./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.3.prop3-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.3.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya --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 98ef3344784f5344a4d0afd4889b1618c9581ddfc68fa14c191ba23a2dce4512
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-29 01:24:44,616 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-29 01:24:44,681 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf
[2023-11-29 01:24:44,685 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-29 01:24:44,686 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-29 01:24:44,709 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-29 01:24:44,709 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-29 01:24:44,710 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-29 01:24:44,711 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-29 01:24:44,711 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-29 01:24:44,712 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-29 01:24:44,712 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-29 01:24:44,713 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-29 01:24:44,713 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-29 01:24:44,714 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-29 01:24:44,714 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-29 01:24:44,715 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-29 01:24:44,715 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-29 01:24:44,716 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-29 01:24:44,716 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-29 01:24:44,717 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-29 01:24:44,717 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-29 01:24:44,718 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-29 01:24:44,718 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-29 01:24:44,719 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-29 01:24:44,719 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-29 01:24:44,719 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-29 01:24:44,720 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-29 01:24:44,720 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-29 01:24:44,721 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-29 01:24:44,721 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-29 01:24:44,721 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-29 01:24:44,722 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-29 01:24:44,722 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-29 01:24:44,722 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-29 01:24:44,722 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-29 01:24:44,723 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-29 01:24:44,723 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-29 01:24:44,723 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-29 01:24:44,723 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya
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 -> 98ef3344784f5344a4d0afd4889b1618c9581ddfc68fa14c191ba23a2dce4512
[2023-11-29 01:24:44,971 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-29 01:24:44,991 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-29 01:24:44,993 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-29 01:24:44,994 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-29 01:24:44,994 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-29 01:24:44,995 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.3.prop3-back-serstep.c
[2023-11-29 01:24:47,713 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-29 01:24:48,493 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-29 01:24:48,494 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.3.prop3-back-serstep.c
[2023-11-29 01:24:48,573 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/data/53b498e51/b58c9e08b97d4102afc3fac2999de2ed/FLAG0ef67cd73
[2023-11-29 01:24:48,587 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/data/53b498e51/b58c9e08b97d4102afc3fac2999de2ed
[2023-11-29 01:24:48,589 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-29 01:24:48,591 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-29 01:24:48,592 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-29 01:24:48,592 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-29 01:24:48,597 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-29 01:24:48,598 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:24:48" (1/1) ...
[2023-11-29 01:24:48,599 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245e1687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:48, skipping insertion in model container
[2023-11-29 01:24:48,599 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:24:48" (1/1) ...
[2023-11-29 01:24:48,905 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-29 01:24:49,316 WARN  L240   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_54c54ac3-6113-4ea3-90c2-420299c0337c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.3.prop3-back-serstep.c[1181,1194]
[2023-11-29 01:24:51,902 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-29 01:24:51,913 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-29 01:24:51,925 WARN  L240   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_54c54ac3-6113-4ea3-90c2-420299c0337c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.3.prop3-back-serstep.c[1181,1194]
[2023-11-29 01:24:53,710 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-29 01:24:53,721 INFO  L206         MainTranslator]: Completed translation
[2023-11-29 01:24:53,721 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53 WrapperNode
[2023-11-29 01:24:53,721 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-29 01:24:53,722 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-29 01:24:53,722 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-29 01:24:53,722 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-29 01:24:53,728 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:24:54,170 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:01,743 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 127675
[2023-11-29 01:25:01,744 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-29 01:25:01,744 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-29 01:25:01,744 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-29 01:25:01,745 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-29 01:25:01,753 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:01,753 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:03,833 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:04,867 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].
[2023-11-29 01:25:04,868 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:04,868 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:06,978 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:07,309 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:07,593 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:07,868 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:09,566 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-29 01:25:09,567 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-29 01:25:09,567 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-29 01:25:09,568 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-29 01:25:09,568 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (1/1) ...
