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


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


Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC --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 12e7b4c973f07d09cc6a521a7dd72e2a9b56a67bf5ece5e07d04433ebd4ea361
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:33:18,267 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:33:18,340 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-24 01:33:18,346 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:33:18,347 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:33:18,376 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:33:18,377 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:33:18,377 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:33:18,378 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:33:18,378 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 01:33:18,378 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:33:18,378 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:33:18,379 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:33:18,379 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 01:33:18,379 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 01:33:18,379 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:33:18,380 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:33:18,380 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 01:33:18,380 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 01:33:18,380 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:33:18,380 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:33:18,381 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:33:18,381 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-24 01:33:18,381 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:33:18,381 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 01:33:18,381 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:33:18,382 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:33:18,382 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:33:18,382 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 01:33:18,382 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:33:18,382 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:33:18,382 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:33:18,382 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:33:18,382 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 01:33:18,383 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:33:18,383 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:33:18,383 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:33:18,383 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-24 01:33:18,383 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:33:18,383 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-24 01:33:18,383 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:33:18,384 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:33:18,384 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:33:18,384 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:33:18,384 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:33:18,384 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_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC
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 -> 12e7b4c973f07d09cc6a521a7dd72e2a9b56a67bf5ece5e07d04433ebd4ea361
[2024-11-24 01:33:18,762 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:33:18,772 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:33:18,775 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:33:18,777 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 01:33:18,777 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 01:33:18,779 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c
[2024-11-24 01:33:22,430 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/data/7fd6703bd/6b7a19ec9a7745e380e50dde158f2b41/FLAG3ac9f99be
[2024-11-24 01:33:22,952 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 01:33:22,957 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c
[2024-11-24 01:33:23,005 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/data/7fd6703bd/6b7a19ec9a7745e380e50dde158f2b41/FLAG3ac9f99be
[2024-11-24 01:33:23,033 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/data/7fd6703bd/6b7a19ec9a7745e380e50dde158f2b41
[2024-11-24 01:33:23,037 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:33:23,042 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:33:23,045 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:33:23,046 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:33:23,053 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:33:23,054 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:33:23" (1/1) ...
[2024-11-24 01:33:23,055 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93f4db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:23, skipping insertion in model container
[2024-11-24 01:33:23,055 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:33:23" (1/1) ...
[2024-11-24 01:33:23,170 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:33:23,484 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_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c[1176,1189]
[2024-11-24 01:33:24,293 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:33:24,302 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 01:33:24,314 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_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c[1176,1189]
[2024-11-24 01:33:24,818 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:33:24,837 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 01:33:24,838 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24 WrapperNode
[2024-11-24 01:33:24,839 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:33:24,840 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:33:24,840 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:33:24,840 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:33:24,850 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:24,997 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:26,857 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12409
[2024-11-24 01:33:26,858 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:33:26,863 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:33:26,863 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:33:26,863 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:33:26,890 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:26,890 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:27,234 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:27,541 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].
[2024-11-24 01:33:27,542 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:27,544 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:28,075 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:28,111 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:28,196 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:28,286 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:28,346 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:28,762 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:33:28,763 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:33:28,765 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:33:28,765 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:33:28,766 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (1/1) ...
[2024-11-24 01:33:28,777 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:33:28,793 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:28,812 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:28,819 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a1c5a0-e180-452a-8df0-d5a6719d3db5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:33:28,852 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:33:28,853 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:33:28,853 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:33:28,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:33:29,884 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 01:33:29,887 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:33:55,075 INFO  L?                        ?]: Removed 6570 outVars from TransFormulas that were not future-live.
[2024-11-24 01:33:55,075 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 01:33:55,204 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:33:55,208 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 01:33:55,209 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:33:55 BoogieIcfgContainer
[2024-11-24 01:33:55,209 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:33:55,212 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:33:55,213 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:33:55,220 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:33:55,222 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:33:23" (1/3) ...
[2024-11-24 01:33:55,224 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64fdaba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:33:55, skipping insertion in model container
[2024-11-24 01:33:55,224 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:24" (2/3) ...
[2024-11-24 01:33:55,225 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64fdaba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:33:55, skipping insertion in model container
[2024-11-24 01:33:55,226 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:33:55" (3/3) ...
[2024-11-24 01:33:55,227 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.collision.5.prop1-func-interl.c
[2024-11-24 01:33:55,249 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:33:55,252 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.collision.5.prop1-func-interl.c that has 1 procedures, 4543 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 01:33:55,452 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:33:55,467 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;@36940730, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:33:55,468 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:33:55,486 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4543 states, 4541 states have (on average 1.5049548557586434) internal successors, (6834), 4542 states have internal predecessors, (6834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:33:55,508 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2024-11-24 01:33:55,509 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:33:55,510 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]
[2024-11-24 01:33:55,510 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:33:55,518 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:55,518 INFO  L85        PathProgramCache]: Analyzing trace with hash 1029595500, now seen corresponding path program 1 times
[2024-11-24 01:33:55,528 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:33:55,528 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863351969]
[2024-11-24 01:33:55,529 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:33:55,530 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:33:55,984 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:33:57,390 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:33:57,391 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:33:57,391 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863351969]
[2024-11-24 01:33:57,392 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863351969] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:33:57,392 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:33:57,392 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:33:57,394 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677075044]
[2024-11-24 01:33:57,398 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:33:57,405 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:33:57,405 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:33:57,434 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:33:57,435 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:33:57,449 INFO  L87              Difference]: Start difference. First operand  has 4543 states, 4541 states have (on average 1.5049548557586434) internal successors, (6834), 4542 states have internal predecessors, (6834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:33:57,945 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:33:57,946 INFO  L93              Difference]: Finished difference Result 8911 states and 13409 transitions.
[2024-11-24 01:33:57,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:33:57,949 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169
[2024-11-24 01:33:57,951 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:33:58,004 INFO  L225             Difference]: With dead ends: 8911
[2024-11-24 01:33:58,005 INFO  L226             Difference]: Without dead ends: 4542
[2024-11-24 01:33:58,022 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
[2024-11-24 01:33:58,026 INFO  L435           NwaCegarLoop]: 6828 mSDtfsCounter, 0 mSDsluCounter, 13650 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20478 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:33:58,027 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20478 Invalid, 11 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:33:58,067 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4542 states.
[2024-11-24 01:33:58,229 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4542 to 4542.
[2024-11-24 01:33:58,241 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4542 states, 4541 states have (on average 1.504514424135653) internal successors, (6832), 4541 states have internal predecessors, (6832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:33:58,270 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4542 states to 4542 states and 6832 transitions.
[2024-11-24 01:33:58,272 INFO  L78                 Accepts]: Start accepts. Automaton has 4542 states and 6832 transitions. Word has length 169
[2024-11-24 01:33:58,273 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:33:58,273 INFO  L471      AbstractCegarLoop]: Abstraction has 4542 states and 6832 transitions.
[2024-11-24 01:33:58,273 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:33:58,274 INFO  L276                IsEmpty]: Start isEmpty. Operand 4542 states and 6832 transitions.
[2024-11-24 01:33:58,283 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2024-11-24 01:33:58,283 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:33:58,284 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]
[2024-11-24 01:33:58,284 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 01:33:58,284 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:33:58,285 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:58,285 INFO  L85        PathProgramCache]: Analyzing trace with hash 1854385647, now seen corresponding path program 1 times
[2024-11-24 01:33:58,285 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:33:58,285 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138377408]
[2024-11-24 01:33:58,286 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:33:58,286 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:33:58,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:33:58,954 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:33:58,955 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:33:58,955 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138377408]
[2024-11-24 01:33:58,955 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138377408] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:33:58,956 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:33:58,956 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:33:58,956 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039561476]
[2024-11-24 01:33:58,956 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:33:58,958 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:33:58,960 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:33:58,961 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:33:58,961 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:33:58,962 INFO  L87              Difference]: Start difference. First operand 4542 states and 6832 transitions. Second operand  has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:33:59,206 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:33:59,207 INFO  L93              Difference]: Finished difference Result 8912 states and 13407 transitions.
[2024-11-24 01:33:59,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:33:59,208 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 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 170
[2024-11-24 01:33:59,210 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:33:59,232 INFO  L225             Difference]: With dead ends: 8912
[2024-11-24 01:33:59,232 INFO  L226             Difference]: Without dead ends: 4544
[2024-11-24 01:33:59,238 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
[2024-11-24 01:33:59,240 INFO  L435           NwaCegarLoop]: 6828 mSDtfsCounter, 0 mSDsluCounter, 13646 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20474 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:33:59,242 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20474 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:33:59,253 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4544 states.
[2024-11-24 01:33:59,344 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4544 to 4544.
[2024-11-24 01:33:59,353 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4544 states, 4543 states have (on average 1.5042923178516399) internal successors, (6834), 4543 states have internal predecessors, (6834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:33:59,378 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4544 states to 4544 states and 6834 transitions.
[2024-11-24 01:33:59,378 INFO  L78                 Accepts]: Start accepts. Automaton has 4544 states and 6834 transitions. Word has length 170
[2024-11-24 01:33:59,382 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:33:59,382 INFO  L471      AbstractCegarLoop]: Abstraction has 4544 states and 6834 transitions.
