796 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878261950]
[2024-12-01 23:17:59,796 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:17:59,798 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:17:59,798 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:17:59,800 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:17:59,800 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:17:59,801 INFO  L87              Difference]: Start difference. First operand 6703 states and 10034 transitions. Second operand  has 6 states, 6 states have (on average 560.1666666666666) internal successors, (3361), 6 states have internal predecessors, (3361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:00,069 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:18:00,070 INFO  L93              Difference]: Finished difference Result 12329 states and 18456 transitions.
[2024-12-01 23:18:00,070 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-01 23:18:00,071 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 560.1666666666666) internal successors, (3361), 6 states have internal predecessors, (3361), 0 states have call successors, (0), 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 3361
[2024-12-01 23:18:00,072 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:18:00,077 INFO  L225             Difference]: With dead ends: 12329
[2024-12-01 23:18:00,077 INFO  L226             Difference]: Without dead ends: 6704
[2024-12-01 23:18:00,082 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-12-01 23:18:00,082 INFO  L435           NwaCegarLoop]: 8772 mSDtfsCounter, 7362 mSDsluCounter, 26307 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7362 SdHoareTripleChecker+Valid, 35079 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:18:00,082 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7362 Valid, 35079 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:18:00,089 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:18:00,146 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704.
[2024-12-01 23:18:00,153 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6704 states, 6703 states have (on average 1.497090854841116) internal successors, (10035), 6703 states have internal predecessors, (10035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:00,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10035 transitions.
[2024-12-01 23:18:00,165 INFO  L78                 Accepts]: Start accepts. Automaton has 6704 states and 10035 transitions. Word has length 3361
[2024-12-01 23:18:00,166 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:18:00,166 INFO  L471      AbstractCegarLoop]: Abstraction has 6704 states and 10035 transitions.
[2024-12-01 23:18:00,167 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 560.1666666666666) internal successors, (3361), 6 states have internal predecessors, (3361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:00,167 INFO  L276                IsEmpty]: Start isEmpty. Operand 6704 states and 10035 transitions.
[2024-12-01 23:18:00,226 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3362
[2024-12-01 23:18:00,226 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:18:00,227 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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[2024-12-01 23:18:00,227 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-01 23:18:00,227 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:18:00,229 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:18:00,230 INFO  L85        PathProgramCache]: Analyzing trace with hash -351849117, now seen corresponding path program 1 times
[2024-12-01 23:18:00,230 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:18:00,230 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398636976]
[2024-12-01 23:18:00,230 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:18:00,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:18:03,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:18:09,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:18:09,260 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:18:09,260 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398636976]
[2024-12-01 23:18:09,260 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398636976] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:18:09,260 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:18:09,261 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:18:09,261 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447749629]
[2024-12-01 23:18:09,261 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:18:09,263 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:18:09,263 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:18:09,266 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:18:09,266 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:18:09,267 INFO  L87              Difference]: Start difference. First operand 6704 states and 10035 transitions. Second operand  has 5 states, 5 states have (on average 672.2) internal successors, (3361), 5 states have internal predecessors, (3361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:09,494 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:18:09,494 INFO  L93              Difference]: Finished difference Result 12330 states and 18456 transitions.
[2024-12-01 23:18:09,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:18:09,496 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 672.2) internal successors, (3361), 5 states have internal predecessors, (3361), 0 states have call successors, (0), 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 3361
[2024-12-01 23:18:09,497 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:18:09,501 INFO  L225             Difference]: With dead ends: 12330
[2024-12-01 23:18:09,501 INFO  L226             Difference]: Without dead ends: 6704
[2024-12-01 23:18:09,505 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
[2024-12-01 23:18:09,505 INFO  L435           NwaCegarLoop]: 8753 mSDtfsCounter, 16130 mSDsluCounter, 8750 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16130 SdHoareTripleChecker+Valid, 17503 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:18:09,505 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16130 Valid, 17503 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:18:09,511 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:18:09,575 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704.
[2024-12-01 23:18:09,582 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6704 states, 6703 states have (on average 1.496941667909891) internal successors, (10034), 6703 states have internal predecessors, (10034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:09,594 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10034 transitions.
[2024-12-01 23:18:09,594 INFO  L78                 Accepts]: Start accepts. Automaton has 6704 states and 10034 transitions. Word has length 3361
[2024-12-01 23:18:09,595 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:18:09,595 INFO  L471      AbstractCegarLoop]: Abstraction has 6704 states and 10034 transitions.
[2024-12-01 23:18:09,595 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 672.2) internal successors, (3361), 5 states have internal predecessors, (3361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:09,595 INFO  L276                IsEmpty]: Start isEmpty. Operand 6704 states and 10034 transitions.
[2024-12-01 23:18:09,742 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3363
[2024-12-01 23:18:09,742 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:18:09,743 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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[2024-12-01 23:18:09,743 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-01 23:18:09,743 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:18:09,744 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:18:09,745 INFO  L85        PathProgramCache]: Analyzing trace with hash 1743810428, now seen corresponding path program 1 times
[2024-12-01 23:18:09,745 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:18:09,745 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407538738]
[2024-12-01 23:18:09,746 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:18:09,746 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:18:12,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:18:16,807 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:18:16,807 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:18:16,807 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407538738]
[2024-12-01 23:18:16,808 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407538738] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:18:16,808 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:18:16,808 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:18:16,808 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295882895]
[2024-12-01 23:18:16,808 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:18:16,809 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:18:16,810 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:18:16,811 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:18:16,811 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:18:16,812 INFO  L87              Difference]: Start difference. First operand 6704 states and 10034 transitions. Second operand  has 4 states, 4 states have (on average 840.5) internal successors, (3362), 4 states have internal predecessors, (3362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:17,024 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:18:17,025 INFO  L93              Difference]: Finished difference Result 12330 states and 18454 transitions.
[2024-12-01 23:18:17,025 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:18:17,026 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 840.5) internal successors, (3362), 4 states have internal predecessors, (3362), 0 states have call successors, (0), 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 3362
[2024-12-01 23:18:17,027 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:18:17,032 INFO  L225             Difference]: With dead ends: 12330
[2024-12-01 23:18:17,032 INFO  L226             Difference]: Without dead ends: 6704
[2024-12-01 23:18:17,036 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:18:17,036 INFO  L435           NwaCegarLoop]: 8707 mSDtfsCounter, 7344 mSDsluCounter, 8701 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7344 SdHoareTripleChecker+Valid, 17408 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:18:17,036 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7344 Valid, 17408 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:18:17,042 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:18:17,087 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704.
[2024-12-01 23:18:17,093 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6704 states, 6703 states have (on average 1.4966432940474415) internal successors, (10032), 6703 states have internal predecessors, (10032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:17,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10032 transitions.
[2024-12-01 23:18:17,100 INFO  L78                 Accepts]: Start accepts. Automaton has 6704 states and 10032 transitions. Word has length 3362
[2024-12-01 23:18:17,101 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:18:17,101 INFO  L471      AbstractCegarLoop]: Abstraction has 6704 states and 10032 transitions.
[2024-12-01 23:18:17,101 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 840.5) internal successors, (3362), 4 states have internal predecessors, (3362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:17,101 INFO  L276                IsEmpty]: Start isEmpty. Operand 6704 states and 10032 transitions.
[2024-12-01 23:18:17,234 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3364
[2024-12-01 23:18:17,234 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:18:17,236 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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[2024-12-01 23:18:17,236 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-01 23:18:17,236 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:18:17,237 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:18:17,239 INFO  L85        PathProgramCache]: Analyzing trace with hash 1822199035, now seen corresponding path program 1 times
[2024-12-01 23:18:17,239 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:18:17,239 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172787013]
[2024-12-01 23:18:17,239 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:18:17,239 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:18:20,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:18:25,315 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:18:25,315 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:18:25,315 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172787013]
[2024-12-01 23:18:25,315 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172787013] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:18:25,316 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:18:25,316 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:18:25,316 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226244647]
[2024-12-01 23:18:25,316 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:18:25,319 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:18:25,319 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:18:25,321 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:18:25,321 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:18:25,321 INFO  L87              Difference]: Start difference. First operand 6704 states and 10032 transitions. Second operand  has 5 states, 5 states have (on average 672.6) internal successors, (3363), 5 states have internal predecessors, (3363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:25,458 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:18:25,458 INFO  L93              Difference]: Finished difference Result 12331 states and 18452 transitions.
[2024-12-01 23:18:25,459 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:18:25,459 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 672.6) internal successors, (3363), 5 states have internal predecessors, (3363), 0 states have call successors, (0), 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 3363
[2024-12-01 23:18:25,461 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:18:25,465 INFO  L225             Difference]: With dead ends: 12331
[2024-12-01 23:18:25,465 INFO  L226             Difference]: Without dead ends: 6705
[2024-12-01 23:18:25,469 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
[2024-12-01 23:18:25,469 INFO  L435           NwaCegarLoop]: 8784 mSDtfsCounter, 7352 mSDsluCounter, 17563 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7352 SdHoareTripleChecker+Valid, 26347 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:18:25,470 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7352 Valid, 26347 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:18:25,477 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6705 states.
[2024-12-01 23:18:25,520 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6705.
[2024-12-01 23:18:25,525 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6705 states, 6704 states have (on average 1.4965692124105012) internal successors, (10033), 6704 states have internal predecessors, (10033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:25,532 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 10033 transitions.
[2024-12-01 23:18:25,532 INFO  L78                 Accepts]: Start accepts. Automaton has 6705 states and 10033 transitions. Word has length 3363
[2024-12-01 23:18:25,533 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:18:25,533 INFO  L471      AbstractCegarLoop]: Abstraction has 6705 states and 10033 transitions.
[2024-12-01 23:18:25,533 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 672.6) internal successors, (3363), 5 states have internal predecessors, (3363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:25,533 INFO  L276                IsEmpty]: Start isEmpty. Operand 6705 states and 10033 transitions.
[2024-12-01 23:18:25,584 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3364
[2024-12-01 23:18:25,584 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:18:25,585 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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[2024-12-01 23:18:25,585 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-01 23:18:25,586 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:18:25,587 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:18:25,587 INFO  L85        PathProgramCache]: Analyzing trace with hash 1431134395, now seen corresponding path program 1 times
[2024-12-01 23:18:25,587 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:18:25,587 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030466712]
[2024-12-01 23:18:25,588 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:18:25,588 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:18:28,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:18:35,612 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:18:35,612 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:18:35,612 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030466712]
[2024-12-01 23:18:35,612 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030466712] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:18:35,613 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:18:35,613 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:18:35,613 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369375394]
[2024-12-01 23:18:35,613 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:18:35,616 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:18:35,616 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:18:35,618 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:18:35,618 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:18:35,619 INFO  L87              Difference]: Start difference. First operand 6705 states and 10033 transitions. Second operand  has 6 states, 6 states have (on average 560.5) internal successors, (3363), 6 states have internal predecessors, (3363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:35,919 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:18:35,919 INFO  L93              Difference]: Finished difference Result 12342 states and 18468 transitions.
[2024-12-01 23:18:35,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:18:35,920 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 560.5) internal successors, (3363), 6 states have internal predecessors, (3363), 0 states have call successors, (0), 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 3363
[2024-12-01 23:18:35,921 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:18:35,926 INFO  L225             Difference]: With dead ends: 12342
[2024-12-01 23:18:35,926 INFO  L226             Difference]: Without dead ends: 6715
[2024-12-01 23:18:35,930 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:18:35,931 INFO  L435           NwaCegarLoop]: 8736 mSDtfsCounter, 16134 mSDsluCounter, 17464 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16134 SdHoareTripleChecker+Valid, 26200 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:18:35,932 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16134 Valid, 26200 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:18:35,938 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6715 states.
[2024-12-01 23:18:35,980 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6707.
[2024-12-01 23:18:35,985 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6707 states, 6706 states have (on average 1.4964211154190277) internal successors, (10035), 6706 states have internal predecessors, (10035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:35,992 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 10035 transitions.
[2024-12-01 23:18:35,992 INFO  L78                 Accepts]: Start accepts. Automaton has 6707 states and 10035 transitions. Word has length 3363
[2024-12-01 23:18:35,993 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:18:35,993 INFO  L471      AbstractCegarLoop]: Abstraction has 6707 states and 10035 transitions.
[2024-12-01 23:18:35,994 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 560.5) internal successors, (3363), 6 states have internal predecessors, (3363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:35,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 6707 states and 10035 transitions.
[2024-12-01 23:18:36,046 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3365
[2024-12-01 23:18:36,046 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:18:36,047 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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[2024-12-01 23:18:36,047 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-01 23:18:36,047 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:18:36,048 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:18:36,049 INFO  L85        PathProgramCache]: Analyzing trace with hash -497658381, now seen corresponding path program 1 times
[2024-12-01 23:18:36,050 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:18:36,050 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885632713]
[2024-12-01 23:18:36,050 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:18:36,050 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:18:40,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:18:45,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:18:45,401 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:18:45,401 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885632713]
[2024-12-01 23:18:45,401 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885632713] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:18:45,401 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:18:45,401 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:18:45,401 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243218130]
[2024-12-01 23:18:45,401 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:18:45,404 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:18:45,404 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:18:45,406 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:18:45,406 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:18:45,407 INFO  L87              Difference]: Start difference. First operand 6707 states and 10035 transitions. Second operand  has 4 states, 4 states have (on average 841.0) internal successors, (3364), 4 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:45,636 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:18:45,637 INFO  L93              Difference]: Finished difference Result 12339 states and 18462 transitions.
[2024-12-01 23:18:45,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:18:45,638 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 841.0) internal successors, (3364), 4 states have internal predecessors, (3364), 0 states have call successors, (0), 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 3364
[2024-12-01 23:18:45,640 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:18:45,645 INFO  L225             Difference]: With dead ends: 12339
[2024-12-01 23:18:45,645 INFO  L226             Difference]: Without dead ends: 6710
[2024-12-01 23:18:45,649 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:18:45,651 INFO  L435           NwaCegarLoop]: 8707 mSDtfsCounter, 7337 mSDsluCounter, 8700 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7337 SdHoareTripleChecker+Valid, 17407 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:18:45,652 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7337 Valid, 17407 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:18:45,659 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6710 states.
[2024-12-01 23:18:45,702 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6710 to 6710.
[2024-12-01 23:18:45,708 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6710 states, 6709 states have (on average 1.496348188999851) internal successors, (10039), 6709 states have internal predecessors, (10039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:45,714 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6710 states to 6710 states and 10039 transitions.
[2024-12-01 23:18:45,714 INFO  L78                 Accepts]: Start accepts. Automaton has 6710 states and 10039 transitions. Word has length 3364
[2024-12-01 23:18:45,716 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:18:45,716 INFO  L471      AbstractCegarLoop]: Abstraction has 6710 states and 10039 transitions.
[2024-12-01 23:18:45,716 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 841.0) internal successors, (3364), 4 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:45,716 INFO  L276                IsEmpty]: Start isEmpty. Operand 6710 states and 10039 transitions.