[2023-11-29 01:25:09,574 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-29 01:25:09,585 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/z3
[2023-11-29 01:25:09,596 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-29 01:25:09,605 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c54ac3-6113-4ea3-90c2-420299c0337c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-29 01:25:09,638 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-29 01:25:09,639 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-29 01:25:09,639 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-29 01:25:09,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-29 01:25:13,989 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-29 01:25:13,991 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-29 01:26:05,517 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-29 01:26:06,791 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-29 01:26:06,792 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-29 01:26:06,804 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:26:06 BoogieIcfgContainer
[2023-11-29 01:26:06,804 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-29 01:26:06,808 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-29 01:26:06,808 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-29 01:26:06,811 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-29 01:26:06,811 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:24:48" (1/3) ...
[2023-11-29 01:26:06,812 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745573c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:26:06, skipping insertion in model container
[2023-11-29 01:26:06,812 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:24:53" (2/3) ...
[2023-11-29 01:26:06,813 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745573c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:26:06, skipping insertion in model container
[2023-11-29 01:26:06,813 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:26:06" (3/3) ...
[2023-11-29 01:26:06,814 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.firewire_tree.3.prop3-back-serstep.c
[2023-11-29 01:26:06,833 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-29 01:26:06,833 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-29 01:26:07,400 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-29 01:26:07,405 INFO  L357      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, mHoare=true, 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;@2998dc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-29 01:26:07,406 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-29 01:26:07,470 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 28144 states, 28142 states have (on average 1.6671878331319736) internal successors, (46918), 28143 states have internal predecessors, (46918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:07,630 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3029
[2023-11-29 01:26:07,630 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:26:07,633 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-11-29 01:26:07,633 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:26:07,637 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:26:07,639 INFO  L85        PathProgramCache]: Analyzing trace with hash -1784619402, now seen corresponding path program 1 times
[2023-11-29 01:26:07,646 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:26:07,646 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015034779]
[2023-11-29 01:26:07,647 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:26:07,647 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:26:10,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:26:20,674 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:26:20,675 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:26:20,675 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015034779]
[2023-11-29 01:26:20,676 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015034779] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:26:20,676 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:26:20,677 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:26:20,678 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465840524]
[2023-11-29 01:26:20,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:26:20,688 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:26:20,689 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:26:20,722 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:26:20,722 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:26:20,767 INFO  L87              Difference]: Start difference. First operand  has 28144 states, 28142 states have (on average 1.6671878331319736) internal successors, (46918), 28143 states have internal predecessors, (46918), 0 states have call successors, (0), 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 757.0) internal successors, (3028), 4 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:22,164 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:26:22,164 INFO  L93              Difference]: Finished difference Result 55354 states and 92282 transitions.
[2023-11-29 01:26:22,166 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 01:26:22,168 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 757.0) internal successors, (3028), 4 states have internal predecessors, (3028), 0 states have call successors, (0), 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 3028
[2023-11-29 01:26:22,177 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:26:22,331 INFO  L225             Difference]: With dead ends: 55354
[2023-11-29 01:26:22,332 INFO  L226             Difference]: Without dead ends: 28144
[2023-11-29 01:26:22,372 INFO  L412           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
[2023-11-29 01:26:22,375 INFO  L413           NwaCegarLoop]: 46911 mSDtfsCounter, 1 mSDsluCounter, 93817 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 140728 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-29 01:26:22,377 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 140728 Invalid, 13 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-29 01:26:22,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 28144 states.
[2023-11-29 01:26:22,983 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 28144 to 28144.
[2023-11-29 01:26:23,031 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 28144 states, 28143 states have (on average 1.6670575276267634) internal successors, (46916), 28143 states have internal predecessors, (46916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:23,184 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 28144 states to 28144 states and 46916 transitions.
[2023-11-29 01:26:23,185 INFO  L78                 Accepts]: Start accepts. Automaton has 28144 states and 46916 transitions. Word has length 3028
[2023-11-29 01:26:23,191 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:26:23,191 INFO  L495      AbstractCegarLoop]: Abstraction has 28144 states and 46916 transitions.