[2024-11-24 01:33:59,382 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:33:59,383 INFO  L276                IsEmpty]: Start isEmpty. Operand 4544 states and 6834 transitions.
[2024-11-24 01:33:59,385 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2024-11-24 01:33:59,386 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:33:59,386 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]
[2024-11-24 01:33:59,386 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 01:33:59,386 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:33:59,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:59,390 INFO  L85        PathProgramCache]: Analyzing trace with hash 553415333, now seen corresponding path program 1 times
[2024-11-24 01:33:59,390 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:33:59,391 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439665258]
[2024-11-24 01:33:59,391 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:33:59,391 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:33:59,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:00,243 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:34:00,244 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:34:00,244 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439665258]
[2024-11-24 01:34:00,244 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439665258] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:34:00,244 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:34:00,244 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:34:00,245 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732571325]
[2024-11-24 01:34:00,245 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:34:00,245 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:34:00,246 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:34:00,247 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:34:00,247 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:34:00,247 INFO  L87              Difference]: Start difference. First operand 4544 states and 6834 transitions. Second operand  has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:00,673 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:34:00,674 INFO  L93              Difference]: Finished difference Result 12578 states and 18925 transitions.
[2024-11-24 01:34:00,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:34:00,675 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 0 states have call successors, (0), 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 171
[2024-11-24 01:34:00,677 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:34:00,711 INFO  L225             Difference]: With dead ends: 12578
[2024-11-24 01:34:00,712 INFO  L226             Difference]: Without dead ends: 8208
[2024-11-24 01:34:00,719 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
[2024-11-24 01:34:00,721 INFO  L435           NwaCegarLoop]: 6824 mSDtfsCounter, 5619 mSDsluCounter, 20207 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5619 SdHoareTripleChecker+Valid, 27031 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:34:00,722 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5619 Valid, 27031 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:34:00,740 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8208 states.
[2024-11-24 01:34:00,874 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8208 to 4694.
[2024-11-24 01:34:00,884 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4694 states, 4693 states have (on average 1.5039420413381632) internal successors, (7058), 4693 states have internal predecessors, (7058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:00,915 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4694 states and 7058 transitions.
[2024-11-24 01:34:00,916 INFO  L78                 Accepts]: Start accepts. Automaton has 4694 states and 7058 transitions. Word has length 171
[2024-11-24 01:34:00,920 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:34:00,920 INFO  L471      AbstractCegarLoop]: Abstraction has 4694 states and 7058 transitions.
[2024-11-24 01:34:00,921 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:00,921 INFO  L276                IsEmpty]: Start isEmpty. Operand 4694 states and 7058 transitions.
[2024-11-24 01:34:01,114 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2269
[2024-11-24 01:34:01,115 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:34:01,116 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:01,117 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 01:34:01,117 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:34:01,119 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:01,121 INFO  L85        PathProgramCache]: Analyzing trace with hash -330802683, now seen corresponding path program 1 times
[2024-11-24 01:34:01,121 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:34:01,121 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620528625]
[2024-11-24 01:34:01,122 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:01,122 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:06,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:16,793 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:34:16,794 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:34:16,794 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620528625]
[2024-11-24 01:34:16,794 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620528625] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:34:16,794 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:34:16,795 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:34:16,795 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646436232]
[2024-11-24 01:34:16,795 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:34:16,799 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:34:16,800 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:34:16,806 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:34:16,806 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:34:16,808 INFO  L87              Difference]: Start difference. First operand 4694 states and 7058 transitions. Second operand  has 4 states, 4 states have (on average 567.0) internal successors, (2268), 4 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:17,263 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:34:17,264 INFO  L93              Difference]: Finished difference Result 9064 states and 13632 transitions.
[2024-11-24 01:34:17,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:34:17,270 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 567.0) internal successors, (2268), 4 states have internal predecessors, (2268), 0 states have call successors, (0), 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 2268
[2024-11-24 01:34:17,274 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:34:17,293 INFO  L225             Difference]: With dead ends: 9064
[2024-11-24 01:34:17,294 INFO  L226             Difference]: Without dead ends: 4694
[2024-11-24 01:34:17,298 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:34:17,300 INFO  L435           NwaCegarLoop]: 6821 mSDtfsCounter, 6664 mSDsluCounter, 6819 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6664 SdHoareTripleChecker+Valid, 13640 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:34:17,302 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6664 Valid, 13640 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:34:17,312 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4694 states.
[2024-11-24 01:34:17,401 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4694 to 4694.
[2024-11-24 01:34:17,410 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4694 states, 4693 states have (on average 1.5037289580225868) internal successors, (7057), 4693 states have internal predecessors, (7057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:17,434 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4694 states and 7057 transitions.
[2024-11-24 01:34:17,434 INFO  L78                 Accepts]: Start accepts. Automaton has 4694 states and 7057 transitions. Word has length 2268
[2024-11-24 01:34:17,437 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:34:17,437 INFO  L471      AbstractCegarLoop]: Abstraction has 4694 states and 7057 transitions.
[2024-11-24 01:34:17,438 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 567.0) internal successors, (2268), 4 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:17,438 INFO  L276                IsEmpty]: Start isEmpty. Operand 4694 states and 7057 transitions.
[2024-11-24 01:34:17,488 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2270
[2024-11-24 01:34:17,489 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:34:17,490 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:17,490 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 01:34:17,491 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:34:17,493 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:17,494 INFO  L85        PathProgramCache]: Analyzing trace with hash 2064220611, now seen corresponding path program 1 times
[2024-11-24 01:34:17,494 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:34:17,495 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171235369]
[2024-11-24 01:34:17,495 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:17,496 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:20,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:25,662 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:34:25,663 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:34:25,663 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171235369]
[2024-11-24 01:34:25,663 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171235369] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:34:25,663 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:34:25,663 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:34:25,663 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974348751]
[2024-11-24 01:34:25,664 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:34:25,667 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:34:25,667 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:34:25,671 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:34:25,671 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:34:25,672 INFO  L87              Difference]: Start difference. First operand 4694 states and 7057 transitions. Second operand  has 3 states, 3 states have (on average 756.3333333333334) internal successors, (2269), 3 states have internal predecessors, (2269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:25,835 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:34:25,835 INFO  L93              Difference]: Finished difference Result 9065 states and 13632 transitions.
[2024-11-24 01:34:25,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:34:25,837 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 756.3333333333334) internal successors, (2269), 3 states have internal predecessors, (2269), 0 states have call successors, (0), 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 2269
[2024-11-24 01:34:25,838 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:34:25,856 INFO  L225             Difference]: With dead ends: 9065
[2024-11-24 01:34:25,857 INFO  L226             Difference]: Without dead ends: 4695
[2024-11-24 01:34:25,862 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:34:25,863 INFO  L435           NwaCegarLoop]: 6828 mSDtfsCounter, 0 mSDsluCounter, 6822 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13650 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:34:25,863 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13650 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:34:25,873 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4695 states.
[2024-11-24 01:34:25,960 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4695.
[2024-11-24 01:34:25,968 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4695 states, 4694 states have (on average 1.5036216446527482) internal successors, (7058), 4694 states have internal predecessors, (7058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:25,988 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 7058 transitions.
[2024-11-24 01:34:25,988 INFO  L78                 Accepts]: Start accepts. Automaton has 4695 states and 7058 transitions. Word has length 2269
[2024-11-24 01:34:25,989 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:34:25,989 INFO  L471      AbstractCegarLoop]: Abstraction has 4695 states and 7058 transitions.
[2024-11-24 01:34:25,990 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 756.3333333333334) internal successors, (2269), 3 states have internal predecessors, (2269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:25,990 INFO  L276                IsEmpty]: Start isEmpty. Operand 4695 states and 7058 transitions.
[2024-11-24 01:34:26,038 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2270
[2024-11-24 01:34:26,039 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:34:26,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:26,040 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 01:34:26,041 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:34:26,042 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:26,043 INFO  L85        PathProgramCache]: Analyzing trace with hash -668872076, now seen corresponding path program 1 times
[2024-11-24 01:34:26,043 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:34:26,044 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741287906]
[2024-11-24 01:34:26,044 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:26,045 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:29,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:32,918 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:34:32,919 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:34:32,919 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741287906]
[2024-11-24 01:34:32,919 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741287906] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:34:32,919 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:34:32,920 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:34:32,920 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357777150]
[2024-11-24 01:34:32,920 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:34:32,923 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:34:32,924 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:34:32,927 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:34:32,928 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:34:32,929 INFO  L87              Difference]: Start difference. First operand 4695 states and 7058 transitions. Second operand  has 3 states, 3 states have (on average 756.3333333333334) internal successors, (2269), 3 states have internal predecessors, (2269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:33,066 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:34:33,069 INFO  L93              Difference]: Finished difference Result 9067 states and 13634 transitions.