[2024-12-01 23:18:45,768 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3365
[2024-12-01 23:18:45,768 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:18:45,769 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:18:45,770 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-01 23:18:45,770 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:18:45,771 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:18:45,771 INFO  L85        PathProgramCache]: Analyzing trace with hash 1558979066, now seen corresponding path program 1 times
[2024-12-01 23:18:45,772 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:18:45,772 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61264172]
[2024-12-01 23:18:45,772 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:18:45,772 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:18:49,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:18:54,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:18:54,996 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:18:54,996 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61264172]
[2024-12-01 23:18:54,996 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61264172] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:18:54,996 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:18:54,996 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:18:54,996 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997539557]
[2024-12-01 23:18:54,996 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:18:54,999 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:18:54,999 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:18:55,001 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:18:55,001 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:18:55,002 INFO  L87              Difference]: Start difference. First operand 6710 states and 10039 transitions. Second operand  has 4 states, 4 states have (on average 841.0) internal successors, (3364), 4 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:55,105 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:18:55,105 INFO  L93              Difference]: Finished difference Result 12335 states and 18452 transitions.
[2024-12-01 23:18:55,105 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:18:55,106 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 841.0) internal successors, (3364), 4 states have internal predecessors, (3364), 0 states have call successors, (0), 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 3364
[2024-12-01 23:18:55,107 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:18:55,111 INFO  L225             Difference]: With dead ends: 12335
[2024-12-01 23:18:55,111 INFO  L226             Difference]: Without dead ends: 6703
[2024-12-01 23:18:55,115 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:18:55,115 INFO  L435           NwaCegarLoop]: 8771 mSDtfsCounter, 7326 mSDsluCounter, 8770 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7326 SdHoareTripleChecker+Valid, 17541 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:18:55,115 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7326 Valid, 17541 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:18:55,121 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6703 states.
[2024-12-01 23:18:55,162 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6703 to 6703.
[2024-12-01 23:18:55,168 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6703 states, 6702 states have (on average 1.495971351835273) internal successors, (10026), 6702 states have internal predecessors, (10026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:55,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6703 states to 6703 states and 10026 transitions.
[2024-12-01 23:18:55,175 INFO  L78                 Accepts]: Start accepts. Automaton has 6703 states and 10026 transitions. Word has length 3364
[2024-12-01 23:18:55,175 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:18:55,175 INFO  L471      AbstractCegarLoop]: Abstraction has 6703 states and 10026 transitions.
[2024-12-01 23:18:55,176 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 841.0) internal successors, (3364), 4 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:18:55,176 INFO  L276                IsEmpty]: Start isEmpty. Operand 6703 states and 10026 transitions.
[2024-12-01 23:18:55,228 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3366
[2024-12-01 23:18:55,228 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:18:55,229 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:18:55,229 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-01 23:18:55,229 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:18:55,230 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:18:55,230 INFO  L85        PathProgramCache]: Analyzing trace with hash 1184271427, now seen corresponding path program 1 times
[2024-12-01 23:18:55,230 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:18:55,230 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332761889]
[2024-12-01 23:18:55,231 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:18:55,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:18:58,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:19:04,882 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:19:04,882 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:19:04,882 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332761889]
[2024-12-01 23:19:04,882 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332761889] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:19:04,882 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:19:04,883 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:19:04,883 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260979028]
[2024-12-01 23:19:04,883 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:19:04,885 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:19:04,885 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:19:04,886 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:19:04,886 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:19:04,887 INFO  L87              Difference]: Start difference. First operand 6703 states and 10026 transitions. Second operand  has 6 states, 6 states have (on average 560.8333333333334) internal successors, (3365), 6 states have internal predecessors, (3365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:05,093 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:19:05,093 INFO  L93              Difference]: Finished difference Result 12329 states and 18440 transitions.
[2024-12-01 23:19:05,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-01 23:19:05,094 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 560.8333333333334) internal successors, (3365), 6 states have internal predecessors, (3365), 0 states have call successors, (0), 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 3365
[2024-12-01 23:19:05,095 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:19:05,100 INFO  L225             Difference]: With dead ends: 12329
[2024-12-01 23:19:05,100 INFO  L226             Difference]: Without dead ends: 6704
[2024-12-01 23:19:05,103 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-12-01 23:19:05,104 INFO  L435           NwaCegarLoop]: 8762 mSDtfsCounter, 7334 mSDsluCounter, 26276 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7334 SdHoareTripleChecker+Valid, 35038 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:19:05,104 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7334 Valid, 35038 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:19:05,110 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:19:05,152 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704.
[2024-12-01 23:19:05,157 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6704 states, 6703 states have (on average 1.4958973593913174) internal successors, (10027), 6703 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:05,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10027 transitions.
[2024-12-01 23:19:05,164 INFO  L78                 Accepts]: Start accepts. Automaton has 6704 states and 10027 transitions. Word has length 3365
[2024-12-01 23:19:05,165 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:19:05,165 INFO  L471      AbstractCegarLoop]: Abstraction has 6704 states and 10027 transitions.
[2024-12-01 23:19:05,165 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 560.8333333333334) internal successors, (3365), 6 states have internal predecessors, (3365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:05,166 INFO  L276                IsEmpty]: Start isEmpty. Operand 6704 states and 10027 transitions.
[2024-12-01 23:19:05,217 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3366
[2024-12-01 23:19:05,217 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:19:05,218 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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[2024-12-01 23:19:05,218 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-01 23:19:05,219 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:19:05,219 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:19:05,220 INFO  L85        PathProgramCache]: Analyzing trace with hash -2135654269, now seen corresponding path program 1 times
[2024-12-01 23:19:05,220 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:19:05,220 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904597277]
[2024-12-01 23:19:05,220 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:19:05,221 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:19:09,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:19:14,513 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:19:14,514 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:19:14,514 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904597277]
[2024-12-01 23:19:14,514 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904597277] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:19:14,514 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:19:14,514 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:19:14,514 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074545946]
[2024-12-01 23:19:14,514 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:19:14,516 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:19:14,517 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:19:14,519 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:19:14,519 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:19:14,520 INFO  L87              Difference]: Start difference. First operand 6704 states and 10027 transitions. Second operand  has 5 states, 5 states have (on average 673.0) internal successors, (3365), 5 states have internal predecessors, (3365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:14,749 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:19:14,750 INFO  L93              Difference]: Finished difference Result 12330 states and 18440 transitions.
[2024-12-01 23:19:14,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:19:14,751 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 673.0) internal successors, (3365), 5 states have internal predecessors, (3365), 0 states have call successors, (0), 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 3365
[2024-12-01 23:19:14,752 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:19:14,758 INFO  L225             Difference]: With dead ends: 12330
[2024-12-01 23:19:14,758 INFO  L226             Difference]: Without dead ends: 6704
[2024-12-01 23:19:14,762 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
[2024-12-01 23:19:14,762 INFO  L435           NwaCegarLoop]: 8745 mSDtfsCounter, 16074 mSDsluCounter, 8742 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16074 SdHoareTripleChecker+Valid, 17487 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:19:14,763 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16074 Valid, 17487 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:19:14,771 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:19:14,835 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704.
[2024-12-01 23:19:14,841 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6704 states, 6703 states have (on average 1.4957481724600925) internal successors, (10026), 6703 states have internal predecessors, (10026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:14,851 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10026 transitions.
[2024-12-01 23:19:14,852 INFO  L78                 Accepts]: Start accepts. Automaton has 6704 states and 10026 transitions. Word has length 3365
[2024-12-01 23:19:14,853 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:19:14,853 INFO  L471      AbstractCegarLoop]: Abstraction has 6704 states and 10026 transitions.
[2024-12-01 23:19:14,853 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 673.0) internal successors, (3365), 5 states have internal predecessors, (3365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:14,854 INFO  L276                IsEmpty]: Start isEmpty. Operand 6704 states and 10026 transitions.
[2024-12-01 23:19:15,027 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3367
[2024-12-01 23:19:15,027 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:19:15,027 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:19:15,027 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-12-01 23:19:15,028 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:19:15,028 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:19:15,029 INFO  L85        PathProgramCache]: Analyzing trace with hash 1846456686, now seen corresponding path program 1 times
[2024-12-01 23:19:15,029 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:19:15,029 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127241179]
[2024-12-01 23:19:15,029 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:19:15,029 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:19:17,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:19:22,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:19:22,660 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:19:22,660 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127241179]
[2024-12-01 23:19:22,660 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127241179] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:19:22,660 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:19:22,660 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:19:22,660 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196588761]
[2024-12-01 23:19:22,660 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:19:22,662 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:19:22,662 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:19:22,663 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:19:22,663 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:19:22,664 INFO  L87              Difference]: Start difference. First operand 6704 states and 10026 transitions. Second operand  has 4 states, 4 states have (on average 841.5) internal successors, (3366), 4 states have internal predecessors, (3366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:22,856 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:19:22,857 INFO  L93              Difference]: Finished difference Result 12330 states and 18438 transitions.
[2024-12-01 23:19:22,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:19:22,858 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 841.5) internal successors, (3366), 4 states have internal predecessors, (3366), 0 states have call successors, (0), 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 3366
[2024-12-01 23:19:22,859 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:19:22,863 INFO  L225             Difference]: With dead ends: 12330
[2024-12-01 23:19:22,863 INFO  L226             Difference]: Without dead ends: 6704
[2024-12-01 23:19:22,866 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:19:22,867 INFO  L435           NwaCegarLoop]: 8701 mSDtfsCounter, 7310 mSDsluCounter, 8696 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7310 SdHoareTripleChecker+Valid, 17397 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:19:22,867 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7310 Valid, 17397 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:19:22,873 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:19:22,996 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704.
[2024-12-01 23:19:23,003 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6704 states, 6703 states have (on average 1.495449798597643) internal successors, (10024), 6703 states have internal predecessors, (10024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:23,014 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10024 transitions.
[2024-12-01 23:19:23,014 INFO  L78                 Accepts]: Start accepts. Automaton has 6704 states and 10024 transitions. Word has length 3366
[2024-12-01 23:19:23,016 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:19:23,016 INFO  L471      AbstractCegarLoop]: Abstraction has 6704 states and 10024 transitions.
[2024-12-01 23:19:23,016 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 841.5) internal successors, (3366), 4 states have internal predecessors, (3366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:23,016 INFO  L276                IsEmpty]: Start isEmpty. Operand 6704 states and 10024 transitions.
[2024-12-01 23:19:23,106 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3368
[2024-12-01 23:19:23,106 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:19:23,108 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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[2024-12-01 23:19:23,108 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-01 23:19:23,108 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:19:23,109 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:19:23,110 INFO  L85        PathProgramCache]: Analyzing trace with hash 132211803, now seen corresponding path program 1 times
[2024-12-01 23:19:23,110 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:19:23,110 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997903975]
[2024-12-01 23:19:23,111 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:19:23,111 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:19:26,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:19:30,194 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:19:30,195 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:19:30,195 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997903975]
[2024-12-01 23:19:30,195 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997903975] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:19:30,195 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:19:30,195 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:19:30,195 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185213851]
[2024-12-01 23:19:30,195 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:19:30,197 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:19:30,197 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:19:30,198 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:19:30,198 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:19:30,198 INFO  L87              Difference]: Start difference. First operand 6704 states and 10024 transitions. Second operand  has 5 states, 5 states have (on average 673.4) internal successors, (3367), 5 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:30,315 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:19:30,315 INFO  L93              Difference]: Finished difference Result 12331 states and 18436 transitions.
[2024-12-01 23:19:30,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:19:30,317 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 673.4) internal successors, (3367), 5 states have internal predecessors, (3367), 0 states have call successors, (0), 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 3367
[2024-12-01 23:19:30,318 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:19:30,322 INFO  L225             Difference]: With dead ends: 12331
[2024-12-01 23:19:30,322 INFO  L226             Difference]: Without dead ends: 6705
[2024-12-01 23:19:30,325 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
[2024-12-01 23:19:30,325 INFO  L435           NwaCegarLoop]: 8774 mSDtfsCounter, 7324 mSDsluCounter, 17543 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7324 SdHoareTripleChecker+Valid, 26317 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:19:30,325 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7324 Valid, 26317 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:19:30,330 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6705 states.
[2024-12-01 23:19:30,366 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6705.
[2024-12-01 23:19:30,372 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6705 states, 6704 states have (on average 1.495375894988067) internal successors, (10025), 6704 states have internal predecessors, (10025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:30,378 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 10025 transitions.
[2024-12-01 23:19:30,378 INFO  L78                 Accepts]: Start accepts. Automaton has 6705 states and 10025 transitions. Word has length 3367
[2024-12-01 23:19:30,379 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:19:30,379 INFO  L471      AbstractCegarLoop]: Abstraction has 6705 states and 10025 transitions.
[2024-12-01 23:19:30,379 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 673.4) internal successors, (3367), 5 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:30,379 INFO  L276                IsEmpty]: Start isEmpty. Operand 6705 states and 10025 transitions.
[2024-12-01 23:19:30,515 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3368
[2024-12-01 23:19:30,515 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:19:30,516 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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[2024-12-01 23:19:30,516 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-12-01 23:19:30,516 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:19:30,517 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:19:30,517 INFO  L85        PathProgramCache]: Analyzing trace with hash -1418999781, now seen corresponding path program 1 times
[2024-12-01 23:19:30,517 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:19:30,517 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778737527]
[2024-12-01 23:19:30,517 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:19:30,517 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:19:32,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:19:39,418 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:19:39,418 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:19:39,418 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778737527]
[2024-12-01 23:19:39,418 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778737527] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:19:39,419 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:19:39,419 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:19:39,419 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295534540]
[2024-12-01 23:19:39,419 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:19:39,420 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:19:39,420 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:19:39,421 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:19:39,421 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:19:39,422 INFO  L87              Difference]: Start difference. First operand 6705 states and 10025 transitions. Second operand  has 6 states, 6 states have (on average 561.1666666666666) internal successors, (3367), 6 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:39,657 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:19:39,658 INFO  L93              Difference]: Finished difference Result 12342 states and 18452 transitions.
[2024-12-01 23:19:39,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:19:39,659 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 561.1666666666666) internal successors, (3367), 6 states have internal predecessors, (3367), 0 states have call successors, (0), 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 3367
[2024-12-01 23:19:39,660 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:19:39,664 INFO  L225             Difference]: With dead ends: 12342
[2024-12-01 23:19:39,664 INFO  L226             Difference]: Without dead ends: 6715
[2024-12-01 23:19:39,667 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:19:39,667 INFO  L435           NwaCegarLoop]: 8728 mSDtfsCounter, 16078 mSDsluCounter, 17449 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16078 SdHoareTripleChecker+Valid, 26177 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:19:39,667 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16078 Valid, 26177 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:19:39,672 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6715 states.
[2024-12-01 23:19:39,705 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6707.
[2024-12-01 23:19:39,709 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6707 states, 6706 states have (on average 1.495228153892037) internal successors, (10027), 6706 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:39,714 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 10027 transitions.
[2024-12-01 23:19:39,714 INFO  L78                 Accepts]: Start accepts. Automaton has 6707 states and 10027 transitions. Word has length 3367
[2024-12-01 23:19:39,715 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:19:39,715 INFO  L471      AbstractCegarLoop]: Abstraction has 6707 states and 10027 transitions.