[2023-11-29 01:26:23,193 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 757.0) internal successors, (3028), 4 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:23,193 INFO  L276                IsEmpty]: Start isEmpty. Operand 28144 states and 46916 transitions.
[2023-11-29 01:26:23,298 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3030
[2023-11-29 01:26:23,298 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:26:23,300 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:26:23,300 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-29 01:26:23,301 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:26:23,301 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:26:23,303 INFO  L85        PathProgramCache]: Analyzing trace with hash 513116478, now seen corresponding path program 1 times
[2023-11-29 01:26:23,303 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:26:23,303 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119278852]
[2023-11-29 01:26:23,304 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:26:23,304 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:26:24,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:26:30,587 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:26:30,587 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:26:30,587 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119278852]
[2023-11-29 01:26:30,588 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119278852] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:26:30,588 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:26:30,590 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:26:30,590 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097648601]
[2023-11-29 01:26:30,590 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:26:30,596 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:26:30,596 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:26:30,599 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:26:30,599 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:26:30,601 INFO  L87              Difference]: Start difference. First operand 28144 states and 46916 transitions. Second operand  has 4 states, 4 states have (on average 757.25) internal successors, (3029), 4 states have internal predecessors, (3029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:31,473 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:26:31,474 INFO  L93              Difference]: Finished difference Result 55357 states and 92280 transitions.
[2023-11-29 01:26:31,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 01:26:31,475 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 757.25) internal successors, (3029), 4 states have internal predecessors, (3029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3029
[2023-11-29 01:26:31,481 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:26:31,533 INFO  L225             Difference]: With dead ends: 55357
[2023-11-29 01:26:31,533 INFO  L226             Difference]: Without dead ends: 28147
[2023-11-29 01:26:31,563 INFO  L412           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
[2023-11-29 01:26:31,564 INFO  L413           NwaCegarLoop]: 46911 mSDtfsCounter, 1 mSDsluCounter, 93815 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 140726 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:26:31,565 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 140726 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:26:31,609 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 28147 states.
[2023-11-29 01:26:32,011 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 28147 to 28146.
[2023-11-29 01:26:32,047 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 28146 states, 28145 states have (on average 1.667010126132528) internal successors, (46918), 28145 states have internal predecessors, (46918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:32,106 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 28146 states to 28146 states and 46918 transitions.
[2023-11-29 01:26:32,106 INFO  L78                 Accepts]: Start accepts. Automaton has 28146 states and 46918 transitions. Word has length 3029
[2023-11-29 01:26:32,110 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:26:32,110 INFO  L495      AbstractCegarLoop]: Abstraction has 28146 states and 46918 transitions.
[2023-11-29 01:26:32,111 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 757.25) internal successors, (3029), 4 states have internal predecessors, (3029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:32,111 INFO  L276                IsEmpty]: Start isEmpty. Operand 28146 states and 46918 transitions.
[2023-11-29 01:26:32,183 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3031
[2023-11-29 01:26:32,184 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:26:32,186 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-11-29 01:26:32,186 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-29 01:26:32,186 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:26:32,187 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:26:32,188 INFO  L85        PathProgramCache]: Analyzing trace with hash -1483672688, now seen corresponding path program 1 times
[2023-11-29 01:26:32,189 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:26:32,189 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173862322]
[2023-11-29 01:26:32,190 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:26:32,190 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:26:33,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:26:38,419 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:26:38,419 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:26:38,420 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173862322]
[2023-11-29 01:26:38,420 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173862322] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:26:38,420 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:26:38,421 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:26:38,421 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973438788]
[2023-11-29 01:26:38,421 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:26:38,424 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:26:38,424 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:26:38,426 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:26:38,426 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:26:38,428 INFO  L87              Difference]: Start difference. First operand 28146 states and 46918 transitions. Second operand  has 4 states, 4 states have (on average 757.5) internal successors, (3030), 4 states have internal predecessors, (3030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:39,312 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:26:39,312 INFO  L93              Difference]: Finished difference Result 82564 states and 137633 transitions.