[2024-11-24 01:34:33,069 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:34:33,070 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 756.3333333333334) internal successors, (2269), 3 states have internal predecessors, (2269), 0 states have call successors, (0), 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 2269
[2024-11-24 01:34:33,071 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:34:33,099 INFO  L225             Difference]: With dead ends: 9067
[2024-11-24 01:34:33,100 INFO  L226             Difference]: Without dead ends: 4696
[2024-11-24 01:34:33,107 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:34:33,109 INFO  L435           NwaCegarLoop]: 6828 mSDtfsCounter, 0 mSDsluCounter, 6822 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13650 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:34:33,109 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13650 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:34:33,122 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4696 states.
[2024-11-24 01:34:33,209 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4696 to 4696.
[2024-11-24 01:34:33,216 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4696 states, 4695 states have (on average 1.5035143769968051) internal successors, (7059), 4695 states have internal predecessors, (7059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:33,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 7059 transitions.
[2024-11-24 01:34:33,227 INFO  L78                 Accepts]: Start accepts. Automaton has 4696 states and 7059 transitions. Word has length 2269
[2024-11-24 01:34:33,228 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:34:33,228 INFO  L471      AbstractCegarLoop]: Abstraction has 4696 states and 7059 transitions.
[2024-11-24 01:34:33,229 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 756.3333333333334) internal successors, (2269), 3 states have internal predecessors, (2269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:33,229 INFO  L276                IsEmpty]: Start isEmpty. Operand 4696 states and 7059 transitions.
[2024-11-24 01:34:33,278 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2270
[2024-11-24 01:34:33,278 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:34:33,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:33,280 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 01:34:33,280 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:34:33,281 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:33,283 INFO  L85        PathProgramCache]: Analyzing trace with hash 544525285, now seen corresponding path program 1 times
[2024-11-24 01:34:33,283 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:34:33,283 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306790127]
[2024-11-24 01:34:33,284 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:33,284 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:36,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:39,761 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:34:39,762 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:34:39,762 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306790127]
[2024-11-24 01:34:39,762 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306790127] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:34:39,762 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:34:39,763 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:34:39,763 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193890320]
[2024-11-24 01:34:39,763 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:34:39,765 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:34:39,766 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:34:39,768 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:34:39,768 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:34:39,769 INFO  L87              Difference]: Start difference. First operand 4696 states and 7059 transitions. Second operand  has 4 states, 4 states have (on average 567.25) internal successors, (2269), 4 states have internal predecessors, (2269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:39,894 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:34:39,895 INFO  L93              Difference]: Finished difference Result 9068 states and 13634 transitions.
[2024-11-24 01:34:39,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:34:39,896 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 567.25) internal successors, (2269), 4 states have internal predecessors, (2269), 0 states have call successors, (0), 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 2269
[2024-11-24 01:34:39,897 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:34:39,909 INFO  L225             Difference]: With dead ends: 9068
[2024-11-24 01:34:39,909 INFO  L226             Difference]: Without dead ends: 4696
[2024-11-24 01:34:39,914 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:34:39,915 INFO  L435           NwaCegarLoop]: 6820 mSDtfsCounter, 6396 mSDsluCounter, 6818 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6396 SdHoareTripleChecker+Valid, 13638 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
[2024-11-24 01:34:39,915 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6396 Valid, 13638 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:34:39,923 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4696 states.
[2024-11-24 01:34:39,997 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4696 to 4696.
[2024-11-24 01:34:40,005 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4696 states, 4695 states have (on average 1.5033013844515442) internal successors, (7058), 4695 states have internal predecessors, (7058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:40,014 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 7058 transitions.
[2024-11-24 01:34:40,015 INFO  L78                 Accepts]: Start accepts. Automaton has 4696 states and 7058 transitions. Word has length 2269
[2024-11-24 01:34:40,016 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:34:40,016 INFO  L471      AbstractCegarLoop]: Abstraction has 4696 states and 7058 transitions.
[2024-11-24 01:34:40,017 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 567.25) internal successors, (2269), 4 states have internal predecessors, (2269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:40,017 INFO  L276                IsEmpty]: Start isEmpty. Operand 4696 states and 7058 transitions.
[2024-11-24 01:34:40,064 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2271
[2024-11-24 01:34:40,064 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:34:40,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:40,066 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 01:34:40,066 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:34:40,067 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:40,069 INFO  L85        PathProgramCache]: Analyzing trace with hash 1925133027, now seen corresponding path program 1 times
[2024-11-24 01:34:40,069 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:34:40,069 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109374741]
[2024-11-24 01:34:40,070 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:40,070 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:43,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:48,205 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2024-11-24 01:34:48,206 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:34:48,206 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109374741]
[2024-11-24 01:34:48,206 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109374741] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:34:48,206 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:34:48,207 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:34:48,207 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933100166]
[2024-11-24 01:34:48,207 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:34:48,209 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:34:48,209 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:34:48,211 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:34:48,212 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:34:48,213 INFO  L87              Difference]: Start difference. First operand 4696 states and 7058 transitions. Second operand  has 5 states, 5 states have (on average 439.4) internal successors, (2197), 5 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:48,401 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:34:48,401 INFO  L93              Difference]: Finished difference Result 9072 states and 13637 transitions.
[2024-11-24 01:34:48,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:34:48,403 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 439.4) internal successors, (2197), 5 states have internal predecessors, (2197), 0 states have call successors, (0), 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 2270
[2024-11-24 01:34:48,409 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:34:48,420 INFO  L225             Difference]: With dead ends: 9072
[2024-11-24 01:34:48,420 INFO  L226             Difference]: Without dead ends: 4700
[2024-11-24 01:34:48,425 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
[2024-11-24 01:34:48,426 INFO  L435           NwaCegarLoop]: 6826 mSDtfsCounter, 0 mSDsluCounter, 20450 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27276 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:34:48,426 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27276 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:34:48,434 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4700 states.
[2024-11-24 01:34:48,500 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4696.
[2024-11-24 01:34:48,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4696 states, 4695 states have (on average 1.5033013844515442) internal successors, (7058), 4695 states have internal predecessors, (7058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:48,518 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 7058 transitions.
[2024-11-24 01:34:48,518 INFO  L78                 Accepts]: Start accepts. Automaton has 4696 states and 7058 transitions. Word has length 2270
[2024-11-24 01:34:48,523 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:34:48,524 INFO  L471      AbstractCegarLoop]: Abstraction has 4696 states and 7058 transitions.
[2024-11-24 01:34:48,525 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 439.4) internal successors, (2197), 5 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:48,525 INFO  L276                IsEmpty]: Start isEmpty. Operand 4696 states and 7058 transitions.
[2024-11-24 01:34:48,574 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2272
[2024-11-24 01:34:48,574 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:34:48,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:48,576 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 01:34:48,576 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:34:48,577 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:48,579 INFO  L85        PathProgramCache]: Analyzing trace with hash 458469560, now seen corresponding path program 1 times
[2024-11-24 01:34:48,579 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:34:48,579 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356156324]
[2024-11-24 01:34:48,580 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:48,580 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:51,764 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:57,952 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:34:57,953 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:34:57,953 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356156324]
[2024-11-24 01:34:57,953 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356156324] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:34:57,953 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:34:57,953 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:34:57,954 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389841140]
[2024-11-24 01:34:57,954 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:34:57,956 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:34:57,958 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:34:57,961 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:34:57,961 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:34:57,962 INFO  L87              Difference]: Start difference. First operand 4696 states and 7058 transitions. Second operand  has 4 states, 4 states have (on average 567.75) internal successors, (2271), 4 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:59,057 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:34:59,057 INFO  L93              Difference]: Finished difference Result 9070 states and 13634 transitions.
[2024-11-24 01:34:59,058 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:34:59,059 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 567.75) internal successors, (2271), 4 states have internal predecessors, (2271), 0 states have call successors, (0), 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 2271
[2024-11-24 01:34:59,059 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:34:59,071 INFO  L225             Difference]: With dead ends: 9070
[2024-11-24 01:34:59,071 INFO  L226             Difference]: Without dead ends: 4696
[2024-11-24 01:34:59,076 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:34:59,077 INFO  L435           NwaCegarLoop]: 6531 mSDtfsCounter, 6643 mSDsluCounter, 6527 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6643 SdHoareTripleChecker+Valid, 13058 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:34:59,077 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6643 Valid, 13058 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-24 01:34:59,085 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4696 states.
[2024-11-24 01:34:59,149 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4696 to 4696.
[2024-11-24 01:34:59,156 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4696 states, 4695 states have (on average 1.5030883919062832) internal successors, (7057), 4695 states have internal predecessors, (7057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:59,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 7057 transitions.
[2024-11-24 01:34:59,165 INFO  L78                 Accepts]: Start accepts. Automaton has 4696 states and 7057 transitions. Word has length 2271
[2024-11-24 01:34:59,166 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:34:59,166 INFO  L471      AbstractCegarLoop]: Abstraction has 4696 states and 7057 transitions.
[2024-11-24 01:34:59,167 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 567.75) internal successors, (2271), 4 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:59,167 INFO  L276                IsEmpty]: Start isEmpty. Operand 4696 states and 7057 transitions.