[2024-12-01 23:19:39,716 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 561.1666666666666) internal successors, (3367), 6 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:39,716 INFO  L276                IsEmpty]: Start isEmpty. Operand 6707 states and 10027 transitions.
[2024-12-01 23:19:39,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3369
[2024-12-01 23:19:39,759 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:19:39,759 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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[2024-12-01 23:19:39,759 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-01 23:19:39,759 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:19:39,760 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:19:39,761 INFO  L85        PathProgramCache]: Analyzing trace with hash -1122072091, now seen corresponding path program 1 times
[2024-12-01 23:19:39,761 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:19:39,761 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470903497]
[2024-12-01 23:19:39,761 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:19:39,761 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:19:42,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:19:48,159 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:19:48,159 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:19:48,159 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470903497]
[2024-12-01 23:19:48,159 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470903497] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:19:48,159 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:19:48,160 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:19:48,160 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228045363]
[2024-12-01 23:19:48,160 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:19:48,162 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:19:48,162 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:19:48,164 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:19:48,164 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:19:48,165 INFO  L87              Difference]: Start difference. First operand 6707 states and 10027 transitions. Second operand  has 4 states, 4 states have (on average 842.0) internal successors, (3368), 4 states have internal predecessors, (3368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:48,397 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:19:48,397 INFO  L93              Difference]: Finished difference Result 12339 states and 18446 transitions.
[2024-12-01 23:19:48,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:19:48,398 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 842.0) internal successors, (3368), 4 states have internal predecessors, (3368), 0 states have call successors, (0), 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 3368
[2024-12-01 23:19:48,399 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:19:48,404 INFO  L225             Difference]: With dead ends: 12339
[2024-12-01 23:19:48,404 INFO  L226             Difference]: Without dead ends: 6710
[2024-12-01 23:19:48,407 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:19:48,408 INFO  L435           NwaCegarLoop]: 8701 mSDtfsCounter, 7301 mSDsluCounter, 8695 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7301 SdHoareTripleChecker+Valid, 17396 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:19:48,408 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7301 Valid, 17396 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:19:48,413 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6710 states.
[2024-12-01 23:19:48,454 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6710 to 6710.
[2024-12-01 23:19:48,459 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6710 states, 6709 states have (on average 1.4951557609181696) internal successors, (10031), 6709 states have internal predecessors, (10031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:48,470 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6710 states to 6710 states and 10031 transitions.
[2024-12-01 23:19:48,470 INFO  L78                 Accepts]: Start accepts. Automaton has 6710 states and 10031 transitions. Word has length 3368
[2024-12-01 23:19:48,471 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:19:48,471 INFO  L471      AbstractCegarLoop]: Abstraction has 6710 states and 10031 transitions.
[2024-12-01 23:19:48,472 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 842.0) internal successors, (3368), 4 states have internal predecessors, (3368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:48,472 INFO  L276                IsEmpty]: Start isEmpty. Operand 6710 states and 10031 transitions.
[2024-12-01 23:19:48,515 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3369
[2024-12-01 23:19:48,515 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:19:48,516 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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[2024-12-01 23:19:48,516 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-12-01 23:19:48,516 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:19:48,517 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:19:48,517 INFO  L85        PathProgramCache]: Analyzing trace with hash 1232920108, now seen corresponding path program 1 times
[2024-12-01 23:19:48,517 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:19:48,517 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107256412]
[2024-12-01 23:19:48,518 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:19:48,518 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:19:50,705 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:19:56,311 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:19:56,311 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:19:56,311 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107256412]
[2024-12-01 23:19:56,311 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107256412] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:19:56,311 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:19:56,311 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:19:56,311 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457474292]
[2024-12-01 23:19:56,311 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:19:56,313 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:19:56,313 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:19:56,314 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:19:56,314 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:19:56,314 INFO  L87              Difference]: Start difference. First operand 6710 states and 10031 transitions. Second operand  has 4 states, 4 states have (on average 842.0) internal successors, (3368), 4 states have internal predecessors, (3368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:56,409 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:19:56,409 INFO  L93              Difference]: Finished difference Result 12335 states and 18436 transitions.
[2024-12-01 23:19:56,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:19:56,411 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 842.0) internal successors, (3368), 4 states have internal predecessors, (3368), 0 states have call successors, (0), 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 3368
[2024-12-01 23:19:56,412 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:19:56,416 INFO  L225             Difference]: With dead ends: 12335
[2024-12-01 23:19:56,416 INFO  L226             Difference]: Without dead ends: 6703
[2024-12-01 23:19:56,419 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:19:56,419 INFO  L435           NwaCegarLoop]: 8761 mSDtfsCounter, 7298 mSDsluCounter, 8760 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7298 SdHoareTripleChecker+Valid, 17521 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:19:56,419 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7298 Valid, 17521 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:19:56,424 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6703 states.
[2024-12-01 23:19:56,459 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6703 to 6703.
[2024-12-01 23:19:56,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6703 states, 6702 states have (on average 1.4947776783049835) internal successors, (10018), 6702 states have internal predecessors, (10018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:56,468 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6703 states to 6703 states and 10018 transitions.
[2024-12-01 23:19:56,469 INFO  L78                 Accepts]: Start accepts. Automaton has 6703 states and 10018 transitions. Word has length 3368
[2024-12-01 23:19:56,469 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:19:56,469 INFO  L471      AbstractCegarLoop]: Abstraction has 6703 states and 10018 transitions.
[2024-12-01 23:19:56,470 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 842.0) internal successors, (3368), 4 states have internal predecessors, (3368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:19:56,470 INFO  L276                IsEmpty]: Start isEmpty. Operand 6703 states and 10018 transitions.
[2024-12-01 23:19:56,512 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3370
[2024-12-01 23:19:56,512 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:19:56,513 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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[2024-12-01 23:19:56,513 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-12-01 23:19:56,513 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:19:56,514 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:19:56,514 INFO  L85        PathProgramCache]: Analyzing trace with hash -1199205405, now seen corresponding path program 1 times
[2024-12-01 23:19:56,514 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:19:56,514 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901566564]
[2024-12-01 23:19:56,515 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:19:56,515 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:19:58,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:20:04,846 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:20:04,846 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:20:04,846 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901566564]
[2024-12-01 23:20:04,846 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901566564] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:20:04,846 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:20:04,846 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:20:04,846 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71465875]
[2024-12-01 23:20:04,846 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:20:04,847 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:20:04,847 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:20:04,849 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:20:04,849 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:20:04,849 INFO  L87              Difference]: Start difference. First operand 6703 states and 10018 transitions. Second operand  has 6 states, 6 states have (on average 561.5) internal successors, (3369), 6 states have internal predecessors, (3369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:05,055 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:20:05,055 INFO  L93              Difference]: Finished difference Result 12329 states and 18424 transitions.
[2024-12-01 23:20:05,055 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-01 23:20:05,056 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 561.5) internal successors, (3369), 6 states have internal predecessors, (3369), 0 states have call successors, (0), 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 3369
[2024-12-01 23:20:05,057 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:20:05,060 INFO  L225             Difference]: With dead ends: 12329
[2024-12-01 23:20:05,060 INFO  L226             Difference]: Without dead ends: 6704
[2024-12-01 23:20:05,063 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-12-01 23:20:05,064 INFO  L435           NwaCegarLoop]: 8752 mSDtfsCounter, 7306 mSDsluCounter, 26246 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7306 SdHoareTripleChecker+Valid, 34998 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:20:05,064 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7306 Valid, 34998 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:20:05,068 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:20:05,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704.
[2024-12-01 23:20:05,106 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6704 states, 6703 states have (on average 1.4947038639415187) internal successors, (10019), 6703 states have internal predecessors, (10019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:05,112 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10019 transitions.
[2024-12-01 23:20:05,112 INFO  L78                 Accepts]: Start accepts. Automaton has 6704 states and 10019 transitions. Word has length 3369
[2024-12-01 23:20:05,112 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:20:05,113 INFO  L471      AbstractCegarLoop]: Abstraction has 6704 states and 10019 transitions.
[2024-12-01 23:20:05,113 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 561.5) internal successors, (3369), 6 states have internal predecessors, (3369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:05,113 INFO  L276                IsEmpty]: Start isEmpty. Operand 6704 states and 10019 transitions.
[2024-12-01 23:20:05,173 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3370
[2024-12-01 23:20:05,174 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:20:05,174 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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[2024-12-01 23:20:05,175 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-12-01 23:20:05,175 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:20:05,175 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:20:05,176 INFO  L85        PathProgramCache]: Analyzing trace with hash 566753315, now seen corresponding path program 1 times
[2024-12-01 23:20:05,176 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:20:05,176 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916475048]
[2024-12-01 23:20:05,176 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:20:05,176 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:20:07,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:20:12,194 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:20:12,194 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:20:12,194 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916475048]
[2024-12-01 23:20:12,195 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916475048] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:20:12,195 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:20:12,195 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:20:12,195 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148982645]
[2024-12-01 23:20:12,195 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:20:12,198 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:20:12,198 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:20:12,200 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:20:12,201 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:20:12,201 INFO  L87              Difference]: Start difference. First operand 6704 states and 10019 transitions. Second operand  has 5 states, 5 states have (on average 673.8) internal successors, (3369), 5 states have internal predecessors, (3369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:12,415 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:20:12,415 INFO  L93              Difference]: Finished difference Result 12330 states and 18424 transitions.
[2024-12-01 23:20:12,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:20:12,416 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 673.8) internal successors, (3369), 5 states have internal predecessors, (3369), 0 states have call successors, (0), 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 3369
[2024-12-01 23:20:12,418 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:20:12,423 INFO  L225             Difference]: With dead ends: 12330
[2024-12-01 23:20:12,423 INFO  L226             Difference]: Without dead ends: 6704
[2024-12-01 23:20:12,427 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:20:12,427 INFO  L435           NwaCegarLoop]: 8737 mSDtfsCounter, 16018 mSDsluCounter, 8734 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16018 SdHoareTripleChecker+Valid, 17471 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:20:12,427 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [16018 Valid, 17471 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:20:12,441 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:20:12,501 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704.
[2024-12-01 23:20:12,506 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6704 states, 6703 states have (on average 1.494554677010294) internal successors, (10018), 6703 states have internal predecessors, (10018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:12,515 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10018 transitions.
[2024-12-01 23:20:12,516 INFO  L78                 Accepts]: Start accepts. Automaton has 6704 states and 10018 transitions. Word has length 3369
[2024-12-01 23:20:12,517 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:20:12,517 INFO  L471      AbstractCegarLoop]: Abstraction has 6704 states and 10018 transitions.
[2024-12-01 23:20:12,517 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 673.8) internal successors, (3369), 5 states have internal predecessors, (3369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:12,518 INFO  L276                IsEmpty]: Start isEmpty. Operand 6704 states and 10018 transitions.
[2024-12-01 23:20:12,693 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3371
[2024-12-01 23:20:12,693 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:20:12,694 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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[2024-12-01 23:20:12,694 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-12-01 23:20:12,694 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:20:12,695 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:20:12,696 INFO  L85        PathProgramCache]: Analyzing trace with hash -1645887904, now seen corresponding path program 1 times
[2024-12-01 23:20:12,696 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:20:12,696 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361129820]
[2024-12-01 23:20:12,697 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:20:12,697 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:20:15,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:20:20,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:20:20,210 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:20:20,210 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361129820]
[2024-12-01 23:20:20,210 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361129820] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:20:20,211 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:20:20,211 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:20:20,211 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820204709]
[2024-12-01 23:20:20,211 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:20:20,213 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:20:20,213 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:20:20,215 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:20:20,215 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:20:20,216 INFO  L87              Difference]: Start difference. First operand 6704 states and 10018 transitions. Second operand  has 4 states, 4 states have (on average 842.5) internal successors, (3370), 4 states have internal predecessors, (3370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:20,417 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:20:20,418 INFO  L93              Difference]: Finished difference Result 12330 states and 18422 transitions.
[2024-12-01 23:20:20,418 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:20:20,419 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 842.5) internal successors, (3370), 4 states have internal predecessors, (3370), 0 states have call successors, (0), 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 3370
[2024-12-01 23:20:20,419 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:20:20,424 INFO  L225             Difference]: With dead ends: 12330
[2024-12-01 23:20:20,424 INFO  L226             Difference]: Without dead ends: 6704
[2024-12-01 23:20:20,427 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:20:20,428 INFO  L435           NwaCegarLoop]: 8695 mSDtfsCounter, 7288 mSDsluCounter, 8689 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7288 SdHoareTripleChecker+Valid, 17384 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:20:20,428 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7288 Valid, 17384 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:20:20,432 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:20:20,471 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704.
[2024-12-01 23:20:20,476 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6704 states, 6703 states have (on average 1.4942563031478442) internal successors, (10016), 6703 states have internal predecessors, (10016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:20,482 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10016 transitions.
[2024-12-01 23:20:20,482 INFO  L78                 Accepts]: Start accepts. Automaton has 6704 states and 10016 transitions. Word has length 3370
[2024-12-01 23:20:20,483 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:20:20,483 INFO  L471      AbstractCegarLoop]: Abstraction has 6704 states and 10016 transitions.
[2024-12-01 23:20:20,484 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 842.5) internal successors, (3370), 4 states have internal predecessors, (3370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:20,484 INFO  L276                IsEmpty]: Start isEmpty. Operand 6704 states and 10016 transitions.
[2024-12-01 23:20:20,609 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3372
[2024-12-01 23:20:20,609 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:20:20,610 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:20:20,610 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-12-01 23:20:20,610 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:20:20,611 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:20:20,611 INFO  L85        PathProgramCache]: Analyzing trace with hash -1071663045, now seen corresponding path program 1 times
[2024-12-01 23:20:20,611 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:20:20,611 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012397639]
[2024-12-01 23:20:20,612 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:20:20,612 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:20:23,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:20:27,143 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:20:27,143 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:20:27,143 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012397639]
[2024-12-01 23:20:27,143 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012397639] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:20:27,143 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:20:27,144 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:20:27,144 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517710463]
[2024-12-01 23:20:27,144 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:20:27,145 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:20:27,145 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:20:27,147 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:20:27,147 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:20:27,147 INFO  L87              Difference]: Start difference. First operand 6704 states and 10016 transitions. Second operand  has 5 states, 5 states have (on average 674.2) internal successors, (3371), 5 states have internal predecessors, (3371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:27,438 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:20:27,438 INFO  L93              Difference]: Finished difference Result 12331 states and 18420 transitions.
[2024-12-01 23:20:27,439 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:20:27,439 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 674.2) internal successors, (3371), 5 states have internal predecessors, (3371), 0 states have call successors, (0), 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 3371
[2024-12-01 23:20:27,440 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:20:27,443 INFO  L225             Difference]: With dead ends: 12331
[2024-12-01 23:20:27,443 INFO  L226             Difference]: Without dead ends: 6705
[2024-12-01 23:20:27,446 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
[2024-12-01 23:20:27,446 INFO  L435           NwaCegarLoop]: 8764 mSDtfsCounter, 7296 mSDsluCounter, 17523 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7296 SdHoareTripleChecker+Valid, 26287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:20:27,446 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7296 Valid, 26287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:20:27,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6705 states.