[2023-11-29 01:26:39,312 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:26:39,313 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 757.5) internal successors, (3030), 4 states have internal predecessors, (3030), 0 states have call successors, (0), 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 3030
[2023-11-29 01:26:39,317 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:26:39,365 INFO  L225             Difference]: With dead ends: 82564
[2023-11-29 01:26:39,365 INFO  L226             Difference]: Without dead ends: 55352
[2023-11-29 01:26:39,391 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:26:39,393 INFO  L413           NwaCegarLoop]: 52906 mSDtfsCounter, 45349 mSDsluCounter, 99808 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45349 SdHoareTripleChecker+Valid, 152714 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:26:39,393 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45349 Valid, 152714 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:26:39,450 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55352 states.
[2023-11-29 01:26:39,852 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55352 to 28148.
[2023-11-29 01:26:39,879 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 28148 states, 28147 states have (on average 1.6669627313745692) internal successors, (46920), 28147 states have internal predecessors, (46920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:39,912 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 28148 states to 28148 states and 46920 transitions.
[2023-11-29 01:26:39,912 INFO  L78                 Accepts]: Start accepts. Automaton has 28148 states and 46920 transitions. Word has length 3030
[2023-11-29 01:26:39,915 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:26:39,915 INFO  L495      AbstractCegarLoop]: Abstraction has 28148 states and 46920 transitions.
[2023-11-29 01:26:39,916 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 757.5) internal successors, (3030), 4 states have internal predecessors, (3030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:39,916 INFO  L276                IsEmpty]: Start isEmpty. Operand 28148 states and 46920 transitions.
[2023-11-29 01:26:39,960 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3032
[2023-11-29 01:26:39,960 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:26:39,962 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:26:39,963 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-29 01:26:39,963 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:26:39,963 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:26:39,964 INFO  L85        PathProgramCache]: Analyzing trace with hash -1837282462, now seen corresponding path program 1 times
[2023-11-29 01:26:39,965 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:26:39,965 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228663103]
[2023-11-29 01:26:39,965 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:26:39,965 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:26:41,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:26:46,272 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:26:46,272 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:26:46,272 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228663103]
[2023-11-29 01:26:46,272 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228663103] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:26:46,272 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:26:46,273 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:26:46,273 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475208362]
[2023-11-29 01:26:46,273 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:26:46,276 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:26:46,277 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:26:46,280 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:26:46,280 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:26:46,282 INFO  L87              Difference]: Start difference. First operand 28148 states and 46920 transitions. Second operand  has 4 states, 4 states have (on average 757.75) internal successors, (3031), 4 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:47,146 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:26:47,147 INFO  L93              Difference]: Finished difference Result 82567 states and 137634 transitions.
[2023-11-29 01:26:47,147 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:26:47,148 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 757.75) internal successors, (3031), 4 states have internal predecessors, (3031), 0 states have call successors, (0), 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 3031
[2023-11-29 01:26:47,151 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:26:47,188 INFO  L225             Difference]: With dead ends: 82567
[2023-11-29 01:26:47,188 INFO  L226             Difference]: Without dead ends: 55353
[2023-11-29 01:26:47,210 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:26:47,211 INFO  L413           NwaCegarLoop]: 52901 mSDtfsCounter, 45346 mSDsluCounter, 99803 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45346 SdHoareTripleChecker+Valid, 152704 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:26:47,212 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45346 Valid, 152704 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:26:47,262 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55353 states.
[2023-11-29 01:26:47,571 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55353 to 28150.
[2023-11-29 01:26:47,597 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 28150 states, 28149 states have (on average 1.6669153433514512) internal successors, (46922), 28149 states have internal predecessors, (46922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:47,630 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 28150 states to 28150 states and 46922 transitions.