[2024-11-24 01:34:59,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2273
[2024-11-24 01:34:59,215 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:34:59,217 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:59,217 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-24 01:34:59,218 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:34:59,220 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:59,222 INFO  L85        PathProgramCache]: Analyzing trace with hash -166310211, now seen corresponding path program 1 times
[2024-11-24 01:34:59,222 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:34:59,222 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421598183]
[2024-11-24 01:34:59,223 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:59,223 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:35:02,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:35:06,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:35:06,714 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:35:06,715 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421598183]
[2024-11-24 01:35:06,715 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421598183] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:35:06,715 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:35:06,715 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:35:06,716 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799488121]
[2024-11-24 01:35:06,716 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:35:06,718 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:35:06,718 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:35:06,720 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:35:06,721 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:35:06,722 INFO  L87              Difference]: Start difference. First operand 4696 states and 7057 transitions. Second operand  has 4 states, 4 states have (on average 568.0) internal successors, (2272), 4 states have internal predecessors, (2272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:08,447 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:35:08,447 INFO  L93              Difference]: Finished difference Result 9025 states and 13587 transitions.
[2024-11-24 01:35:08,447 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:35:08,448 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 568.0) internal successors, (2272), 4 states have internal predecessors, (2272), 0 states have call successors, (0), 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 2272
[2024-11-24 01:35:08,449 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:35:08,460 INFO  L225             Difference]: With dead ends: 9025
[2024-11-24 01:35:08,460 INFO  L226             Difference]: Without dead ends: 4651
[2024-11-24 01:35:08,464 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:35:08,466 INFO  L435           NwaCegarLoop]: 6258 mSDtfsCounter, 6537 mSDsluCounter, 6253 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6537 SdHoareTripleChecker+Valid, 12511 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-24 01:35:08,469 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6537 Valid, 12511 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-24 01:35:08,477 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4651 states.
[2024-11-24 01:35:08,533 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4651 to 4651.
[2024-11-24 01:35:08,541 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4651 states, 4650 states have (on average 1.4978494623655914) internal successors, (6965), 4650 states have internal predecessors, (6965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:08,549 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4651 states to 4651 states and 6965 transitions.
[2024-11-24 01:35:08,549 INFO  L78                 Accepts]: Start accepts. Automaton has 4651 states and 6965 transitions. Word has length 2272
[2024-11-24 01:35:08,550 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:35:08,550 INFO  L471      AbstractCegarLoop]: Abstraction has 4651 states and 6965 transitions.
[2024-11-24 01:35:08,551 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 568.0) internal successors, (2272), 4 states have internal predecessors, (2272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:08,551 INFO  L276                IsEmpty]: Start isEmpty. Operand 4651 states and 6965 transitions.
[2024-11-24 01:35:08,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2274
[2024-11-24 01:35:08,601 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:35:08,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:35:08,603 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-24 01:35:08,603 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:35:08,605 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:35:08,606 INFO  L85        PathProgramCache]: Analyzing trace with hash 97140192, now seen corresponding path program 1 times
[2024-11-24 01:35:08,606 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:35:08,606 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522445483]
[2024-11-24 01:35:08,607 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:35:08,607 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:35:12,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:35:15,331 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:35:15,331 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:35:15,332 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522445483]
[2024-11-24 01:35:15,332 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522445483] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:35:15,332 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:35:15,332 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:35:15,333 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6123673]
[2024-11-24 01:35:15,333 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:35:15,336 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:35:15,337 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:35:15,340 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:35:15,340 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:35:15,341 INFO  L87              Difference]: Start difference. First operand 4651 states and 6965 transitions. Second operand  has 5 states, 5 states have (on average 454.6) internal successors, (2273), 5 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:15,605 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:35:15,606 INFO  L93              Difference]: Finished difference Result 8981 states and 13450 transitions.
[2024-11-24 01:35:15,606 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:35:15,607 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 454.6) internal successors, (2273), 5 states have internal predecessors, (2273), 0 states have call successors, (0), 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 2273
[2024-11-24 01:35:15,608 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:35:15,622 INFO  L225             Difference]: With dead ends: 8981
[2024-11-24 01:35:15,622 INFO  L226             Difference]: Without dead ends: 4652
[2024-11-24 01:35:15,627 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:35:15,628 INFO  L435           NwaCegarLoop]: 6706 mSDtfsCounter, 6551 mSDsluCounter, 13408 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6551 SdHoareTripleChecker+Valid, 20114 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:35:15,628 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6551 Valid, 20114 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:35:15,638 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4652 states.
[2024-11-24 01:35:15,716 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4652 to 4652.
[2024-11-24 01:35:15,723 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4652 states, 4651 states have (on average 1.4977424209847345) internal successors, (6966), 4651 states have internal predecessors, (6966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:15,735 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 6966 transitions.
[2024-11-24 01:35:15,736 INFO  L78                 Accepts]: Start accepts. Automaton has 4652 states and 6966 transitions. Word has length 2273
[2024-11-24 01:35:15,736 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:35:15,737 INFO  L471      AbstractCegarLoop]: Abstraction has 4652 states and 6966 transitions.
[2024-11-24 01:35:15,737 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 454.6) internal successors, (2273), 5 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:15,738 INFO  L276                IsEmpty]: Start isEmpty. Operand 4652 states and 6966 transitions.
[2024-11-24 01:35:15,857 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2274
[2024-11-24 01:35:15,858 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:35:15,859 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:35:15,860 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 01:35:15,860 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:35:15,861 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:35:15,863 INFO  L85        PathProgramCache]: Analyzing trace with hash 989491744, now seen corresponding path program 1 times
[2024-11-24 01:35:15,863 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:35:15,863 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329161040]
[2024-11-24 01:35:15,865 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:35:15,866 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:35:18,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:35:20,976 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:35:20,977 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:35:20,977 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329161040]
[2024-11-24 01:35:20,977 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329161040] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:35:20,977 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:35:20,977 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:35:20,978 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348128220]
[2024-11-24 01:35:20,978 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:35:20,980 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:35:20,980 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:35:20,982 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:35:20,982 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:35:20,983 INFO  L87              Difference]: Start difference. First operand 4652 states and 6966 transitions. Second operand  has 5 states, 5 states have (on average 454.6) internal successors, (2273), 5 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:21,705 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:35:21,705 INFO  L93              Difference]: Finished difference Result 8982 states and 13450 transitions.
[2024-11-24 01:35:21,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:35:21,707 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 454.6) internal successors, (2273), 5 states have internal predecessors, (2273), 0 states have call successors, (0), 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 2273
[2024-11-24 01:35:21,707 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:35:21,718 INFO  L225             Difference]: With dead ends: 8982
[2024-11-24 01:35:21,718 INFO  L226             Difference]: Without dead ends: 4652
[2024-11-24 01:35:21,722 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
[2024-11-24 01:35:21,723 INFO  L435           NwaCegarLoop]: 6450 mSDtfsCounter, 6730 mSDsluCounter, 6448 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6730 SdHoareTripleChecker+Valid, 12898 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-24 01:35:21,723 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6730 Valid, 12898 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-24 01:35:21,730 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4652 states.
[2024-11-24 01:35:21,781 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4652 to 4652.
[2024-11-24 01:35:21,788 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4652 states, 4651 states have (on average 1.4975274134594712) internal successors, (6965), 4651 states have internal predecessors, (6965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:21,796 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 6965 transitions.
[2024-11-24 01:35:21,797 INFO  L78                 Accepts]: Start accepts. Automaton has 4652 states and 6965 transitions. Word has length 2273
[2024-11-24 01:35:21,797 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:35:21,797 INFO  L471      AbstractCegarLoop]: Abstraction has 4652 states and 6965 transitions.
[2024-11-24 01:35:21,798 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 454.6) internal successors, (2273), 5 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:21,798 INFO  L276                IsEmpty]: Start isEmpty. Operand 4652 states and 6965 transitions.
[2024-11-24 01:35:21,860 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2275
[2024-11-24 01:35:21,860 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:35:21,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:35:21,862 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-24 01:35:21,862 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:35:21,863 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:35:21,865 INFO  L85        PathProgramCache]: Analyzing trace with hash 1351302261, now seen corresponding path program 1 times
[2024-11-24 01:35:21,865 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:35:21,865 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726583949]
[2024-11-24 01:35:21,865 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:35:21,865 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:35:24,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:35:27,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:35:27,505 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:35:27,505 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726583949]
[2024-11-24 01:35:27,505 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726583949] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:35:27,505 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:35:27,506 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:35:27,506 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448770285]
[2024-11-24 01:35:27,506 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:35:27,509 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:35:27,509 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:35:27,513 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:35:27,513 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:35:27,514 INFO  L87              Difference]: Start difference. First operand 4652 states and 6965 transitions. Second operand  has 4 states, 4 states have (on average 568.5) internal successors, (2274), 4 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:28,824 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:35:28,824 INFO  L93              Difference]: Finished difference Result 8982 states and 13448 transitions.