[2024-12-01 23:20:27,493 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6705.
[2024-12-01 23:20:27,498 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6705 states, 6704 states have (on average 1.4941825775656326) internal successors, (10017), 6704 states have internal predecessors, (10017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:27,505 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 10017 transitions.
[2024-12-01 23:20:27,505 INFO  L78                 Accepts]: Start accepts. Automaton has 6705 states and 10017 transitions. Word has length 3371
[2024-12-01 23:20:27,506 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:20:27,506 INFO  L471      AbstractCegarLoop]: Abstraction has 6705 states and 10017 transitions.
[2024-12-01 23:20:27,506 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 674.2) internal successors, (3371), 5 states have internal predecessors, (3371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:27,506 INFO  L276                IsEmpty]: Start isEmpty. Operand 6705 states and 10017 transitions.
[2024-12-01 23:20:27,558 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3372
[2024-12-01 23:20:27,558 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:20:27,558 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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[2024-12-01 23:20:27,558 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-12-01 23:20:27,559 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:20:27,559 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:20:27,560 INFO  L85        PathProgramCache]: Analyzing trace with hash -1954567173, now seen corresponding path program 1 times
[2024-12-01 23:20:27,560 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:20:27,560 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383380009]
[2024-12-01 23:20:27,560 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:20:27,560 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:20:30,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:20:35,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked.
[2024-12-01 23:20:35,875 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:20:35,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383380009]
[2024-12-01 23:20:35,875 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383380009] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:20:35,876 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:20:35,876 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:20:35,876 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235407022]
[2024-12-01 23:20:35,877 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:20:35,878 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:20:35,878 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:20:35,880 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:20:35,880 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:20:35,880 INFO  L87              Difference]: Start difference. First operand 6705 states and 10017 transitions. Second operand  has 5 states, 5 states have (on average 593.4) internal successors, (2967), 5 states have internal predecessors, (2967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:36,015 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:20:36,015 INFO  L93              Difference]: Finished difference Result 12338 states and 18429 transitions.
[2024-12-01 23:20:36,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:20:36,016 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 593.4) internal successors, (2967), 5 states have internal predecessors, (2967), 0 states have call successors, (0), 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 3371
[2024-12-01 23:20:36,019 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:20:36,023 INFO  L225             Difference]: With dead ends: 12338
[2024-12-01 23:20:36,024 INFO  L226             Difference]: Without dead ends: 6709
[2024-12-01 23:20:36,027 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
[2024-12-01 23:20:36,027 INFO  L435           NwaCegarLoop]: 8779 mSDtfsCounter, 0 mSDsluCounter, 26321 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35100 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:20:36,027 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35100 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:20:36,034 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6709 states.
[2024-12-01 23:20:36,092 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6709 to 6707.
[2024-12-01 23:20:36,097 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6707 states, 6706 states have (on average 1.4940351923650461) internal successors, (10019), 6706 states have internal predecessors, (10019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:36,106 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 10019 transitions.
[2024-12-01 23:20:36,106 INFO  L78                 Accepts]: Start accepts. Automaton has 6707 states and 10019 transitions. Word has length 3371
[2024-12-01 23:20:36,108 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:20:36,109 INFO  L471      AbstractCegarLoop]: Abstraction has 6707 states and 10019 transitions.
[2024-12-01 23:20:36,109 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 593.4) internal successors, (2967), 5 states have internal predecessors, (2967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:36,109 INFO  L276                IsEmpty]: Start isEmpty. Operand 6707 states and 10019 transitions.
[2024-12-01 23:20:36,200 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3373
[2024-12-01 23:20:36,200 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:20:36,201 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:20:36,202 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-12-01 23:20:36,202 INFO  L396      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:20:36,203 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:20:36,204 INFO  L85        PathProgramCache]: Analyzing trace with hash 652156498, now seen corresponding path program 1 times
[2024-12-01 23:20:36,204 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:20:36,204 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021892932]
[2024-12-01 23:20:36,204 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:20:36,204 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:20:39,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:20:44,399 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked.
[2024-12-01 23:20:44,399 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:20:44,399 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021892932]
[2024-12-01 23:20:44,399 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021892932] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:20:44,399 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:20:44,399 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:20:44,399 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122859336]
[2024-12-01 23:20:44,399 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:20:44,401 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:20:44,401 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:20:44,402 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:20:44,402 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:20:44,402 INFO  L87              Difference]: Start difference. First operand 6707 states and 10019 transitions. Second operand  has 4 states, 4 states have (on average 742.5) internal successors, (2970), 4 states have internal predecessors, (2970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:44,483 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:20:44,483 INFO  L93              Difference]: Finished difference Result 12346 states and 18439 transitions.
[2024-12-01 23:20:44,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:20:44,484 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 742.5) internal successors, (2970), 4 states have internal predecessors, (2970), 0 states have call successors, (0), 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 3372
[2024-12-01 23:20:44,486 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:20:44,490 INFO  L225             Difference]: With dead ends: 12346
[2024-12-01 23:20:44,490 INFO  L226             Difference]: Without dead ends: 6711
[2024-12-01 23:20:44,493 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
[2024-12-01 23:20:44,493 INFO  L435           NwaCegarLoop]: 8779 mSDtfsCounter, 0 mSDsluCounter, 17548 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26327 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
[2024-12-01 23:20:44,493 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26327 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:20:44,499 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6711 states.
[2024-12-01 23:20:44,537 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6709.
[2024-12-01 23:20:44,542 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6709 states, 6708 states have (on average 1.4938878950506858) internal successors, (10021), 6708 states have internal predecessors, (10021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:44,548 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6709 states to 6709 states and 10021 transitions.
[2024-12-01 23:20:44,548 INFO  L78                 Accepts]: Start accepts. Automaton has 6709 states and 10021 transitions. Word has length 3372
[2024-12-01 23:20:44,549 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:20:44,550 INFO  L471      AbstractCegarLoop]: Abstraction has 6709 states and 10021 transitions.
[2024-12-01 23:20:44,550 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 742.5) internal successors, (2970), 4 states have internal predecessors, (2970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:44,550 INFO  L276                IsEmpty]: Start isEmpty. Operand 6709 states and 10021 transitions.
[2024-12-01 23:20:44,594 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3374
[2024-12-01 23:20:44,594 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:20:44,594 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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[2024-12-01 23:20:44,594 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-12-01 23:20:44,594 INFO  L396      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:20:44,595 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:20:44,595 INFO  L85        PathProgramCache]: Analyzing trace with hash 105536034, now seen corresponding path program 1 times
[2024-12-01 23:20:44,596 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:20:44,596 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570394203]
[2024-12-01 23:20:44,596 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:20:44,596 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:20:47,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:20:52,566 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked.
[2024-12-01 23:20:52,566 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:20:52,566 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570394203]
[2024-12-01 23:20:52,566 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570394203] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:20:52,566 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:20:52,567 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:20:52,567 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145644414]
[2024-12-01 23:20:52,567 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:20:52,568 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:20:52,568 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:20:52,569 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:20:52,569 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:20:52,570 INFO  L87              Difference]: Start difference. First operand 6709 states and 10021 transitions. Second operand  has 5 states, 5 states have (on average 594.6) internal successors, (2973), 5 states have internal predecessors, (2973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:52,669 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:20:52,669 INFO  L93              Difference]: Finished difference Result 12354 states and 18449 transitions.
[2024-12-01 23:20:52,669 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:20:52,670 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 594.6) internal successors, (2973), 5 states have internal predecessors, (2973), 0 states have call successors, (0), 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 3373
[2024-12-01 23:20:52,672 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:20:52,676 INFO  L225             Difference]: With dead ends: 12354
[2024-12-01 23:20:52,676 INFO  L226             Difference]: Without dead ends: 6713
[2024-12-01 23:20:52,678 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
[2024-12-01 23:20:52,679 INFO  L435           NwaCegarLoop]: 8779 mSDtfsCounter, 0 mSDsluCounter, 26321 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35100 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:20:52,679 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35100 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:20:52,683 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6713 states.
[2024-12-01 23:20:52,719 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6713 to 6711.
[2024-12-01 23:20:52,724 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6711 states, 6710 states have (on average 1.4937406855439643) internal successors, (10023), 6710 states have internal predecessors, (10023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:52,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6711 states to 6711 states and 10023 transitions.
[2024-12-01 23:20:52,730 INFO  L78                 Accepts]: Start accepts. Automaton has 6711 states and 10023 transitions. Word has length 3373
[2024-12-01 23:20:52,731 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:20:52,731 INFO  L471      AbstractCegarLoop]: Abstraction has 6711 states and 10023 transitions.
[2024-12-01 23:20:52,731 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 594.6) internal successors, (2973), 5 states have internal predecessors, (2973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:20:52,731 INFO  L276                IsEmpty]: Start isEmpty. Operand 6711 states and 10023 transitions.
[2024-12-01 23:20:52,775 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3375
[2024-12-01 23:20:52,775 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:20:52,775 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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[2024-12-01 23:20:52,775 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-12-01 23:20:52,775 INFO  L396      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:20:52,776 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:20:52,776 INFO  L85        PathProgramCache]: Analyzing trace with hash 1963695019, now seen corresponding path program 1 times
[2024-12-01 23:20:52,776 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:20:52,776 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162532449]
[2024-12-01 23:20:52,777 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:20:52,777 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:20:55,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:21:00,895 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked.
[2024-12-01 23:21:00,895 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:21:00,895 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162532449]
[2024-12-01 23:21:00,895 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162532449] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:21:00,895 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:21:00,896 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:21:00,896 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074603886]
[2024-12-01 23:21:00,896 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:21:00,897 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:21:00,897 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:21:00,898 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:21:00,898 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:21:00,899 INFO  L87              Difference]: Start difference. First operand 6711 states and 10023 transitions. Second operand  has 5 states, 5 states have (on average 595.2) internal successors, (2976), 5 states have internal predecessors, (2976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:00,984 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:21:00,984 INFO  L93              Difference]: Finished difference Result 12362 states and 18459 transitions.
[2024-12-01 23:21:00,985 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:21:00,985 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 595.2) internal successors, (2976), 5 states have internal predecessors, (2976), 0 states have call successors, (0), 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 3374
[2024-12-01 23:21:00,987 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:21:00,991 INFO  L225             Difference]: With dead ends: 12362
[2024-12-01 23:21:00,991 INFO  L226             Difference]: Without dead ends: 6715
[2024-12-01 23:21:00,994 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
[2024-12-01 23:21:00,995 INFO  L435           NwaCegarLoop]: 8779 mSDtfsCounter, 0 mSDsluCounter, 17548 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26327 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:21:00,995 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26327 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:21:00,999 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6715 states.
[2024-12-01 23:21:01,035 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6713.
[2024-12-01 23:21:01,040 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6713 states, 6712 states have (on average 1.4935935637663886) internal successors, (10025), 6712 states have internal predecessors, (10025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:01,046 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6713 states to 6713 states and 10025 transitions.
[2024-12-01 23:21:01,046 INFO  L78                 Accepts]: Start accepts. Automaton has 6713 states and 10025 transitions. Word has length 3374
[2024-12-01 23:21:01,048 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:21:01,048 INFO  L471      AbstractCegarLoop]: Abstraction has 6713 states and 10025 transitions.
[2024-12-01 23:21:01,048 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 595.2) internal successors, (2976), 5 states have internal predecessors, (2976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:01,048 INFO  L276                IsEmpty]: Start isEmpty. Operand 6713 states and 10025 transitions.
[2024-12-01 23:21:01,093 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3376
[2024-12-01 23:21:01,093 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:21:01,094 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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[2024-12-01 23:21:01,094 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-12-01 23:21:01,094 INFO  L396      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:21:01,094 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:21:01,095 INFO  L85        PathProgramCache]: Analyzing trace with hash 219356489, now seen corresponding path program 1 times
[2024-12-01 23:21:01,095 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:21:01,095 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090476054]
[2024-12-01 23:21:01,095 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:21:01,095 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:21:04,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:21:09,818 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked.
[2024-12-01 23:21:09,819 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:21:09,819 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090476054]
[2024-12-01 23:21:09,819 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090476054] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:21:09,819 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:21:09,820 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:21:09,820 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081580068]
[2024-12-01 23:21:09,820 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:21:09,822 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:21:09,822 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:21:09,823 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:21:09,823 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:21:09,824 INFO  L87              Difference]: Start difference. First operand 6713 states and 10025 transitions. Second operand  has 5 states, 5 states have (on average 595.8) internal successors, (2979), 5 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:09,909 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:21:09,910 INFO  L93              Difference]: Finished difference Result 12370 states and 18469 transitions.
[2024-12-01 23:21:10,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:21:10,109 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 595.8) internal successors, (2979), 5 states have internal predecessors, (2979), 0 states have call successors, (0), 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 3375
[2024-12-01 23:21:10,111 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:21:10,116 INFO  L225             Difference]: With dead ends: 12370
[2024-12-01 23:21:10,116 INFO  L226             Difference]: Without dead ends: 6717
[2024-12-01 23:21:10,117 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
[2024-12-01 23:21:10,117 INFO  L435           NwaCegarLoop]: 8779 mSDtfsCounter, 0 mSDsluCounter, 17548 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26327 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:21:10,117 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26327 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:21:10,122 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6717 states.
[2024-12-01 23:21:10,159 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6717 to 6715.
[2024-12-01 23:21:10,165 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6715 states, 6714 states have (on average 1.4934465296395592) internal successors, (10027), 6714 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:10,172 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 10027 transitions.
[2024-12-01 23:21:10,172 INFO  L78                 Accepts]: Start accepts. Automaton has 6715 states and 10027 transitions. Word has length 3375
[2024-12-01 23:21:10,173 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:21:10,174 INFO  L471      AbstractCegarLoop]: Abstraction has 6715 states and 10027 transitions.
[2024-12-01 23:21:10,174 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 595.8) internal successors, (2979), 5 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:10,174 INFO  L276                IsEmpty]: Start isEmpty. Operand 6715 states and 10027 transitions.
[2024-12-01 23:21:10,287 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3377
[2024-12-01 23:21:10,287 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:21:10,288 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]
[2024-12-01 23:21:10,288 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-12-01 23:21:10,288 INFO  L396      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:21:10,289 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:21:10,289 INFO  L85        PathProgramCache]: Analyzing trace with hash -2051199996, now seen corresponding path program 1 times
[2024-12-01 23:21:10,289 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:21:10,289 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404902727]
[2024-12-01 23:21:10,290 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:21:10,290 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:21:19,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:21:24,760 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:21:24,760 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:21:24,760 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404902727]
[2024-12-01 23:21:24,761 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404902727] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:21:24,761 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:21:24,761 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:21:24,761 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327348025]
[2024-12-01 23:21:24,761 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:21:24,762 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:21:24,762 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:21:24,763 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:21:24,763 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:21:24,764 INFO  L87              Difference]: Start difference. First operand 6715 states and 10027 transitions. Second operand  has 4 states, 4 states have (on average 844.0) internal successors, (3376), 4 states have internal predecessors, (3376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:27,484 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:21:27,484 INFO  L93              Difference]: Finished difference Result 12352 states and 18440 transitions.