[2023-11-29 01:26:47,630 INFO  L78                 Accepts]: Start accepts. Automaton has 28150 states and 46922 transitions. Word has length 3031
[2023-11-29 01:26:47,632 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:26:47,632 INFO  L495      AbstractCegarLoop]: Abstraction has 28150 states and 46922 transitions.
[2023-11-29 01:26:47,633 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 757.75) internal successors, (3031), 4 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:26:47,633 INFO  L276                IsEmpty]: Start isEmpty. Operand 28150 states and 46922 transitions.
[2023-11-29 01:26:47,677 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3033
[2023-11-29 01:26:47,677 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:26:47,679 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:26:47,679 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-29 01:26:47,679 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:26:47,679 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:26:47,680 INFO  L85        PathProgramCache]: Analyzing trace with hash -703444760, now seen corresponding path program 1 times
[2023-11-29 01:26:47,680 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:26:47,680 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413862799]
[2023-11-29 01:26:47,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:26:47,681 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:26:50,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:26:57,082 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:26:57,082 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:26:57,082 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413862799]
[2023-11-29 01:26:57,083 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413862799] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:26:57,083 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:26:57,084 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:26:57,084 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650037421]
[2023-11-29 01:26:57,084 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:26:57,088 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-29 01:26:57,088 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:26:57,093 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-29 01:26:57,093 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:26:57,095 INFO  L87              Difference]: Start difference. First operand 28150 states and 46922 transitions. Second operand  has 6 states, 6 states have (on average 505.3333333333333) internal successors, (3032), 5 states have internal predecessors, (3032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:27:23,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:27:23,080 INFO  L93              Difference]: Finished difference Result 130087 states and 215294 transitions.
[2023-11-29 01:27:23,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-11-29 01:27:23,082 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 505.3333333333333) internal successors, (3032), 5 states have internal predecessors, (3032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3032
[2023-11-29 01:27:23,086 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:27:23,136 INFO  L225             Difference]: With dead ends: 130087
[2023-11-29 01:27:23,136 INFO  L226             Difference]: Without dead ends: 55366
[2023-11-29 01:27:23,185 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2023-11-29 01:27:23,185 INFO  L413           NwaCegarLoop]: 46160 mSDtfsCounter, 315192 mSDsluCounter, 126039 mSDsCounter, 0 mSdLazyCounter, 19244 mSolverCounterSat, 4655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315192 SdHoareTripleChecker+Valid, 172199 SdHoareTripleChecker+Invalid, 23899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.8s SdHoareTripleChecker+Time, 4655 IncrementalHoareTripleChecker+Valid, 19244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time
[2023-11-29 01:27:23,186 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [315192 Valid, 172199 Invalid, 23899 Unknown, 0 Unchecked, 0.8s Time], IncrementalHoareTripleChecker [4655 Valid, 19244 Invalid, 0 Unknown, 0 Unchecked, 22.9s Time]
[2023-11-29 01:27:23,271 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55366 states.
[2023-11-29 01:27:23,738 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55366 to 30411.
[2023-11-29 01:27:23,769 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30411 states, 30410 states have (on average 1.6668530088786584) internal successors, (50689), 30410 states have internal predecessors, (50689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:27:23,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30411 states to 30411 states and 50689 transitions.
[2023-11-29 01:27:23,820 INFO  L78                 Accepts]: Start accepts. Automaton has 30411 states and 50689 transitions. Word has length 3032
[2023-11-29 01:27:23,822 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:27:23,822 INFO  L495      AbstractCegarLoop]: Abstraction has 30411 states and 50689 transitions.
[2023-11-29 01:27:23,822 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 505.3333333333333) internal successors, (3032), 5 states have internal predecessors, (3032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:27:23,823 INFO  L276                IsEmpty]: Start isEmpty. Operand 30411 states and 50689 transitions.