[2024-11-24 01:35:28,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:35:28,826 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 568.5) internal successors, (2274), 4 states have internal predecessors, (2274), 0 states have call successors, (0), 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 2274
[2024-11-24 01:35:28,826 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:35:28,834 INFO  L225             Difference]: With dead ends: 8982
[2024-11-24 01:35:28,834 INFO  L226             Difference]: Without dead ends: 4652
[2024-11-24 01:35:28,838 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:35:28,839 INFO  L435           NwaCegarLoop]: 6257 mSDtfsCounter, 6522 mSDsluCounter, 6252 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6522 SdHoareTripleChecker+Valid, 12509 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-24 01:35:28,840 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6522 Valid, 12509 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-24 01:35:28,846 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4652 states.
[2024-11-24 01:35:28,896 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4652 to 4652.
[2024-11-24 01:35:28,903 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4652 states, 4651 states have (on average 1.4970973984089444) internal successors, (6963), 4651 states have internal predecessors, (6963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:28,910 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 6963 transitions.
[2024-11-24 01:35:28,911 INFO  L78                 Accepts]: Start accepts. Automaton has 4652 states and 6963 transitions. Word has length 2274
[2024-11-24 01:35:28,911 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:35:28,911 INFO  L471      AbstractCegarLoop]: Abstraction has 4652 states and 6963 transitions.
[2024-11-24 01:35:28,912 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 568.5) internal successors, (2274), 4 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:28,912 INFO  L276                IsEmpty]: Start isEmpty. Operand 4652 states and 6963 transitions.
[2024-11-24 01:35:28,957 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2276
[2024-11-24 01:35:28,957 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:35:28,958 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:35:28,958 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-24 01:35:28,959 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:35:28,960 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:35:28,961 INFO  L85        PathProgramCache]: Analyzing trace with hash 309007176, now seen corresponding path program 1 times
[2024-11-24 01:35:28,961 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:35:28,961 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590321285]
[2024-11-24 01:35:28,961 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:35:28,962 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:35:32,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:35:35,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:35:35,150 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:35:35,150 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590321285]
[2024-11-24 01:35:35,150 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590321285] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:35:35,150 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:35:35,150 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:35:35,150 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138433090]
[2024-11-24 01:35:35,150 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:35:35,152 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:35:35,152 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:35:35,153 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:35:35,153 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:35:35,154 INFO  L87              Difference]: Start difference. First operand 4652 states and 6963 transitions. Second operand  has 5 states, 5 states have (on average 455.0) internal successors, (2275), 5 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:35,298 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:35:35,298 INFO  L93              Difference]: Finished difference Result 8983 states and 13446 transitions.
[2024-11-24 01:35:35,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:35:35,299 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 455.0) internal successors, (2275), 5 states have internal predecessors, (2275), 0 states have call successors, (0), 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 2275
[2024-11-24 01:35:35,300 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:35:35,306 INFO  L225             Difference]: With dead ends: 8983
[2024-11-24 01:35:35,307 INFO  L226             Difference]: Without dead ends: 4653
[2024-11-24 01:35:35,312 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
[2024-11-24 01:35:35,313 INFO  L435           NwaCegarLoop]: 6713 mSDtfsCounter, 6536 mSDsluCounter, 13421 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6536 SdHoareTripleChecker+Valid, 20134 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:35:35,313 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6536 Valid, 20134 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:35:35,323 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4653 states.
[2024-11-24 01:35:35,384 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 4653.
[2024-11-24 01:35:35,390 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4653 states, 4652 states have (on average 1.4969905417024936) internal successors, (6964), 4652 states have internal predecessors, (6964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:35,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4653 states to 4653 states and 6964 transitions.
[2024-11-24 01:35:35,399 INFO  L78                 Accepts]: Start accepts. Automaton has 4653 states and 6964 transitions. Word has length 2275
[2024-11-24 01:35:35,399 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:35:35,400 INFO  L471      AbstractCegarLoop]: Abstraction has 4653 states and 6964 transitions.
[2024-11-24 01:35:35,401 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 455.0) internal successors, (2275), 5 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:35,401 INFO  L276                IsEmpty]: Start isEmpty. Operand 4653 states and 6964 transitions.
[2024-11-24 01:35:35,446 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2276
[2024-11-24 01:35:35,446 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:35:35,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:35:35,448 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-24 01:35:35,448 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:35:35,450 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:35:35,451 INFO  L85        PathProgramCache]: Analyzing trace with hash -1874618488, now seen corresponding path program 1 times
[2024-11-24 01:35:35,451 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:35:35,451 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055226429]
[2024-11-24 01:35:35,452 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:35:35,452 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:35:37,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:35:40,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:35:40,756 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:35:40,756 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055226429]
[2024-11-24 01:35:40,756 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055226429] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:35:40,756 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:35:40,756 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:35:40,756 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140544999]
[2024-11-24 01:35:40,756 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:35:40,759 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:35:40,759 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:35:40,760 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:35:40,760 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:35:40,761 INFO  L87              Difference]: Start difference. First operand 4653 states and 6964 transitions. Second operand  has 5 states, 5 states have (on average 455.0) internal successors, (2275), 5 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:41,561 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:35:41,562 INFO  L93              Difference]: Finished difference Result 8984 states and 13446 transitions.
[2024-11-24 01:35:41,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:35:41,563 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 455.0) internal successors, (2275), 5 states have internal predecessors, (2275), 0 states have call successors, (0), 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 2275
[2024-11-24 01:35:41,563 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:35:41,570 INFO  L225             Difference]: With dead ends: 8984
[2024-11-24 01:35:41,570 INFO  L226             Difference]: Without dead ends: 4653
[2024-11-24 01:35:41,574 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
[2024-11-24 01:35:41,575 INFO  L435           NwaCegarLoop]: 6438 mSDtfsCounter, 13228 mSDsluCounter, 6435 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13228 SdHoareTripleChecker+Valid, 12873 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-24 01:35:41,576 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13228 Valid, 12873 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-24 01:35:41,583 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4653 states.
[2024-11-24 01:35:41,634 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 4653.
[2024-11-24 01:35:41,640 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4653 states, 4652 states have (on average 1.4967755803955287) internal successors, (6963), 4652 states have internal predecessors, (6963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:41,647 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4653 states to 4653 states and 6963 transitions.
[2024-11-24 01:35:41,648 INFO  L78                 Accepts]: Start accepts. Automaton has 4653 states and 6963 transitions. Word has length 2275
[2024-11-24 01:35:41,648 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:35:41,648 INFO  L471      AbstractCegarLoop]: Abstraction has 4653 states and 6963 transitions.
[2024-11-24 01:35:41,649 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 455.0) internal successors, (2275), 5 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:41,649 INFO  L276                IsEmpty]: Start isEmpty. Operand 4653 states and 6963 transitions.
[2024-11-24 01:35:41,694 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2277
[2024-11-24 01:35:41,694 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:35:41,695 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:35:41,696 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-24 01:35:41,696 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:35:41,697 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:35:41,698 INFO  L85        PathProgramCache]: Analyzing trace with hash 564162093, now seen corresponding path program 1 times
[2024-11-24 01:35:41,698 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:35:41,698 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392156817]
[2024-11-24 01:35:41,699 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:35:41,699 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:35:44,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:35:47,131 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:35:47,131 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:35:47,132 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392156817]
[2024-11-24 01:35:47,134 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392156817] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:35:47,134 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:35:47,134 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:35:47,135 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190021112]
[2024-11-24 01:35:47,135 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:35:47,137 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:35:47,137 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:35:47,139 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:35:47,140 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:35:47,140 INFO  L87              Difference]: Start difference. First operand 4653 states and 6963 transitions. Second operand  has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:48,327 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:35:48,327 INFO  L93              Difference]: Finished difference Result 8984 states and 13444 transitions.
[2024-11-24 01:35:48,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:35:48,328 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 0 states have call successors, (0), 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 2276
[2024-11-24 01:35:48,329 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:35:48,332 INFO  L225             Difference]: With dead ends: 8984
[2024-11-24 01:35:48,332 INFO  L226             Difference]: Without dead ends: 4653
[2024-11-24 01:35:48,335 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:35:48,336 INFO  L435           NwaCegarLoop]: 6256 mSDtfsCounter, 6507 mSDsluCounter, 6251 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6507 SdHoareTripleChecker+Valid, 12507 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:35:48,336 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6507 Valid, 12507 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-24 01:35:48,342 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4653 states.
[2024-11-24 01:35:48,391 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 4653.
[2024-11-24 01:35:48,396 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4653 states, 4652 states have (on average 1.4963456577815992) internal successors, (6961), 4652 states have internal predecessors, (6961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:48,404 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4653 states to 4653 states and 6961 transitions.
[2024-11-24 01:35:48,404 INFO  L78                 Accepts]: Start accepts. Automaton has 4653 states and 6961 transitions. Word has length 2276
[2024-11-24 01:35:48,405 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:35:48,405 INFO  L471      AbstractCegarLoop]: Abstraction has 4653 states and 6961 transitions.
[2024-11-24 01:35:48,406 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:48,406 INFO  L276                IsEmpty]: Start isEmpty. Operand 4653 states and 6961 transitions.