[2024-12-01 23:21:27,484 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:21:27,485 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 844.0) internal successors, (3376), 4 states have internal predecessors, (3376), 0 states have call successors, (0), 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 3376
[2024-12-01 23:21:27,486 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:21:27,490 INFO  L225             Difference]: With dead ends: 12352
[2024-12-01 23:21:27,491 INFO  L226             Difference]: Without dead ends: 6715
[2024-12-01 23:21:27,494 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:21:27,495 INFO  L435           NwaCegarLoop]: 6581 mSDtfsCounter, 8108 mSDsluCounter, 6572 mSDsCounter, 0 mSdLazyCounter, 4404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8108 SdHoareTripleChecker+Valid, 13153 SdHoareTripleChecker+Invalid, 4405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-12-01 23:21:27,495 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8108 Valid, 13153 Invalid, 4405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4404 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-12-01 23:21:27,501 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6715 states.
[2024-12-01 23:21:27,562 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6715.
[2024-12-01 23:21:27,568 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6715 states, 6714 states have (on average 1.4932975871313674) internal successors, (10026), 6714 states have internal predecessors, (10026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:27,579 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 10026 transitions.
[2024-12-01 23:21:27,579 INFO  L78                 Accepts]: Start accepts. Automaton has 6715 states and 10026 transitions. Word has length 3376
[2024-12-01 23:21:27,580 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:21:27,580 INFO  L471      AbstractCegarLoop]: Abstraction has 6715 states and 10026 transitions.
[2024-12-01 23:21:27,580 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 844.0) internal successors, (3376), 4 states have internal predecessors, (3376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:27,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 6715 states and 10026 transitions.
[2024-12-01 23:21:27,694 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3378
[2024-12-01 23:21:27,694 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:21:27,695 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-01 23:21:27,695 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-12-01 23:21:27,695 INFO  L396      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:21:27,695 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:21:27,696 INFO  L85        PathProgramCache]: Analyzing trace with hash -1413668099, now seen corresponding path program 1 times
[2024-12-01 23:21:27,696 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:21:27,696 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377345970]
[2024-12-01 23:21:27,696 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:21:27,696 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:21:36,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:21:41,554 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:21:41,554 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:21:41,555 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377345970]
[2024-12-01 23:21:41,555 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377345970] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:21:41,555 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:21:41,555 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:21:41,555 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636612890]
[2024-12-01 23:21:41,555 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:21:41,556 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:21:41,556 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:21:41,557 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:21:41,557 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:21:41,558 INFO  L87              Difference]: Start difference. First operand 6715 states and 10026 transitions. Second operand  has 4 states, 4 states have (on average 844.25) internal successors, (3377), 4 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:44,198 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:21:44,198 INFO  L93              Difference]: Finished difference Result 12352 states and 18438 transitions.
[2024-12-01 23:21:44,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:21:44,199 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 844.25) internal successors, (3377), 4 states have internal predecessors, (3377), 0 states have call successors, (0), 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 3377
[2024-12-01 23:21:44,200 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:21:44,204 INFO  L225             Difference]: With dead ends: 12352
[2024-12-01 23:21:44,204 INFO  L226             Difference]: Without dead ends: 6715
[2024-12-01 23:21:44,207 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:21:44,208 INFO  L435           NwaCegarLoop]: 6581 mSDtfsCounter, 8129 mSDsluCounter, 6573 mSDsCounter, 0 mSdLazyCounter, 4402 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8129 SdHoareTripleChecker+Valid, 13154 SdHoareTripleChecker+Invalid, 4403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-01 23:21:44,208 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8129 Valid, 13154 Invalid, 4403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4402 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-01 23:21:44,214 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6715 states.
[2024-12-01 23:21:44,251 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6715.
[2024-12-01 23:21:44,256 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6715 states, 6714 states have (on average 1.4931486446231754) internal successors, (10025), 6714 states have internal predecessors, (10025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:44,263 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 10025 transitions.
[2024-12-01 23:21:44,263 INFO  L78                 Accepts]: Start accepts. Automaton has 6715 states and 10025 transitions. Word has length 3377
[2024-12-01 23:21:44,264 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:21:44,264 INFO  L471      AbstractCegarLoop]: Abstraction has 6715 states and 10025 transitions.
[2024-12-01 23:21:44,264 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 844.25) internal successors, (3377), 4 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:21:44,264 INFO  L276                IsEmpty]: Start isEmpty. Operand 6715 states and 10025 transitions.
[2024-12-01 23:21:44,312 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3379
[2024-12-01 23:21:44,312 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:21:44,313 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]
[2024-12-01 23:21:44,313 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-12-01 23:21:44,313 INFO  L396      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:21:44,313 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:21:44,314 INFO  L85        PathProgramCache]: Analyzing trace with hash 1037400568, now seen corresponding path program 1 times
[2024-12-01 23:21:44,314 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:21:44,314 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826648074]
[2024-12-01 23:21:44,314 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:21:44,314 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:22:09,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:22:17,619 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:22:17,619 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:22:17,619 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826648074]
[2024-12-01 23:22:17,619 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826648074] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:22:17,619 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:22:17,620 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:22:17,620 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569360896]
[2024-12-01 23:22:17,620 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:22:17,622 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:22:17,622 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:22:17,624 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:22:17,624 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:22:17,624 INFO  L87              Difference]: Start difference. First operand 6715 states and 10025 transitions. Second operand  has 6 states, 6 states have (on average 563.0) internal successors, (3378), 6 states have internal predecessors, (3378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:22:17,937 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:22:17,938 INFO  L93              Difference]: Finished difference Result 12351 states and 18435 transitions.
[2024-12-01 23:22:17,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:22:17,939 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 563.0) internal successors, (3378), 6 states have internal predecessors, (3378), 0 states have call successors, (0), 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 3378
[2024-12-01 23:22:17,940 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:22:17,944 INFO  L225             Difference]: With dead ends: 12351
[2024-12-01 23:22:17,944 INFO  L226             Difference]: Without dead ends: 6714
[2024-12-01 23:22:17,947 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-12-01 23:22:17,948 INFO  L435           NwaCegarLoop]: 8720 mSDtfsCounter, 7351 mSDsluCounter, 26147 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7351 SdHoareTripleChecker+Valid, 34867 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:22:17,948 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7351 Valid, 34867 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:22:17,954 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6714 states.
[2024-12-01 23:22:17,995 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6714 to 6714.
[2024-12-01 23:22:18,000 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6714 states, 6713 states have (on average 1.4930731416654253) internal successors, (10023), 6713 states have internal predecessors, (10023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:22:18,006 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6714 states to 6714 states and 10023 transitions.
[2024-12-01 23:22:18,006 INFO  L78                 Accepts]: Start accepts. Automaton has 6714 states and 10023 transitions. Word has length 3378
[2024-12-01 23:22:18,007 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:22:18,007 INFO  L471      AbstractCegarLoop]: Abstraction has 6714 states and 10023 transitions.
[2024-12-01 23:22:18,008 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 563.0) internal successors, (3378), 6 states have internal predecessors, (3378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:22:18,008 INFO  L276                IsEmpty]: Start isEmpty. Operand 6714 states and 10023 transitions.
[2024-12-01 23:22:18,056 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3380
[2024-12-01 23:22:18,056 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:22:18,057 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]
[2024-12-01 23:22:18,057 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-12-01 23:22:18,057 INFO  L396      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:22:18,058 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:22:18,058 INFO  L85        PathProgramCache]: Analyzing trace with hash -973829927, now seen corresponding path program 1 times
[2024-12-01 23:22:18,058 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:22:18,058 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584018360]
[2024-12-01 23:22:18,058 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:22:18,058 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:22:36,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:22:41,120 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:22:41,121 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:22:41,121 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584018360]
[2024-12-01 23:22:41,121 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584018360] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:22:41,121 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:22:41,121 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:22:41,121 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867747377]
[2024-12-01 23:22:41,121 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:22:41,123 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:22:41,123 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:22:41,124 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:22:41,124 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:22:41,124 INFO  L87              Difference]: Start difference. First operand 6714 states and 10023 transitions. Second operand  has 5 states, 5 states have (on average 675.8) internal successors, (3379), 5 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:22:41,284 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:22:41,284 INFO  L93              Difference]: Finished difference Result 12349 states and 18431 transitions.
[2024-12-01 23:22:41,285 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:22:41,285 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 675.8) internal successors, (3379), 5 states have internal predecessors, (3379), 0 states have call successors, (0), 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 3379
[2024-12-01 23:22:41,286 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:22:41,290 INFO  L225             Difference]: With dead ends: 12349
[2024-12-01 23:22:41,290 INFO  L226             Difference]: Without dead ends: 6713
[2024-12-01 23:22:41,293 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:22:41,293 INFO  L435           NwaCegarLoop]: 8735 mSDtfsCounter, 14680 mSDsluCounter, 8732 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14680 SdHoareTripleChecker+Valid, 17467 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:22:41,293 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14680 Valid, 17467 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:22:41,298 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6713 states.
[2024-12-01 23:22:41,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6713 to 6713.
[2024-12-01 23:22:41,339 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6713 states, 6712 states have (on average 1.4929976162097736) internal successors, (10021), 6712 states have internal predecessors, (10021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:22:41,344 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6713 states to 6713 states and 10021 transitions.
[2024-12-01 23:22:41,344 INFO  L78                 Accepts]: Start accepts. Automaton has 6713 states and 10021 transitions. Word has length 3379
[2024-12-01 23:22:41,345 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:22:41,345 INFO  L471      AbstractCegarLoop]: Abstraction has 6713 states and 10021 transitions.
[2024-12-01 23:22:41,346 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 675.8) internal successors, (3379), 5 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:22:41,346 INFO  L276                IsEmpty]: Start isEmpty. Operand 6713 states and 10021 transitions.
[2024-12-01 23:22:41,389 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3381
[2024-12-01 23:22:41,389 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:22:41,389 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:22:41,389 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-12-01 23:22:41,390 INFO  L396      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:22:41,390 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:22:41,390 INFO  L85        PathProgramCache]: Analyzing trace with hash -1186792469, now seen corresponding path program 1 times
[2024-12-01 23:22:41,390 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:22:41,391 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151976564]
[2024-12-01 23:22:41,391 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:22:41,391 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:22:47,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:22:52,651 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:22:52,651 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:22:52,651 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151976564]
[2024-12-01 23:22:52,651 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151976564] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:22:52,651 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:22:52,651 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:22:52,651 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448617413]
[2024-12-01 23:22:52,651 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:22:52,653 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:22:52,653 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:22:52,654 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:22:52,654 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:22:52,654 INFO  L87              Difference]: Start difference. First operand 6713 states and 10021 transitions. Second operand  has 4 states, 4 states have (on average 845.0) internal successors, (3380), 4 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:22:52,907 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:22:52,907 INFO  L93              Difference]: Finished difference Result 12348 states and 18428 transitions.
[2024-12-01 23:22:52,908 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:22:52,909 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 845.0) internal successors, (3380), 4 states have internal predecessors, (3380), 0 states have call successors, (0), 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 3380
[2024-12-01 23:22:52,910 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:22:52,916 INFO  L225             Difference]: With dead ends: 12348
[2024-12-01 23:22:52,916 INFO  L226             Difference]: Without dead ends: 6713
[2024-12-01 23:22:52,921 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:22:52,921 INFO  L435           NwaCegarLoop]: 8685 mSDtfsCounter, 7335 mSDsluCounter, 8682 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7335 SdHoareTripleChecker+Valid, 17367 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:22:52,921 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7335 Valid, 17367 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:22:52,928 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6713 states.
[2024-12-01 23:22:52,977 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6713 to 6713.
[2024-12-01 23:22:52,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6713 states, 6712 states have (on average 1.4928486293206198) internal successors, (10020), 6712 states have internal predecessors, (10020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:22:52,988 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6713 states to 6713 states and 10020 transitions.
[2024-12-01 23:22:52,988 INFO  L78                 Accepts]: Start accepts. Automaton has 6713 states and 10020 transitions. Word has length 3380
[2024-12-01 23:22:52,988 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:22:52,988 INFO  L471      AbstractCegarLoop]: Abstraction has 6713 states and 10020 transitions.
[2024-12-01 23:22:52,989 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 845.0) internal successors, (3380), 4 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:22:52,989 INFO  L276                IsEmpty]: Start isEmpty. Operand 6713 states and 10020 transitions.
[2024-12-01 23:22:53,036 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3381
[2024-12-01 23:22:53,036 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:22:53,037 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:22:53,037 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-12-01 23:22:53,037 INFO  L396      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:22:53,037 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:22:53,038 INFO  L85        PathProgramCache]: Analyzing trace with hash -1553485781, now seen corresponding path program 1 times
[2024-12-01 23:22:53,038 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:22:53,038 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825282547]
[2024-12-01 23:22:53,038 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:22:53,038 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:22:55,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:23:02,109 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked.
[2024-12-01 23:23:02,109 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:23:02,110 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825282547]
[2024-12-01 23:23:02,110 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825282547] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:23:02,110 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:23:02,110 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:23:02,110 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221059012]
[2024-12-01 23:23:02,110 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:23:02,112 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:23:02,112 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:23:02,113 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:23:02,113 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:23:02,113 INFO  L87              Difference]: Start difference. First operand 6713 states and 10020 transitions. Second operand  has 4 states, 4 states have (on average 746.5) internal successors, (2986), 4 states have internal predecessors, (2986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:02,769 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:23:02,770 INFO  L93              Difference]: Finished difference Result 12374 states and 18465 transitions.
[2024-12-01 23:23:02,770 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:23:02,770 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 746.5) internal successors, (2986), 4 states have internal predecessors, (2986), 0 states have call successors, (0), 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 3380
[2024-12-01 23:23:02,772 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:23:02,776 INFO  L225             Difference]: With dead ends: 12374
[2024-12-01 23:23:02,776 INFO  L226             Difference]: Without dead ends: 6717
[2024-12-01 23:23:02,779 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
[2024-12-01 23:23:02,780 INFO  L435           NwaCegarLoop]: 8774 mSDtfsCounter, 0 mSDsluCounter, 17538 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26312 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:23:02,780 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26312 Invalid, 15 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:23:02,785 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6717 states.
[2024-12-01 23:23:02,825 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6717 to 6715.
[2024-12-01 23:23:02,830 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6715 states, 6714 states have (on average 1.4927018170986) internal successors, (10022), 6714 states have internal predecessors, (10022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:02,837 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 10022 transitions.
[2024-12-01 23:23:02,837 INFO  L78                 Accepts]: Start accepts. Automaton has 6715 states and 10022 transitions. Word has length 3380
[2024-12-01 23:23:02,839 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:23:02,839 INFO  L471      AbstractCegarLoop]: Abstraction has 6715 states and 10022 transitions.