[2023-11-29 01:27:24,224 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3034
[2023-11-29 01:27:24,224 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:27:24,226 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:27:24,226 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-29 01:27:24,226 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:27:24,228 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:27:24,229 INFO  L85        PathProgramCache]: Analyzing trace with hash -939828470, now seen corresponding path program 1 times
[2023-11-29 01:27:24,229 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:27:24,229 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813682253]
[2023-11-29 01:27:24,230 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:27:24,230 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:27:25,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:27:31,237 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:27:31,238 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:27:31,238 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813682253]
[2023-11-29 01:27:31,238 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813682253] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:27:31,238 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:27:31,239 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:27:31,239 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502954374]
[2023-11-29 01:27:31,239 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:27:31,242 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-29 01:27:31,243 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:27:31,246 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-29 01:27:31,246 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:27:31,247 INFO  L87              Difference]: Start difference. First operand 30411 states and 50689 transitions. Second operand  has 6 states, 6 states have (on average 505.5) internal successors, (3033), 5 states have internal predecessors, (3033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:02,121 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:28:02,121 INFO  L93              Difference]: Finished difference Result 83830 states and 139524 transitions.
[2023-11-29 01:28:02,121 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-29 01:28:02,122 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 505.5) internal successors, (3033), 5 states have internal predecessors, (3033), 0 states have call successors, (0), 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 3033
[2023-11-29 01:28:02,124 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:28:02,156 INFO  L225             Difference]: With dead ends: 83830
[2023-11-29 01:28:02,157 INFO  L226             Difference]: Without dead ends: 56614
[2023-11-29 01:28:02,168 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2023-11-29 01:28:02,169 INFO  L413           NwaCegarLoop]: 38221 mSDtfsCounter, 136118 mSDsluCounter, 118761 mSDsCounter, 0 mSdLazyCounter, 34415 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136118 SdHoareTripleChecker+Valid, 156982 SdHoareTripleChecker+Invalid, 35039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 34415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time
[2023-11-29 01:28:02,169 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [136118 Valid, 156982 Invalid, 35039 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [624 Valid, 34415 Invalid, 0 Unknown, 0 Unchecked, 29.2s Time]
[2023-11-29 01:28:02,218 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56614 states.
[2023-11-29 01:28:02,513 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56614 to 30417.
[2023-11-29 01:28:02,539 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30417 states, 30416 states have (on average 1.6668200946870069) internal successors, (50698), 30416 states have internal predecessors, (50698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:02,574 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30417 states to 30417 states and 50698 transitions.
[2023-11-29 01:28:02,574 INFO  L78                 Accepts]: Start accepts. Automaton has 30417 states and 50698 transitions. Word has length 3033
[2023-11-29 01:28:02,575 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:28:02,576 INFO  L495      AbstractCegarLoop]: Abstraction has 30417 states and 50698 transitions.
[2023-11-29 01:28:02,576 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 505.5) internal successors, (3033), 5 states have internal predecessors, (3033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:02,576 INFO  L276                IsEmpty]: Start isEmpty. Operand 30417 states and 50698 transitions.
[2023-11-29 01:28:02,620 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3035
[2023-11-29 01:28:02,620 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:28:02,622 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:28:02,622 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-29 01:28:02,622 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:28:02,623 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:28:02,624 INFO  L85        PathProgramCache]: Analyzing trace with hash -1539888548, now seen corresponding path program 1 times
[2023-11-29 01:28:02,624 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:28:02,624 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435640147]
[2023-11-29 01:28:02,625 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:28:02,625 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:28:03,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:28:09,285 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:28:09,285 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:28:09,285 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435640147]
[2023-11-29 01:28:09,285 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435640147] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:28:09,286 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:28:09,286 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:28:09,286 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921554416]
[2023-11-29 01:28:09,286 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:28:09,288 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:28:09,288 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:28:09,291 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:28:09,291 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:28:09,291 INFO  L87              Difference]: Start difference. First operand 30417 states and 50698 transitions. Second operand  has 5 states, 5 states have (on average 606.8) internal successors, (3034), 5 states have internal predecessors, (3034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:10,295 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:28:10,295 INFO  L93              Difference]: Finished difference Result 84837 states and 141411 transitions.