[2024-11-24 01:35:48,449 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2278
[2024-11-24 01:35:48,450 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:35:48,451 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:35:48,451 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-24 01:35:48,452 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:35:48,453 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:35:48,454 INFO  L85        PathProgramCache]: Analyzing trace with hash -928068432, now seen corresponding path program 1 times
[2024-11-24 01:35:48,454 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:35:48,454 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567472626]
[2024-11-24 01:35:48,454 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:35:48,455 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:35:50,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:35:53,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:35:53,813 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:35:53,813 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567472626]
[2024-11-24 01:35:53,813 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567472626] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:35:53,813 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:35:53,814 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:35:53,814 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495589518]
[2024-11-24 01:35:53,814 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:35:53,815 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:35:53,815 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:35:53,817 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:35:53,817 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:35:53,817 INFO  L87              Difference]: Start difference. First operand 4653 states and 6961 transitions. Second operand  has 5 states, 5 states have (on average 455.4) internal successors, (2277), 5 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:54,006 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:35:54,006 INFO  L93              Difference]: Finished difference Result 8985 states and 13442 transitions.
[2024-11-24 01:35:54,006 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:35:54,007 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 455.4) internal successors, (2277), 5 states have internal predecessors, (2277), 0 states have call successors, (0), 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 2277
[2024-11-24 01:35:54,007 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:35:54,011 INFO  L225             Difference]: With dead ends: 8985
[2024-11-24 01:35:54,011 INFO  L226             Difference]: Without dead ends: 4654
[2024-11-24 01:35:54,013 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
[2024-11-24 01:35:54,014 INFO  L435           NwaCegarLoop]: 6700 mSDtfsCounter, 6521 mSDsluCounter, 13395 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6521 SdHoareTripleChecker+Valid, 20095 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:35:54,014 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6521 Valid, 20095 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:35:54,021 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4654 states.
[2024-11-24 01:35:54,066 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4654 to 4654.
[2024-11-24 01:35:54,072 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4654 states, 4653 states have (on average 1.4962389856006877) internal successors, (6962), 4653 states have internal predecessors, (6962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:54,079 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4654 states to 4654 states and 6962 transitions.
[2024-11-24 01:35:54,080 INFO  L78                 Accepts]: Start accepts. Automaton has 4654 states and 6962 transitions. Word has length 2277
[2024-11-24 01:35:54,080 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:35:54,080 INFO  L471      AbstractCegarLoop]: Abstraction has 4654 states and 6962 transitions.
[2024-11-24 01:35:54,081 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 455.4) internal successors, (2277), 5 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:35:54,081 INFO  L276                IsEmpty]: Start isEmpty. Operand 4654 states and 6962 transitions.
[2024-11-24 01:35:54,124 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2278
[2024-11-24 01:35:54,125 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:35:54,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:35:54,126 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-24 01:35:54,127 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:35:54,127 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:35:54,128 INFO  L85        PathProgramCache]: Analyzing trace with hash 1716756720, now seen corresponding path program 1 times
[2024-11-24 01:35:54,129 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:35:54,129 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092470878]
[2024-11-24 01:35:54,129 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:35:54,129 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:35:56,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:35:59,479 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:35:59,479 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:35:59,479 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092470878]
[2024-11-24 01:35:59,479 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092470878] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:35:59,479 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:35:59,480 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:35:59,480 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769901368]
[2024-11-24 01:35:59,480 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:35:59,482 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:35:59,482 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:35:59,484 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:35:59,484 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:35:59,485 INFO  L87              Difference]: Start difference. First operand 4654 states and 6962 transitions. Second operand  has 5 states, 5 states have (on average 455.4) internal successors, (2277), 5 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:00,185 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:36:00,185 INFO  L93              Difference]: Finished difference Result 8986 states and 13442 transitions.
[2024-11-24 01:36:00,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:36:00,186 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 455.4) internal successors, (2277), 5 states have internal predecessors, (2277), 0 states have call successors, (0), 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 2277
[2024-11-24 01:36:00,187 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:36:00,190 INFO  L225             Difference]: With dead ends: 8986
[2024-11-24 01:36:00,190 INFO  L226             Difference]: Without dead ends: 4654
[2024-11-24 01:36:00,193 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
[2024-11-24 01:36:00,193 INFO  L435           NwaCegarLoop]: 6436 mSDtfsCounter, 6684 mSDsluCounter, 6434 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6684 SdHoareTripleChecker+Valid, 12870 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-24 01:36:00,193 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6684 Valid, 12870 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-24 01:36:00,198 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4654 states.
[2024-11-24 01:36:00,228 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4654 to 4654.
[2024-11-24 01:36:00,232 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4654 states, 4653 states have (on average 1.4960240704921557) internal successors, (6961), 4653 states have internal predecessors, (6961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:00,237 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4654 states to 4654 states and 6961 transitions.
[2024-11-24 01:36:00,237 INFO  L78                 Accepts]: Start accepts. Automaton has 4654 states and 6961 transitions. Word has length 2277
[2024-11-24 01:36:00,237 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:36:00,237 INFO  L471      AbstractCegarLoop]: Abstraction has 4654 states and 6961 transitions.
[2024-11-24 01:36:00,238 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 455.4) internal successors, (2277), 5 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:00,238 INFO  L276                IsEmpty]: Start isEmpty. Operand 4654 states and 6961 transitions.
[2024-11-24 01:36:00,264 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2279
[2024-11-24 01:36:00,264 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:36:00,265 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:36:00,265 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-24 01:36:00,265 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:36:00,266 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:36:00,267 INFO  L85        PathProgramCache]: Analyzing trace with hash -335061512, now seen corresponding path program 1 times
[2024-11-24 01:36:00,268 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:36:00,268 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62813671]
[2024-11-24 01:36:00,268 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:36:00,269 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:36:02,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:36:05,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:36:05,363 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:36:05,363 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62813671]
[2024-11-24 01:36:05,363 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62813671] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:36:05,363 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:36:05,364 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:36:05,364 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535351119]
[2024-11-24 01:36:05,364 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:36:05,366 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:36:05,366 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:36:05,368 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:36:05,368 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:36:05,369 INFO  L87              Difference]: Start difference. First operand 4654 states and 6961 transitions. Second operand  has 4 states, 4 states have (on average 569.5) internal successors, (2278), 4 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:06,522 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:36:06,522 INFO  L93              Difference]: Finished difference Result 8986 states and 13440 transitions.
[2024-11-24 01:36:06,523 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:36:06,523 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 569.5) internal successors, (2278), 4 states have internal predecessors, (2278), 0 states have call successors, (0), 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 2278
[2024-11-24 01:36:06,524 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:36:06,527 INFO  L225             Difference]: With dead ends: 8986
[2024-11-24 01:36:06,527 INFO  L226             Difference]: Without dead ends: 4654
[2024-11-24 01:36:06,528 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:36:06,529 INFO  L435           NwaCegarLoop]: 6255 mSDtfsCounter, 6476 mSDsluCounter, 6250 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 12505 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:36:06,529 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6476 Valid, 12505 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-24 01:36:06,533 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4654 states.
[2024-11-24 01:36:06,562 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4654 to 4654.
[2024-11-24 01:36:06,566 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4654 states, 4653 states have (on average 1.4955942402750912) internal successors, (6959), 4653 states have internal predecessors, (6959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:06,571 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4654 states to 4654 states and 6959 transitions.
[2024-11-24 01:36:06,572 INFO  L78                 Accepts]: Start accepts. Automaton has 4654 states and 6959 transitions. Word has length 2278
[2024-11-24 01:36:06,572 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:36:06,572 INFO  L471      AbstractCegarLoop]: Abstraction has 4654 states and 6959 transitions.
[2024-11-24 01:36:06,572 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 569.5) internal successors, (2278), 4 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:06,573 INFO  L276                IsEmpty]: Start isEmpty. Operand 4654 states and 6959 transitions.
[2024-11-24 01:36:06,600 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2280
[2024-11-24 01:36:06,600 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:36:06,601 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:36:06,601 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-24 01:36:06,601 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:36:06,602 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:36:06,604 INFO  L85        PathProgramCache]: Analyzing trace with hash -2115027848, now seen corresponding path program 1 times
[2024-11-24 01:36:06,604 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:36:06,604 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792080772]
[2024-11-24 01:36:06,604 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:36:06,605 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:36:08,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:36:12,488 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:36:12,488 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:36:12,488 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792080772]
[2024-11-24 01:36:12,488 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792080772] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:36:12,488 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:36:12,489 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:36:12,489 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715963193]
[2024-11-24 01:36:12,489 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:36:12,490 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:36:12,490 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:36:12,492 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:36:12,492 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:36:12,492 INFO  L87              Difference]: Start difference. First operand 4654 states and 6959 transitions. Second operand  has 5 states, 5 states have (on average 455.8) internal successors, (2279), 5 states have internal predecessors, (2279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:12,685 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:36:12,685 INFO  L93              Difference]: Finished difference Result 8987 states and 13438 transitions.