[2024-12-01 23:23:02,839 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 746.5) internal successors, (2986), 4 states have internal predecessors, (2986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:02,840 INFO  L276                IsEmpty]: Start isEmpty. Operand 6715 states and 10022 transitions.
[2024-12-01 23:23:02,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3382
[2024-12-01 23:23:02,920 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:23:02,921 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:23:02,922 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-12-01 23:23:02,922 INFO  L396      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:23:02,922 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:23:02,923 INFO  L85        PathProgramCache]: Analyzing trace with hash 816948777, now seen corresponding path program 1 times
[2024-12-01 23:23:02,923 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:23:02,923 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379794742]
[2024-12-01 23:23:02,924 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:23:02,924 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:23:06,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:23:11,709 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked.
[2024-12-01 23:23:11,710 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:23:11,710 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379794742]
[2024-12-01 23:23:11,710 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379794742] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:23:11,710 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:23:11,711 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:23:11,711 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926713149]
[2024-12-01 23:23:11,711 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:23:11,712 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:23:11,713 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:23:11,714 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:23:11,714 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:23:11,714 INFO  L87              Difference]: Start difference. First operand 6715 states and 10022 transitions. Second operand  has 5 states, 5 states have (on average 597.8) internal successors, (2989), 5 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:11,818 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:23:11,818 INFO  L93              Difference]: Finished difference Result 12382 states and 18475 transitions.
[2024-12-01 23:23:11,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:23:11,819 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 597.8) internal successors, (2989), 5 states have internal predecessors, (2989), 0 states have call successors, (0), 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 3381
[2024-12-01 23:23:11,821 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:23:11,825 INFO  L225             Difference]: With dead ends: 12382
[2024-12-01 23:23:11,826 INFO  L226             Difference]: Without dead ends: 6719
[2024-12-01 23:23:11,829 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
[2024-12-01 23:23:11,829 INFO  L435           NwaCegarLoop]: 8774 mSDtfsCounter, 0 mSDsluCounter, 26306 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35080 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:23:11,829 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35080 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:23:11,834 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6719 states.
[2024-12-01 23:23:11,871 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6719 to 6717.
[2024-12-01 23:23:11,876 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6717 states, 6716 states have (on average 1.4925550923168553) internal successors, (10024), 6716 states have internal predecessors, (10024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:11,881 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6717 states to 6717 states and 10024 transitions.
[2024-12-01 23:23:11,882 INFO  L78                 Accepts]: Start accepts. Automaton has 6717 states and 10024 transitions. Word has length 3381
[2024-12-01 23:23:11,883 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:23:11,883 INFO  L471      AbstractCegarLoop]: Abstraction has 6717 states and 10024 transitions.
[2024-12-01 23:23:11,883 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 597.8) internal successors, (2989), 5 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:11,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 6717 states and 10024 transitions.
[2024-12-01 23:23:12,051 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3383
[2024-12-01 23:23:12,051 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:23:12,053 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]
[2024-12-01 23:23:12,053 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-12-01 23:23:12,053 INFO  L396      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:23:12,054 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:23:12,054 INFO  L85        PathProgramCache]: Analyzing trace with hash 579614148, now seen corresponding path program 1 times
[2024-12-01 23:23:12,054 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:23:12,055 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182299437]
[2024-12-01 23:23:12,055 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:23:12,055 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:23:15,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:23:20,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked.
[2024-12-01 23:23:20,304 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:23:20,304 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182299437]
[2024-12-01 23:23:20,304 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182299437] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:23:20,304 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:23:20,304 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:23:20,304 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881244850]
[2024-12-01 23:23:20,305 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:23:20,305 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:23:20,306 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:23:20,307 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:23:20,307 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:23:20,307 INFO  L87              Difference]: Start difference. First operand 6717 states and 10024 transitions. Second operand  has 5 states, 5 states have (on average 598.4) internal successors, (2992), 5 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:20,415 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:23:20,415 INFO  L93              Difference]: Finished difference Result 12390 states and 18485 transitions.
[2024-12-01 23:23:20,416 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:23:20,416 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 598.4) internal successors, (2992), 5 states have internal predecessors, (2992), 0 states have call successors, (0), 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 3382
[2024-12-01 23:23:20,418 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:23:20,422 INFO  L225             Difference]: With dead ends: 12390
[2024-12-01 23:23:20,423 INFO  L226             Difference]: Without dead ends: 6721
[2024-12-01 23:23:20,425 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
[2024-12-01 23:23:20,426 INFO  L435           NwaCegarLoop]: 8774 mSDtfsCounter, 0 mSDsluCounter, 26306 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35080 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:23:20,426 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35080 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:23:20,430 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6721 states.
[2024-12-01 23:23:20,468 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6721 to 6719.
[2024-12-01 23:23:20,472 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6719 states, 6718 states have (on average 1.492408454897291) internal successors, (10026), 6718 states have internal predecessors, (10026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:20,477 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6719 states to 6719 states and 10026 transitions.
[2024-12-01 23:23:20,478 INFO  L78                 Accepts]: Start accepts. Automaton has 6719 states and 10026 transitions. Word has length 3382
[2024-12-01 23:23:20,479 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:23:20,479 INFO  L471      AbstractCegarLoop]: Abstraction has 6719 states and 10026 transitions.
[2024-12-01 23:23:20,479 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 598.4) internal successors, (2992), 5 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:20,479 INFO  L276                IsEmpty]: Start isEmpty. Operand 6719 states and 10026 transitions.
[2024-12-01 23:23:20,523 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3384
[2024-12-01 23:23:20,523 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:23:20,523 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]
[2024-12-01 23:23:20,523 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2024-12-01 23:23:20,523 INFO  L396      AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:23:20,524 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:23:20,524 INFO  L85        PathProgramCache]: Analyzing trace with hash -370255600, now seen corresponding path program 1 times
[2024-12-01 23:23:20,524 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:23:20,524 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84719695]
[2024-12-01 23:23:20,524 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:23:20,524 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:23:23,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:23:28,830 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked.
[2024-12-01 23:23:28,831 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:23:28,831 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84719695]
[2024-12-01 23:23:28,831 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84719695] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:23:28,831 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:23:28,831 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:23:28,831 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375147042]
[2024-12-01 23:23:28,831 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:23:28,833 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:23:28,833 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:23:28,835 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:23:28,835 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:23:28,835 INFO  L87              Difference]: Start difference. First operand 6719 states and 10026 transitions. Second operand  has 4 states, 4 states have (on average 748.75) internal successors, (2995), 4 states have internal predecessors, (2995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:28,945 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:23:28,945 INFO  L93              Difference]: Finished difference Result 12398 states and 18495 transitions.
[2024-12-01 23:23:28,946 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:23:28,946 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 748.75) internal successors, (2995), 4 states have internal predecessors, (2995), 0 states have call successors, (0), 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 3383
[2024-12-01 23:23:28,949 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:23:28,954 INFO  L225             Difference]: With dead ends: 12398
[2024-12-01 23:23:28,954 INFO  L226             Difference]: Without dead ends: 6723
[2024-12-01 23:23:28,958 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
[2024-12-01 23:23:28,958 INFO  L435           NwaCegarLoop]: 8774 mSDtfsCounter, 0 mSDsluCounter, 17538 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26312 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
[2024-12-01 23:23:28,959 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26312 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:23:28,966 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6723 states.
[2024-12-01 23:23:29,240 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6721.
[2024-12-01 23:23:29,244 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6721 states, 6720 states have (on average 1.4922619047619048) internal successors, (10028), 6720 states have internal predecessors, (10028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:29,252 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6721 states to 6721 states and 10028 transitions.
[2024-12-01 23:23:29,253 INFO  L78                 Accepts]: Start accepts. Automaton has 6721 states and 10028 transitions. Word has length 3383
[2024-12-01 23:23:29,255 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:23:29,255 INFO  L471      AbstractCegarLoop]: Abstraction has 6721 states and 10028 transitions.
[2024-12-01 23:23:29,255 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 748.75) internal successors, (2995), 4 states have internal predecessors, (2995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:29,255 INFO  L276                IsEmpty]: Start isEmpty. Operand 6721 states and 10028 transitions.
[2024-12-01 23:23:29,328 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3385
[2024-12-01 23:23:29,328 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:23:29,329 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]
[2024-12-01 23:23:29,329 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2024-12-01 23:23:29,329 INFO  L396      AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:23:29,330 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:23:29,330 INFO  L85        PathProgramCache]: Analyzing trace with hash 666295901, now seen corresponding path program 1 times
[2024-12-01 23:23:29,331 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:23:29,331 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431359073]
[2024-12-01 23:23:29,331 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:23:29,331 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:23:35,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:23:42,923 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:23:42,924 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:23:42,924 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431359073]
[2024-12-01 23:23:42,924 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431359073] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:23:42,924 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:23:42,924 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:23:42,924 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081363309]
[2024-12-01 23:23:42,924 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:23:42,926 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:23:42,926 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:23:42,928 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:23:42,928 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:23:42,929 INFO  L87              Difference]: Start difference. First operand 6721 states and 10028 transitions. Second operand  has 5 states, 5 states have (on average 676.8) internal successors, (3384), 5 states have internal predecessors, (3384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:43,300 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:23:43,300 INFO  L93              Difference]: Finished difference Result 12364 states and 18442 transitions.
[2024-12-01 23:23:43,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-01 23:23:43,302 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 676.8) internal successors, (3384), 5 states have internal predecessors, (3384), 0 states have call successors, (0), 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 3384
[2024-12-01 23:23:43,303 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:23:43,307 INFO  L225             Difference]: With dead ends: 12364
[2024-12-01 23:23:43,307 INFO  L226             Difference]: Without dead ends: 6721
[2024-12-01 23:23:43,310 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:23:43,310 INFO  L435           NwaCegarLoop]: 8670 mSDtfsCounter, 7343 mSDsluCounter, 17333 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7343 SdHoareTripleChecker+Valid, 26003 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-01 23:23:43,310 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7343 Valid, 26003 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-01 23:23:43,315 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6721 states.
[2024-12-01 23:23:43,351 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6721 to 6721.
[2024-12-01 23:23:43,356 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6721 states, 6720 states have (on average 1.4921130952380952) internal successors, (10027), 6720 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:43,361 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6721 states to 6721 states and 10027 transitions.
[2024-12-01 23:23:43,362 INFO  L78                 Accepts]: Start accepts. Automaton has 6721 states and 10027 transitions. Word has length 3384
[2024-12-01 23:23:43,362 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:23:43,362 INFO  L471      AbstractCegarLoop]: Abstraction has 6721 states and 10027 transitions.
[2024-12-01 23:23:43,363 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 676.8) internal successors, (3384), 5 states have internal predecessors, (3384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:43,363 INFO  L276                IsEmpty]: Start isEmpty. Operand 6721 states and 10027 transitions.
[2024-12-01 23:23:43,406 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3385
[2024-12-01 23:23:43,406 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:23:43,407 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]
[2024-12-01 23:23:43,407 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2024-12-01 23:23:43,407 INFO  L396      AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:23:43,407 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:23:43,408 INFO  L85        PathProgramCache]: Analyzing trace with hash -1120980323, now seen corresponding path program 1 times
[2024-12-01 23:23:43,408 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:23:43,408 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43103737]
[2024-12-01 23:23:43,408 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:23:43,408 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:23:46,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:23:52,196 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked.
[2024-12-01 23:23:52,196 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:23:52,197 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43103737]
[2024-12-01 23:23:52,197 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43103737] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:23:52,197 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:23:52,197 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:23:52,197 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754225747]
[2024-12-01 23:23:52,197 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:23:52,198 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:23:52,198 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:23:52,199 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:23:52,199 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:23:52,199 INFO  L87              Difference]: Start difference. First operand 6721 states and 10027 transitions. Second operand  has 4 states, 4 states have (on average 749.5) internal successors, (2998), 4 states have internal predecessors, (2998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:52,277 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:23:52,277 INFO  L93              Difference]: Finished difference Result 12406 states and 18503 transitions.
[2024-12-01 23:23:52,278 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:23:52,278 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 749.5) internal successors, (2998), 4 states have internal predecessors, (2998), 0 states have call successors, (0), 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 3384
[2024-12-01 23:23:52,280 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:23:52,285 INFO  L225             Difference]: With dead ends: 12406
[2024-12-01 23:23:52,285 INFO  L226             Difference]: Without dead ends: 6725
[2024-12-01 23:23:52,288 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
[2024-12-01 23:23:52,288 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 0 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26309 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
[2024-12-01 23:23:52,288 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:23:52,293 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6725 states.
[2024-12-01 23:23:52,333 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6725 to 6723.
[2024-12-01 23:23:52,339 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6723 states, 6722 states have (on average 1.49196667658435) internal successors, (10029), 6722 states have internal predecessors, (10029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:52,345 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6723 states to 6723 states and 10029 transitions.
[2024-12-01 23:23:52,345 INFO  L78                 Accepts]: Start accepts. Automaton has 6723 states and 10029 transitions. Word has length 3384
[2024-12-01 23:23:52,346 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:23:52,346 INFO  L471      AbstractCegarLoop]: Abstraction has 6723 states and 10029 transitions.
[2024-12-01 23:23:52,347 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 749.5) internal successors, (2998), 4 states have internal predecessors, (2998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:23:52,347 INFO  L276                IsEmpty]: Start isEmpty. Operand 6723 states and 10029 transitions.
[2024-12-01 23:23:52,391 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3386
[2024-12-01 23:23:52,391 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:23:52,392 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]
[2024-12-01 23:23:52,392 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2024-12-01 23:23:52,392 INFO  L396      AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:23:52,393 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:23:52,393 INFO  L85        PathProgramCache]: Analyzing trace with hash 1318712503, now seen corresponding path program 1 times
[2024-12-01 23:23:52,393 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:23:52,393 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465520076]
[2024-12-01 23:23:52,393 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:23:52,393 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:23:55,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:24:01,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked.
[2024-12-01 23:24:01,637 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:24:01,637 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465520076]
[2024-12-01 23:24:01,637 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465520076] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:24:01,637 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:24:01,637 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:24:01,637 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112067760]
[2024-12-01 23:24:01,637 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:24:01,639 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:24:01,639 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:24:01,641 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:24:01,641 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:24:01,642 INFO  L87              Difference]: Start difference. First operand 6723 states and 10029 transitions. Second operand  has 5 states, 5 states have (on average 600.2) internal successors, (3001), 5 states have internal predecessors, (3001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:01,733 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:24:01,733 INFO  L93              Difference]: Finished difference Result 12414 states and 18513 transitions.
[2024-12-01 23:24:01,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:24:01,734 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 600.2) internal successors, (3001), 5 states have internal predecessors, (3001), 0 states have call successors, (0), 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 3385
[2024-12-01 23:24:01,738 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:24:01,744 INFO  L225             Difference]: With dead ends: 12414
[2024-12-01 23:24:01,744 INFO  L226             Difference]: Without dead ends: 6727
[2024-12-01 23:24:01,749 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
[2024-12-01 23:24:01,749 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 0 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26309 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:24:01,750 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26309 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:24:01,757 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6727 states.