[2024-11-24 01:36:12,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:36:12,686 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 455.8) internal successors, (2279), 5 states have internal predecessors, (2279), 0 states have call successors, (0), 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 2279
[2024-11-24 01:36:12,686 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:36:12,690 INFO  L225             Difference]: With dead ends: 8987
[2024-11-24 01:36:12,690 INFO  L226             Difference]: Without dead ends: 4655
[2024-11-24 01:36:12,693 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
[2024-11-24 01:36:12,694 INFO  L435           NwaCegarLoop]: 6697 mSDtfsCounter, 6490 mSDsluCounter, 13390 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6490 SdHoareTripleChecker+Valid, 20087 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:36:12,694 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6490 Valid, 20087 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:36:12,700 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4655 states.
[2024-11-24 01:36:12,729 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4655 to 4655.
[2024-11-24 01:36:12,733 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4655 states, 4654 states have (on average 1.4954877524709926) internal successors, (6960), 4654 states have internal predecessors, (6960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:12,738 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 6960 transitions.
[2024-11-24 01:36:12,738 INFO  L78                 Accepts]: Start accepts. Automaton has 4655 states and 6960 transitions. Word has length 2279
[2024-11-24 01:36:12,739 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:36:12,739 INFO  L471      AbstractCegarLoop]: Abstraction has 4655 states and 6960 transitions.
[2024-11-24 01:36:12,739 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 455.8) internal successors, (2279), 5 states have internal predecessors, (2279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:12,739 INFO  L276                IsEmpty]: Start isEmpty. Operand 4655 states and 6960 transitions.
[2024-11-24 01:36:12,765 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2280
[2024-11-24 01:36:12,765 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:36:12,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:36:12,767 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-24 01:36:12,767 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:36:12,768 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:36:12,769 INFO  L85        PathProgramCache]: Analyzing trace with hash 1624563896, now seen corresponding path program 1 times
[2024-11-24 01:36:12,769 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:36:12,769 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197375578]
[2024-11-24 01:36:12,770 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:36:12,770 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:36:15,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:36:18,074 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:36:18,074 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:36:18,074 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197375578]
[2024-11-24 01:36:18,075 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197375578] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:36:18,075 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:36:18,075 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:36:18,075 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766107131]
[2024-11-24 01:36:18,075 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:36:18,078 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:36:18,078 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:36:18,080 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:36:18,080 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:36:18,081 INFO  L87              Difference]: Start difference. First operand 4655 states and 6960 transitions. Second operand  has 5 states, 5 states have (on average 455.8) internal successors, (2279), 5 states have internal predecessors, (2279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:18,755 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:36:18,755 INFO  L93              Difference]: Finished difference Result 8988 states and 13438 transitions.
[2024-11-24 01:36:18,756 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:36:18,756 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 455.8) internal successors, (2279), 5 states have internal predecessors, (2279), 0 states have call successors, (0), 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 2279
[2024-11-24 01:36:18,757 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:36:18,760 INFO  L225             Difference]: With dead ends: 8988
[2024-11-24 01:36:18,760 INFO  L226             Difference]: Without dead ends: 4655
[2024-11-24 01:36:18,763 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
[2024-11-24 01:36:18,763 INFO  L435           NwaCegarLoop]: 6444 mSDtfsCounter, 13136 mSDsluCounter, 6441 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13136 SdHoareTripleChecker+Valid, 12885 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-24 01:36:18,764 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13136 Valid, 12885 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-24 01:36:18,769 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4655 states.
[2024-11-24 01:36:18,799 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4655 to 4655.
[2024-11-24 01:36:18,803 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4655 states, 4654 states have (on average 1.49527288354104) internal successors, (6959), 4654 states have internal predecessors, (6959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:18,808 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 6959 transitions.
[2024-11-24 01:36:18,809 INFO  L78                 Accepts]: Start accepts. Automaton has 4655 states and 6959 transitions. Word has length 2279
[2024-11-24 01:36:18,809 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:36:18,809 INFO  L471      AbstractCegarLoop]: Abstraction has 4655 states and 6959 transitions.
[2024-11-24 01:36:18,810 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 455.8) internal successors, (2279), 5 states have internal predecessors, (2279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:18,810 INFO  L276                IsEmpty]: Start isEmpty. Operand 4655 states and 6959 transitions.
[2024-11-24 01:36:18,839 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2281
[2024-11-24 01:36:18,839 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:36:18,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:36:18,840 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-24 01:36:18,841 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:36:18,841 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:36:18,842 INFO  L85        PathProgramCache]: Analyzing trace with hash -570273456, now seen corresponding path program 1 times
[2024-11-24 01:36:18,842 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:36:18,843 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607906516]
[2024-11-24 01:36:18,843 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:36:18,843 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:36:21,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:36:24,663 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:36:24,663 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:36:24,663 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607906516]
[2024-11-24 01:36:24,663 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607906516] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:36:24,663 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:36:24,664 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:36:24,664 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152655122]
[2024-11-24 01:36:24,664 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:36:24,666 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:36:24,666 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:36:24,668 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:36:24,668 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:36:24,669 INFO  L87              Difference]: Start difference. First operand 4655 states and 6959 transitions. Second operand  has 4 states, 4 states have (on average 570.0) internal successors, (2280), 4 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:25,925 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:36:25,925 INFO  L93              Difference]: Finished difference Result 8988 states and 13436 transitions.
[2024-11-24 01:36:25,928 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:36:25,929 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 570.0) internal successors, (2280), 4 states have internal predecessors, (2280), 0 states have call successors, (0), 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 2280
[2024-11-24 01:36:25,930 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:36:25,934 INFO  L225             Difference]: With dead ends: 8988
[2024-11-24 01:36:25,934 INFO  L226             Difference]: Without dead ends: 4655
[2024-11-24 01:36:25,936 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:36:25,938 INFO  L435           NwaCegarLoop]: 6254 mSDtfsCounter, 6467 mSDsluCounter, 6248 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6467 SdHoareTripleChecker+Valid, 12502 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-24 01:36:25,939 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6467 Valid, 12502 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-24 01:36:25,945 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4655 states.
[2024-11-24 01:36:25,989 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4655 to 4655.
[2024-11-24 01:36:25,994 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4655 states, 4654 states have (on average 1.4948431456811344) internal successors, (6957), 4654 states have internal predecessors, (6957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:26,002 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 6957 transitions.
[2024-11-24 01:36:26,002 INFO  L78                 Accepts]: Start accepts. Automaton has 4655 states and 6957 transitions. Word has length 2280
[2024-11-24 01:36:26,003 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:36:26,003 INFO  L471      AbstractCegarLoop]: Abstraction has 4655 states and 6957 transitions.
[2024-11-24 01:36:26,004 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 570.0) internal successors, (2280), 4 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:26,004 INFO  L276                IsEmpty]: Start isEmpty. Operand 4655 states and 6957 transitions.
[2024-11-24 01:36:26,048 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2282
[2024-11-24 01:36:26,048 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:36:26,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:36:26,049 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-24 01:36:26,049 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:36:26,050 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:36:26,051 INFO  L85        PathProgramCache]: Analyzing trace with hash 668792896, now seen corresponding path program 1 times
[2024-11-24 01:36:26,051 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:36:26,051 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716844962]
[2024-11-24 01:36:26,052 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:36:26,052 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:36:28,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:36:31,658 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:36:31,658 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:36:31,658 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716844962]
[2024-11-24 01:36:31,658 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716844962] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:36:31,658 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:36:31,658 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:36:31,659 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295280868]
[2024-11-24 01:36:31,659 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:36:31,660 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:36:31,660 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:36:31,662 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:36:31,663 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:36:31,663 INFO  L87              Difference]: Start difference. First operand 4655 states and 6957 transitions. Second operand  has 5 states, 5 states have (on average 456.2) internal successors, (2281), 5 states have internal predecessors, (2281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:31,816 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:36:31,816 INFO  L93              Difference]: Finished difference Result 8989 states and 13434 transitions.
[2024-11-24 01:36:31,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:36:31,817 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 456.2) internal successors, (2281), 5 states have internal predecessors, (2281), 0 states have call successors, (0), 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 2281
[2024-11-24 01:36:31,818 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:36:31,821 INFO  L225             Difference]: With dead ends: 8989
[2024-11-24 01:36:31,822 INFO  L226             Difference]: Without dead ends: 4656
[2024-11-24 01:36:31,825 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
[2024-11-24 01:36:31,825 INFO  L435           NwaCegarLoop]: 6704 mSDtfsCounter, 6475 mSDsluCounter, 13403 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6475 SdHoareTripleChecker+Valid, 20107 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:36:31,826 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6475 Valid, 20107 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:36:31,830 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4656 states.
[2024-11-24 01:36:31,877 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 4656.
[2024-11-24 01:36:31,882 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4656 states, 4655 states have (on average 1.4947368421052631) internal successors, (6958), 4655 states have internal predecessors, (6958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:31,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 6958 transitions.
[2024-11-24 01:36:31,890 INFO  L78                 Accepts]: Start accepts. Automaton has 4656 states and 6958 transitions. Word has length 2281
[2024-11-24 01:36:31,890 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:36:31,890 INFO  L471      AbstractCegarLoop]: Abstraction has 4656 states and 6958 transitions.
[2024-11-24 01:36:31,891 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 456.2) internal successors, (2281), 5 states have internal predecessors, (2281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:31,891 INFO  L276                IsEmpty]: Start isEmpty. Operand 4656 states and 6958 transitions.
[2024-11-24 01:36:31,923 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2282
[2024-11-24 01:36:31,924 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:36:31,924 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:36:31,925 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-24 01:36:31,925 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:36:31,926 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:36:31,926 INFO  L85        PathProgramCache]: Analyzing trace with hash 2121723008, now seen corresponding path program 1 times
[2024-11-24 01:36:31,927 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:36:31,927 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578441245]
[2024-11-24 01:36:31,927 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:36:31,928 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:36:33,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:36:36,777 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:36:36,777 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:36:36,777 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578441245]
[2024-11-24 01:36:36,777 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578441245] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:36:36,777 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:36:36,777 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:36:36,777 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876593955]
[2024-11-24 01:36:36,778 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:36:36,780 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:36:36,780 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:36:36,782 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:36:36,782 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:36:36,783 INFO  L87              Difference]: Start difference. First operand 4656 states and 6958 transitions. Second operand  has 5 states, 5 states have (on average 456.2) internal successors, (2281), 5 states have internal predecessors, (2281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:37,567 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:36:37,567 INFO  L93              Difference]: Finished difference Result 8990 states and 13434 transitions.
[2024-11-24 01:36:37,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:36:37,568 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 456.2) internal successors, (2281), 5 states have internal predecessors, (2281), 0 states have call successors, (0), 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 2281
[2024-11-24 01:36:37,569 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:36:37,572 INFO  L225             Difference]: With dead ends: 8990
[2024-11-24 01:36:37,573 INFO  L226             Difference]: Without dead ends: 4656
[2024-11-24 01:36:37,577 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
[2024-11-24 01:36:37,577 INFO  L435           NwaCegarLoop]: 6432 mSDtfsCounter, 13106 mSDsluCounter, 6429 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13106 SdHoareTripleChecker+Valid, 12861 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-24 01:36:37,578 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13106 Valid, 12861 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-24 01:36:37,586 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4656 states.
[2024-11-24 01:36:37,644 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 4656.
[2024-11-24 01:36:37,649 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4656 states, 4655 states have (on average 1.4945220193340494) internal successors, (6957), 4655 states have internal predecessors, (6957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:37,661 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 6957 transitions.
[2024-11-24 01:36:37,661 INFO  L78                 Accepts]: Start accepts. Automaton has 4656 states and 6957 transitions. Word has length 2281
[2024-11-24 01:36:37,662 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:36:37,662 INFO  L471      AbstractCegarLoop]: Abstraction has 4656 states and 6957 transitions.
[2024-11-24 01:36:37,663 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 456.2) internal successors, (2281), 5 states have internal predecessors, (2281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:37,663 INFO  L276                IsEmpty]: Start isEmpty. Operand 4656 states and 6957 transitions.
[2024-11-24 01:36:37,807 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2283
[2024-11-24 01:36:37,807 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:36:37,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:36:37,808 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-11-24 01:36:37,808 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:36:37,809 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:36:37,810 INFO  L85        PathProgramCache]: Analyzing trace with hash -873324376, now seen corresponding path program 1 times
[2024-11-24 01:36:37,810 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:36:37,810 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35398517]
[2024-11-24 01:36:37,811 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:36:37,811 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:36:40,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:36:43,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:36:43,202 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:36:43,202 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35398517]
[2024-11-24 01:36:43,202 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35398517] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:36:43,202 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:36:43,202 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:36:43,202 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276797843]
[2024-11-24 01:36:43,202 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:36:43,205 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:36:43,205 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:36:43,207 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:36:43,207 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:36:43,208 INFO  L87              Difference]: Start difference. First operand 4656 states and 6957 transitions. Second operand  has 4 states, 4 states have (on average 570.5) internal successors, (2282), 4 states have internal predecessors, (2282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:44,327 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:36:44,328 INFO  L93              Difference]: Finished difference Result 8990 states and 13432 transitions.
[2024-11-24 01:36:44,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:36:44,329 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 570.5) internal successors, (2282), 4 states have internal predecessors, (2282), 0 states have call successors, (0), 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 2282
[2024-11-24 01:36:44,329 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:36:44,332 INFO  L225             Difference]: With dead ends: 8990
[2024-11-24 01:36:44,332 INFO  L226             Difference]: Without dead ends: 4656
[2024-11-24 01:36:44,335 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:36:44,336 INFO  L435           NwaCegarLoop]: 6253 mSDtfsCounter, 6452 mSDsluCounter, 6247 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6452 SdHoareTripleChecker+Valid, 12500 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:36:44,336 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6452 Valid, 12500 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-24 01:36:44,342 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4656 states.
[2024-11-24 01:36:44,386 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 4656.
[2024-11-24 01:36:44,391 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4656 states, 4655 states have (on average 1.4940923737916219) internal successors, (6955), 4655 states have internal predecessors, (6955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:44,399 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 6955 transitions.
[2024-11-24 01:36:44,399 INFO  L78                 Accepts]: Start accepts. Automaton has 4656 states and 6955 transitions. Word has length 2282
[2024-11-24 01:36:44,400 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:36:44,400 INFO  L471      AbstractCegarLoop]: Abstraction has 4656 states and 6955 transitions.
[2024-11-24 01:36:44,400 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 570.5) internal successors, (2282), 4 states have internal predecessors, (2282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:44,401 INFO  L276                IsEmpty]: Start isEmpty. Operand 4656 states and 6955 transitions.
[2024-11-24 01:36:44,444 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2284
[2024-11-24 01:36:44,444 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:36:44,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:36:44,445 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-11-24 01:36:44,445 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:36:44,446 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:36:44,447 INFO  L85        PathProgramCache]: Analyzing trace with hash -342753272, now seen corresponding path program 1 times
[2024-11-24 01:36:44,448 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:36:44,448 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015390078]
[2024-11-24 01:36:44,448 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:36:44,448 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:36:46,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:36:49,549 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:36:49,550 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:36:49,550 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015390078]
[2024-11-24 01:36:49,550 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015390078] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:36:49,550 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:36:49,551 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:36:49,551 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759308692]
[2024-11-24 01:36:49,551 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:36:49,553 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:36:49,553 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:36:49,555 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:36:49,555 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:36:49,556 INFO  L87              Difference]: Start difference. First operand 4656 states and 6955 transitions. Second operand  has 5 states, 5 states have (on average 456.6) internal successors, (2283), 5 states have internal predecessors, (2283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:49,761 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:36:49,761 INFO  L93              Difference]: Finished difference Result 8991 states and 13430 transitions.
[2024-11-24 01:36:49,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:36:49,762 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 456.6) internal successors, (2283), 5 states have internal predecessors, (2283), 0 states have call successors, (0), 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 2283
[2024-11-24 01:36:49,762 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:36:49,766 INFO  L225             Difference]: With dead ends: 8991
[2024-11-24 01:36:49,766 INFO  L226             Difference]: Without dead ends: 4657
[2024-11-24 01:36:49,770 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
[2024-11-24 01:36:49,771 INFO  L435           NwaCegarLoop]: 6691 mSDtfsCounter, 6460 mSDsluCounter, 13377 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6460 SdHoareTripleChecker+Valid, 20068 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:36:49,771 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6460 Valid, 20068 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:36:49,777 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4657 states.
[2024-11-24 01:36:49,814 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4657 to 4657.
[2024-11-24 01:36:49,818 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4657 states, 4656 states have (on average 1.4939862542955327) internal successors, (6956), 4656 states have internal predecessors, (6956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:49,823 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4657 states to 4657 states and 6956 transitions.
[2024-11-24 01:36:49,824 INFO  L78                 Accepts]: Start accepts. Automaton has 4657 states and 6956 transitions. Word has length 2283
[2024-11-24 01:36:49,824 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:36:49,824 INFO  L471      AbstractCegarLoop]: Abstraction has 4657 states and 6956 transitions.
[2024-11-24 01:36:49,825 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 456.6) internal successors, (2283), 5 states have internal predecessors, (2283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:36:49,825 INFO  L276                IsEmpty]: Start isEmpty. Operand 4657 states and 6956 transitions.
[2024-11-24 01:36:49,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2284
[2024-11-24 01:36:49,869 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:36:49,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-24 01:36:49,870 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-11-24 01:36:49,870 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:36:49,871 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:36:49,872 INFO  L85        PathProgramCache]: Analyzing trace with hash -1341897656, now seen corresponding path program 1 times
[2024-11-24 01:36:49,872 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:36:49,872 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643757658]
[2024-11-24 01:36:49,873 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:36:49,873 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:36:52,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:36:55,167 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:36:55,167 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:36:55,167 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643757658]
[2024-11-24 01:36:55,167 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643757658] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:36:55,168 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:36:55,168 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:36:55,168 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289171803]
[2024-11-24 01:36:55,168 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:36:55,170 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:36:55,170 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:36:55,173 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:36:55,173 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:36:55,174 INFO  L87              Difference]: Start difference. First operand 4657 states and 6956 transitions. Second operand  has 5 states, 5 states have (on average 456.6) internal successors, (2283), 5 states have internal predecessors, (2283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)