[2024-12-01 23:24:01,808 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6727 to 6725.
[2024-12-01 23:24:01,814 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6725 states, 6724 states have (on average 1.4918203450327185) internal successors, (10031), 6724 states have internal predecessors, (10031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:01,820 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6725 states to 6725 states and 10031 transitions.
[2024-12-01 23:24:01,820 INFO  L78                 Accepts]: Start accepts. Automaton has 6725 states and 10031 transitions. Word has length 3385
[2024-12-01 23:24:01,822 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:24:01,822 INFO  L471      AbstractCegarLoop]: Abstraction has 6725 states and 10031 transitions.
[2024-12-01 23:24:01,822 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 600.2) internal successors, (3001), 5 states have internal predecessors, (3001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:01,823 INFO  L276                IsEmpty]: Start isEmpty. Operand 6725 states and 10031 transitions.
[2024-12-01 23:24:01,886 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3387
[2024-12-01 23:24:01,886 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:24:01,886 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:24:01,887 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2024-12-01 23:24:01,887 INFO  L396      AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:24:01,887 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:24:01,887 INFO  L85        PathProgramCache]: Analyzing trace with hash 301874742, now seen corresponding path program 1 times
[2024-12-01 23:24:01,887 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:24:01,887 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491359198]
[2024-12-01 23:24:01,888 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:24:01,888 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:24:05,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:24:10,597 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked.
[2024-12-01 23:24:10,597 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:24:10,597 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491359198]
[2024-12-01 23:24:10,597 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491359198] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:24:10,597 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:24:10,597 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:24:10,597 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765683409]
[2024-12-01 23:24:10,597 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:24:10,599 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:24:10,599 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:24:10,601 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:24:10,601 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:24:10,602 INFO  L87              Difference]: Start difference. First operand 6725 states and 10031 transitions. Second operand  has 4 states, 4 states have (on average 751.0) internal successors, (3004), 4 states have internal predecessors, (3004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:10,721 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:24:10,721 INFO  L93              Difference]: Finished difference Result 12422 states and 18523 transitions.
[2024-12-01 23:24:10,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:24:10,723 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 751.0) internal successors, (3004), 4 states have internal predecessors, (3004), 0 states have call successors, (0), 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 3386
[2024-12-01 23:24:10,726 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:24:10,731 INFO  L225             Difference]: With dead ends: 12422
[2024-12-01 23:24:10,731 INFO  L226             Difference]: Without dead ends: 6729
[2024-12-01 23:24:10,735 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
[2024-12-01 23:24:10,735 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 0 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26309 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
[2024-12-01 23:24:10,736 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:24:10,743 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6729 states.
[2024-12-01 23:24:10,808 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6729 to 6727.
[2024-12-01 23:24:10,814 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6727 states, 6726 states have (on average 1.491674100505501) internal successors, (10033), 6726 states have internal predecessors, (10033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:10,824 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6727 states to 6727 states and 10033 transitions.
[2024-12-01 23:24:10,825 INFO  L78                 Accepts]: Start accepts. Automaton has 6727 states and 10033 transitions. Word has length 3386
[2024-12-01 23:24:10,827 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:24:10,827 INFO  L471      AbstractCegarLoop]: Abstraction has 6727 states and 10033 transitions.
[2024-12-01 23:24:10,828 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 751.0) internal successors, (3004), 4 states have internal predecessors, (3004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:10,828 INFO  L276                IsEmpty]: Start isEmpty. Operand 6727 states and 10033 transitions.
[2024-12-01 23:24:10,964 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3388
[2024-12-01 23:24:10,964 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:24:10,964 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:24:10,965 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51
[2024-12-01 23:24:10,965 INFO  L396      AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:24:10,965 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:24:10,966 INFO  L85        PathProgramCache]: Analyzing trace with hash 855626142, now seen corresponding path program 1 times
[2024-12-01 23:24:10,966 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:24:10,966 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525212868]
[2024-12-01 23:24:10,966 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:24:10,966 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:24:14,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:24:20,423 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked.
[2024-12-01 23:24:20,423 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:24:20,423 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525212868]
[2024-12-01 23:24:20,423 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525212868] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:24:20,423 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:24:20,424 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:24:20,424 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225431361]
[2024-12-01 23:24:20,424 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:24:20,425 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:24:20,425 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:24:20,427 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:24:20,427 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:24:20,427 INFO  L87              Difference]: Start difference. First operand 6727 states and 10033 transitions. Second operand  has 4 states, 4 states have (on average 751.75) internal successors, (3007), 4 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:20,510 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:24:20,510 INFO  L93              Difference]: Finished difference Result 12430 states and 18533 transitions.
[2024-12-01 23:24:20,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:24:20,511 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 751.75) internal successors, (3007), 4 states have internal predecessors, (3007), 0 states have call successors, (0), 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 3387
[2024-12-01 23:24:20,513 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:24:20,518 INFO  L225             Difference]: With dead ends: 12430
[2024-12-01 23:24:20,518 INFO  L226             Difference]: Without dead ends: 6731
[2024-12-01 23:24:20,522 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
[2024-12-01 23:24:20,522 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 0 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26309 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
[2024-12-01 23:24:20,522 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:24:20,528 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6731 states.
[2024-12-01 23:24:20,571 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6731 to 6729.
[2024-12-01 23:24:20,577 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6729 states, 6728 states have (on average 1.4915279429250892) internal successors, (10035), 6728 states have internal predecessors, (10035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:20,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 10035 transitions.
[2024-12-01 23:24:20,584 INFO  L78                 Accepts]: Start accepts. Automaton has 6729 states and 10035 transitions. Word has length 3387
[2024-12-01 23:24:20,585 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:24:20,585 INFO  L471      AbstractCegarLoop]: Abstraction has 6729 states and 10035 transitions.
[2024-12-01 23:24:20,586 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 751.75) internal successors, (3007), 4 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:20,586 INFO  L276                IsEmpty]: Start isEmpty. Operand 6729 states and 10035 transitions.
[2024-12-01 23:24:20,661 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3389
[2024-12-01 23:24:20,661 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:24:20,661 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]
[2024-12-01 23:24:20,662 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52
[2024-12-01 23:24:20,662 INFO  L396      AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:24:20,662 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:24:20,662 INFO  L85        PathProgramCache]: Analyzing trace with hash -1417933617, now seen corresponding path program 1 times
[2024-12-01 23:24:20,662 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:24:20,662 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274323160]
[2024-12-01 23:24:20,663 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:24:20,663 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:24:24,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:24:30,501 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked.
[2024-12-01 23:24:30,501 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:24:30,501 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274323160]
[2024-12-01 23:24:30,501 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274323160] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:24:30,501 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:24:30,502 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:24:30,502 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46824670]
[2024-12-01 23:24:30,502 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:24:30,504 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:24:30,504 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:24:30,506 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:24:30,506 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:24:30,507 INFO  L87              Difference]: Start difference. First operand 6729 states and 10035 transitions. Second operand  has 4 states, 4 states have (on average 752.5) internal successors, (3010), 4 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:30,694 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:24:30,694 INFO  L93              Difference]: Finished difference Result 12438 states and 18543 transitions.
[2024-12-01 23:24:30,695 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:24:30,695 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 752.5) internal successors, (3010), 4 states have internal predecessors, (3010), 0 states have call successors, (0), 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 3388
[2024-12-01 23:24:30,697 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:24:30,701 INFO  L225             Difference]: With dead ends: 12438
[2024-12-01 23:24:30,701 INFO  L226             Difference]: Without dead ends: 6733
[2024-12-01 23:24:30,705 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
[2024-12-01 23:24:30,705 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 0 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26309 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:24:30,705 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:24:30,710 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6733 states.
[2024-12-01 23:24:30,748 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6733 to 6731.
[2024-12-01 23:24:30,753 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6731 states, 6730 states have (on average 1.4913818722139673) internal successors, (10037), 6730 states have internal predecessors, (10037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:30,758 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6731 states to 6731 states and 10037 transitions.
[2024-12-01 23:24:30,759 INFO  L78                 Accepts]: Start accepts. Automaton has 6731 states and 10037 transitions. Word has length 3388
[2024-12-01 23:24:30,760 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:24:30,760 INFO  L471      AbstractCegarLoop]: Abstraction has 6731 states and 10037 transitions.
[2024-12-01 23:24:30,760 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 752.5) internal successors, (3010), 4 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:30,761 INFO  L276                IsEmpty]: Start isEmpty. Operand 6731 states and 10037 transitions.
[2024-12-01 23:24:30,804 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3390
[2024-12-01 23:24:30,804 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:24:30,805 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]
[2024-12-01 23:24:30,805 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53
[2024-12-01 23:24:30,805 INFO  L396      AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:24:30,805 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:24:30,806 INFO  L85        PathProgramCache]: Analyzing trace with hash 1840890757, now seen corresponding path program 1 times
[2024-12-01 23:24:30,806 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:24:30,806 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106382716]
[2024-12-01 23:24:30,806 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:24:30,806 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:24:34,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:24:39,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2024-12-01 23:24:39,178 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:24:39,178 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106382716]
[2024-12-01 23:24:39,178 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106382716] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:24:39,178 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:24:39,179 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:24:39,179 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750528924]
[2024-12-01 23:24:39,179 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:24:39,181 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:24:39,181 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:24:39,183 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:24:39,183 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:24:39,183 INFO  L87              Difference]: Start difference. First operand 6731 states and 10037 transitions. Second operand  has 4 states, 4 states have (on average 753.25) internal successors, (3013), 4 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:39,317 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:24:39,317 INFO  L93              Difference]: Finished difference Result 12446 states and 18553 transitions.
[2024-12-01 23:24:39,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:24:39,318 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 753.25) internal successors, (3013), 4 states have internal predecessors, (3013), 0 states have call successors, (0), 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 3389
[2024-12-01 23:24:39,320 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:24:39,323 INFO  L225             Difference]: With dead ends: 12446
[2024-12-01 23:24:39,323 INFO  L226             Difference]: Without dead ends: 6735
[2024-12-01 23:24:39,324 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
[2024-12-01 23:24:39,325 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 0 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26309 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
[2024-12-01 23:24:39,325 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:24:39,331 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6735 states.
[2024-12-01 23:24:39,367 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6735 to 6733.
[2024-12-01 23:24:39,372 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6733 states, 6732 states have (on average 1.4912358882947119) internal successors, (10039), 6732 states have internal predecessors, (10039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:39,378 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6733 states to 6733 states and 10039 transitions.
[2024-12-01 23:24:39,378 INFO  L78                 Accepts]: Start accepts. Automaton has 6733 states and 10039 transitions. Word has length 3389
[2024-12-01 23:24:39,379 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:24:39,379 INFO  L471      AbstractCegarLoop]: Abstraction has 6733 states and 10039 transitions.
[2024-12-01 23:24:39,380 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 753.25) internal successors, (3013), 4 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:39,380 INFO  L276                IsEmpty]: Start isEmpty. Operand 6733 states and 10039 transitions.
[2024-12-01 23:24:39,424 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3391
[2024-12-01 23:24:39,424 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:24:39,424 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]
[2024-12-01 23:24:39,424 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54
[2024-12-01 23:24:39,424 INFO  L396      AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:24:39,425 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:24:39,426 INFO  L85        PathProgramCache]: Analyzing trace with hash -498405784, now seen corresponding path program 1 times
[2024-12-01 23:24:39,426 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:24:39,426 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986549901]
[2024-12-01 23:24:39,426 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:24:39,426 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:24:42,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:24:48,919 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked.
[2024-12-01 23:24:48,920 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:24:48,920 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986549901]
[2024-12-01 23:24:48,920 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986549901] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:24:48,920 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:24:48,920 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:24:48,920 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571155820]
[2024-12-01 23:24:48,920 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:24:48,921 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:24:48,921 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:24:48,922 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:24:48,922 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:24:48,923 INFO  L87              Difference]: Start difference. First operand 6733 states and 10039 transitions. Second operand  has 5 states, 5 states have (on average 603.2) internal successors, (3016), 5 states have internal predecessors, (3016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:49,010 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:24:49,010 INFO  L93              Difference]: Finished difference Result 12454 states and 18563 transitions.
[2024-12-01 23:24:49,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:24:49,011 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 603.2) internal successors, (3016), 5 states have internal predecessors, (3016), 0 states have call successors, (0), 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 3390
[2024-12-01 23:24:49,013 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:24:49,017 INFO  L225             Difference]: With dead ends: 12454
[2024-12-01 23:24:49,017 INFO  L226             Difference]: Without dead ends: 6737
[2024-12-01 23:24:49,020 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
[2024-12-01 23:24:49,020 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 0 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26309 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:24:49,021 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26309 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:24:49,025 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6737 states.
[2024-12-01 23:24:49,068 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6737 to 6735.
[2024-12-01 23:24:49,075 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6735 states, 6734 states have (on average 1.491089991089991) internal successors, (10041), 6734 states have internal predecessors, (10041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:49,083 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6735 states to 6735 states and 10041 transitions.
[2024-12-01 23:24:49,083 INFO  L78                 Accepts]: Start accepts. Automaton has 6735 states and 10041 transitions. Word has length 3390
[2024-12-01 23:24:49,085 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:24:49,085 INFO  L471      AbstractCegarLoop]: Abstraction has 6735 states and 10041 transitions.
[2024-12-01 23:24:49,086 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 603.2) internal successors, (3016), 5 states have internal predecessors, (3016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:49,086 INFO  L276                IsEmpty]: Start isEmpty. Operand 6735 states and 10041 transitions.
[2024-12-01 23:24:49,159 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3392
[2024-12-01 23:24:49,160 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:24:49,160 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]
[2024-12-01 23:24:49,160 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55
[2024-12-01 23:24:49,161 INFO  L396      AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:24:49,161 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:24:49,162 INFO  L85        PathProgramCache]: Analyzing trace with hash -1632273812, now seen corresponding path program 1 times
[2024-12-01 23:24:49,162 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:24:49,162 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054142943]
[2024-12-01 23:24:49,162 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:24:49,163 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:24:52,356 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:24:57,597 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked.
[2024-12-01 23:24:57,597 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:24:57,597 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054142943]
[2024-12-01 23:24:57,597 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054142943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:24:57,597 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:24:57,598 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:24:57,598 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930497323]
[2024-12-01 23:24:57,598 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:24:57,600 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:24:57,600 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:24:57,602 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:24:57,602 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:24:57,602 INFO  L87              Difference]: Start difference. First operand 6735 states and 10041 transitions. Second operand  has 4 states, 4 states have (on average 754.75) internal successors, (3019), 4 states have internal predecessors, (3019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:57,717 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:24:57,717 INFO  L93              Difference]: Finished difference Result 12462 states and 18573 transitions.
[2024-12-01 23:24:57,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:24:57,718 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 754.75) internal successors, (3019), 4 states have internal predecessors, (3019), 0 states have call successors, (0), 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 3391
[2024-12-01 23:24:57,721 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:24:57,727 INFO  L225             Difference]: With dead ends: 12462
[2024-12-01 23:24:57,727 INFO  L226             Difference]: Without dead ends: 6739
[2024-12-01 23:24:57,730 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
[2024-12-01 23:24:57,731 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 0 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26309 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
[2024-12-01 23:24:57,731 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:24:57,738 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6739 states.
[2024-12-01 23:24:57,800 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6739 to 6737.
[2024-12-01 23:24:57,805 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6737 states, 6736 states have (on average 1.4909441805225654) internal successors, (10043), 6736 states have internal predecessors, (10043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:57,814 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6737 states to 6737 states and 10043 transitions.
[2024-12-01 23:24:57,814 INFO  L78                 Accepts]: Start accepts. Automaton has 6737 states and 10043 transitions. Word has length 3391
[2024-12-01 23:24:57,816 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:24:57,817 INFO  L471      AbstractCegarLoop]: Abstraction has 6737 states and 10043 transitions.
[2024-12-01 23:24:57,817 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 754.75) internal successors, (3019), 4 states have internal predecessors, (3019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:24:57,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 6737 states and 10043 transitions.
[2024-12-01 23:24:57,932 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3393
[2024-12-01 23:24:57,932 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:24:57,933 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]
[2024-12-01 23:24:57,933 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56
[2024-12-01 23:24:57,933 INFO  L396      AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:24:57,934 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:24:57,934 INFO  L85        PathProgramCache]: Analyzing trace with hash -2110967039, now seen corresponding path program 1 times
[2024-12-01 23:24:57,934 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:24:57,935 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543781756]
[2024-12-01 23:24:57,935 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:24:57,935 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:25:01,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:25:06,477 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked.
[2024-12-01 23:25:06,477 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:25:06,477 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543781756]
[2024-12-01 23:25:06,477 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543781756] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:25:06,477 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:25:06,478 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:25:06,478 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428508733]
[2024-12-01 23:25:06,478 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:25:06,479 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:25:06,479 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:25:06,479 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:25:06,480 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:25:06,480 INFO  L87              Difference]: Start difference. First operand 6737 states and 10043 transitions. Second operand  has 4 states, 4 states have (on average 756.0) internal successors, (3024), 4 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:06,559 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:25:06,559 INFO  L93              Difference]: Finished difference Result 12478 states and 18595 transitions.
[2024-12-01 23:25:06,559 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:25:06,560 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 756.0) internal successors, (3024), 4 states have internal predecessors, (3024), 0 states have call successors, (0), 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 3392
[2024-12-01 23:25:06,562 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:25:06,566 INFO  L225             Difference]: With dead ends: 12478
[2024-12-01 23:25:06,566 INFO  L226             Difference]: Without dead ends: 6749
[2024-12-01 23:25:06,569 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
[2024-12-01 23:25:06,569 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 4 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 26309 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
[2024-12-01 23:25:06,569 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 26309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:25:06,574 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6749 states.
[2024-12-01 23:25:06,612 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6749 to 6743.
[2024-12-01 23:25:06,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6743 states, 6742 states have (on average 1.4908039157520023) internal successors, (10051), 6742 states have internal predecessors, (10051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:06,623 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6743 states to 6743 states and 10051 transitions.
[2024-12-01 23:25:06,623 INFO  L78                 Accepts]: Start accepts. Automaton has 6743 states and 10051 transitions. Word has length 3392
[2024-12-01 23:25:06,624 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:25:06,624 INFO  L471      AbstractCegarLoop]: Abstraction has 6743 states and 10051 transitions.
[2024-12-01 23:25:06,625 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 756.0) internal successors, (3024), 4 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:06,625 INFO  L276                IsEmpty]: Start isEmpty. Operand 6743 states and 10051 transitions.
[2024-12-01 23:25:06,668 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3394
[2024-12-01 23:25:06,668 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:25:06,669 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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[2024-12-01 23:25:06,669 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57
[2024-12-01 23:25:06,669 INFO  L396      AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:25:06,670 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:25:06,670 INFO  L85        PathProgramCache]: Analyzing trace with hash 842238426, now seen corresponding path program 1 times
[2024-12-01 23:25:06,670 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:25:06,670 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081705707]
[2024-12-01 23:25:06,670 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:25:06,670 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:25:10,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:25:15,219 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked.
[2024-12-01 23:25:15,219 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:25:15,219 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081705707]
[2024-12-01 23:25:15,219 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081705707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:25:15,219 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:25:15,219 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:25:15,219 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767642988]
[2024-12-01 23:25:15,219 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:25:15,220 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:25:15,220 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:25:15,221 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:25:15,221 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:25:15,222 INFO  L87              Difference]: Start difference. First operand 6743 states and 10051 transitions. Second operand  has 4 states, 4 states have (on average 757.25) internal successors, (3029), 4 states have internal predecessors, (3029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:15,298 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:25:15,298 INFO  L93              Difference]: Finished difference Result 12498 states and 18623 transitions.
[2024-12-01 23:25:15,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:25:15,300 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 757.25) internal successors, (3029), 4 states have internal predecessors, (3029), 0 states have call successors, (0), 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 3393
[2024-12-01 23:25:15,302 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:25:15,306 INFO  L225             Difference]: With dead ends: 12498
[2024-12-01 23:25:15,306 INFO  L226             Difference]: Without dead ends: 6755
[2024-12-01 23:25:15,309 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:25:15,310 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 4 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 26309 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
[2024-12-01 23:25:15,310 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 26309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:25:15,315 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6755 states.
[2024-12-01 23:25:15,355 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6755 to 6749.
[2024-12-01 23:25:15,360 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6749 states, 6748 states have (on average 1.4906639004149378) internal successors, (10059), 6748 states have internal predecessors, (10059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:15,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6749 states to 6749 states and 10059 transitions.
[2024-12-01 23:25:15,366 INFO  L78                 Accepts]: Start accepts. Automaton has 6749 states and 10059 transitions. Word has length 3393
[2024-12-01 23:25:15,368 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:25:15,368 INFO  L471      AbstractCegarLoop]: Abstraction has 6749 states and 10059 transitions.
[2024-12-01 23:25:15,368 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 757.25) internal successors, (3029), 4 states have internal predecessors, (3029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:15,368 INFO  L276                IsEmpty]: Start isEmpty. Operand 6749 states and 10059 transitions.
[2024-12-01 23:25:15,412 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3395
[2024-12-01 23:25:15,412 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:25:15,413 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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[2024-12-01 23:25:15,413 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58
[2024-12-01 23:25:15,413 INFO  L396      AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:25:15,414 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:25:15,414 INFO  L85        PathProgramCache]: Analyzing trace with hash -1493900781, now seen corresponding path program 1 times
[2024-12-01 23:25:15,415 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:25:15,415 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532187592]
[2024-12-01 23:25:15,415 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:25:15,415 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:25:18,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:25:23,258 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-12-01 23:25:23,258 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:25:23,258 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532187592]
[2024-12-01 23:25:23,258 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532187592] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:25:23,258 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:25:23,259 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:25:23,259 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737944436]
[2024-12-01 23:25:23,259 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:25:23,260 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:25:23,260 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:25:23,262 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:25:23,262 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:25:23,263 INFO  L87              Difference]: Start difference. First operand 6749 states and 10059 transitions. Second operand  has 4 states, 4 states have (on average 758.0) internal successors, (3032), 4 states have internal predecessors, (3032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:23,376 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:25:23,376 INFO  L93              Difference]: Finished difference Result 12510 states and 18639 transitions.
[2024-12-01 23:25:23,377 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:25:23,377 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 758.0) internal successors, (3032), 4 states have internal predecessors, (3032), 0 states have call successors, (0), 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 3394
[2024-12-01 23:25:23,382 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:25:23,389 INFO  L225             Difference]: With dead ends: 12510
[2024-12-01 23:25:23,389 INFO  L226             Difference]: Without dead ends: 6753
[2024-12-01 23:25:23,394 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
[2024-12-01 23:25:23,395 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 0 mSDsluCounter, 17530 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26303 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:25:23,395 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26303 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:25:23,404 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6753 states.
[2024-12-01 23:25:23,470 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6753 to 6751.
[2024-12-01 23:25:23,476 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6751 states, 6750 states have (on average 1.4905185185185186) internal successors, (10061), 6750 states have internal predecessors, (10061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:23,485 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6751 states to 6751 states and 10061 transitions.
[2024-12-01 23:25:23,485 INFO  L78                 Accepts]: Start accepts. Automaton has 6751 states and 10061 transitions. Word has length 3394
[2024-12-01 23:25:23,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:25:23,487 INFO  L471      AbstractCegarLoop]: Abstraction has 6751 states and 10061 transitions.
[2024-12-01 23:25:23,487 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 758.0) internal successors, (3032), 4 states have internal predecessors, (3032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:23,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 6751 states and 10061 transitions.
[2024-12-01 23:25:23,581 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3396
[2024-12-01 23:25:23,581 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:25:23,581 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:25:23,581 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59
[2024-12-01 23:25:23,581 INFO  L396      AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:25:23,582 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:25:23,582 INFO  L85        PathProgramCache]: Analyzing trace with hash 1054145921, now seen corresponding path program 1 times
[2024-12-01 23:25:23,582 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:25:23,582 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049486095]
[2024-12-01 23:25:23,583 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:25:23,583 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:25:27,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:25:33,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked.
[2024-12-01 23:25:33,660 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:25:33,660 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049486095]
[2024-12-01 23:25:33,660 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049486095] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:25:33,660 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:25:33,660 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:25:33,660 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356398149]
[2024-12-01 23:25:33,660 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:25:33,661 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:25:33,661 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:25:33,662 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:25:33,662 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:25:33,663 INFO  L87              Difference]: Start difference. First operand 6751 states and 10061 transitions. Second operand  has 4 states, 4 states have (on average 758.75) internal successors, (3035), 4 states have internal predecessors, (3035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:33,742 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:25:33,742 INFO  L93              Difference]: Finished difference Result 12524 states and 18657 transitions.
[2024-12-01 23:25:33,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:25:33,743 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 758.75) internal successors, (3035), 4 states have internal predecessors, (3035), 0 states have call successors, (0), 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 3395
[2024-12-01 23:25:33,745 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:25:33,749 INFO  L225             Difference]: With dead ends: 12524
[2024-12-01 23:25:33,749 INFO  L226             Difference]: Without dead ends: 6765
[2024-12-01 23:25:33,752 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
[2024-12-01 23:25:33,752 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 3 mSDsluCounter, 17536 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 26309 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
[2024-12-01 23:25:33,752 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 26309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:25:33,757 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6765 states.
[2024-12-01 23:25:33,797 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6765 to 6755.
[2024-12-01 23:25:33,802 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6755 states, 6754 states have (on average 1.4905241338466093) internal successors, (10067), 6754 states have internal predecessors, (10067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:33,808 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6755 states to 6755 states and 10067 transitions.
[2024-12-01 23:25:33,809 INFO  L78                 Accepts]: Start accepts. Automaton has 6755 states and 10067 transitions. Word has length 3395
[2024-12-01 23:25:33,810 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:25:33,810 INFO  L471      AbstractCegarLoop]: Abstraction has 6755 states and 10067 transitions.
[2024-12-01 23:25:33,810 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 758.75) internal successors, (3035), 4 states have internal predecessors, (3035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:33,810 INFO  L276                IsEmpty]: Start isEmpty. Operand 6755 states and 10067 transitions.
[2024-12-01 23:25:33,855 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3397
[2024-12-01 23:25:33,855 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:25:33,856 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]
[2024-12-01 23:25:33,856 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60
[2024-12-01 23:25:33,856 INFO  L396      AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:25:33,857 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:25:33,857 INFO  L85        PathProgramCache]: Analyzing trace with hash -2078817812, now seen corresponding path program 1 times
[2024-12-01 23:25:33,857 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:25:33,857 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103480012]
[2024-12-01 23:25:33,857 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:25:33,857 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:25:37,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:25:42,519 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked.
[2024-12-01 23:25:42,519 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:25:42,519 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103480012]
[2024-12-01 23:25:42,520 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103480012] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:25:42,520 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:25:42,520 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:25:42,520 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491071263]
[2024-12-01 23:25:42,520 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:25:42,521 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:25:42,521 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:25:42,522 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:25:42,522 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:25:42,522 INFO  L87              Difference]: Start difference. First operand 6755 states and 10067 transitions. Second operand  has 4 states, 4 states have (on average 759.5) internal successors, (3038), 4 states have internal predecessors, (3038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:42,612 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:25:42,612 INFO  L93              Difference]: Finished difference Result 12530 states and 18667 transitions.
[2024-12-01 23:25:42,613 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-01 23:25:42,613 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 759.5) internal successors, (3038), 4 states have internal predecessors, (3038), 0 states have call successors, (0), 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 3396
[2024-12-01 23:25:42,615 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:25:42,619 INFO  L225             Difference]: With dead ends: 12530
[2024-12-01 23:25:42,619 INFO  L226             Difference]: Without dead ends: 6759
[2024-12-01 23:25:42,623 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
[2024-12-01 23:25:42,623 INFO  L435           NwaCegarLoop]: 8773 mSDtfsCounter, 0 mSDsluCounter, 17530 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26303 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:25:42,623 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26303 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:25:42,628 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6759 states.
[2024-12-01 23:25:42,667 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6759 to 6757.
[2024-12-01 23:25:42,672 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6757 states, 6756 states have (on average 1.4903789224393131) internal successors, (10069), 6756 states have internal predecessors, (10069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:42,678 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6757 states to 6757 states and 10069 transitions.
[2024-12-01 23:25:42,678 INFO  L78                 Accepts]: Start accepts. Automaton has 6757 states and 10069 transitions. Word has length 3396
[2024-12-01 23:25:42,680 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:25:42,680 INFO  L471      AbstractCegarLoop]: Abstraction has 6757 states and 10069 transitions.
[2024-12-01 23:25:42,680 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 759.5) internal successors, (3038), 4 states have internal predecessors, (3038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:25:42,680 INFO  L276                IsEmpty]: Start isEmpty. Operand 6757 states and 10069 transitions.
[2024-12-01 23:25:42,742 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3398
[2024-12-01 23:25:42,742 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-01 23:25:42,742 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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[2024-12-01 23:25:42,742 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61
[2024-12-01 23:25:42,742 INFO  L396      AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 23:25:42,743 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:25:42,743 INFO  L85        PathProgramCache]: Analyzing trace with hash -1316211160, now seen corresponding path program 1 times
[2024-12-01 23:25:42,743 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:25:42,743 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844185120]
[2024-12-01 23:25:42,743 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:25:42,744 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:25:45,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:25:51,299 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked.
[2024-12-01 23:25:51,299 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:25:51,299 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844185120]
[2024-12-01 23:25:51,299 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844185120] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:25:51,299 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:25:51,300 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:25:51,300 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924079883]
[2024-12-01 23:25:51,300 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:25:51,301 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:25:51,301 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:25:51,302 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:25:51,302 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:25:51,303 INFO  L87              Difference]: Start difference. First operand 6757 states and 10069 transitions. Second operand  has 4 states, 4 states have (on average 760.25) internal successors, (3041), 4 states have internal predecessors, (3041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)