[2023-11-29 01:28:10,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:28:10,297 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 606.8) internal successors, (3034), 5 states have internal predecessors, (3034), 0 states have call successors, (0), 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 3034
[2023-11-29 01:28:10,300 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:28:10,341 INFO  L225             Difference]: With dead ends: 84837
[2023-11-29 01:28:10,341 INFO  L226             Difference]: Without dead ends: 57621
[2023-11-29 01:28:10,364 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:28:10,365 INFO  L413           NwaCegarLoop]: 52894 mSDtfsCounter, 45343 mSDsluCounter, 145138 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45343 SdHoareTripleChecker+Valid, 198032 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:28:10,365 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45343 Valid, 198032 Invalid, 23 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:28:10,422 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57621 states.
[2023-11-29 01:28:10,809 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57621 to 30419.
[2023-11-29 01:28:10,835 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30419 states, 30418 states have (on average 1.66677625090407) internal successors, (50700), 30418 states have internal predecessors, (50700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:10,872 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30419 states to 30419 states and 50700 transitions.
[2023-11-29 01:28:10,873 INFO  L78                 Accepts]: Start accepts. Automaton has 30419 states and 50700 transitions. Word has length 3034
[2023-11-29 01:28:10,875 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:28:10,875 INFO  L495      AbstractCegarLoop]: Abstraction has 30419 states and 50700 transitions.
[2023-11-29 01:28:10,875 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 606.8) internal successors, (3034), 5 states have internal predecessors, (3034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:10,875 INFO  L276                IsEmpty]: Start isEmpty. Operand 30419 states and 50700 transitions.
[2023-11-29 01:28:10,918 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3036
[2023-11-29 01:28:10,918 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:28:10,919 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-11-29 01:28:10,919 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-29 01:28:10,920 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:28:10,920 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:28:10,921 INFO  L85        PathProgramCache]: Analyzing trace with hash -335377836, now seen corresponding path program 1 times
[2023-11-29 01:28:10,921 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:28:10,921 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009473129]
[2023-11-29 01:28:10,921 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:28:10,921 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:28:11,818 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:28:17,642 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:28:17,642 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:28:17,642 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009473129]
[2023-11-29 01:28:17,642 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009473129] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:28:17,642 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:28:17,643 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:28:17,643 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888656668]
[2023-11-29 01:28:17,643 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:28:17,646 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:28:17,647 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:28:17,649 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:28:17,649 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:28:17,650 INFO  L87              Difference]: Start difference. First operand 30419 states and 50700 transitions. Second operand  has 5 states, 5 states have (on average 607.0) internal successors, (3035), 5 states have internal predecessors, (3035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:18,680 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:28:18,681 INFO  L93              Difference]: Finished difference Result 84840 states and 141412 transitions.
[2023-11-29 01:28:18,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:28:18,681 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 607.0) internal successors, (3035), 5 states have internal predecessors, (3035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3035
[2023-11-29 01:28:18,685 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:28:18,714 INFO  L225             Difference]: With dead ends: 84840
[2023-11-29 01:28:18,714 INFO  L226             Difference]: Without dead ends: 57622
[2023-11-29 01:28:18,725 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:28:18,726 INFO  L413           NwaCegarLoop]: 52889 mSDtfsCounter, 45340 mSDsluCounter, 145130 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45340 SdHoareTripleChecker+Valid, 198019 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:28:18,726 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45340 Valid, 198019 Invalid, 23 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:28:18,767 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57622 states.
[2023-11-29 01:28:19,022 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57622 to 30421.
[2023-11-29 01:28:19,046 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30421 states, 30420 states have (on average 1.666732412886259) internal successors, (50702), 30420 states have internal predecessors, (50702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:19,076 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30421 states to 30421 states and 50702 transitions.
[2023-11-29 01:28:19,076 INFO  L78                 Accepts]: Start accepts. Automaton has 30421 states and 50702 transitions. Word has length 3035
[2023-11-29 01:28:19,078 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:28:19,078 INFO  L495      AbstractCegarLoop]: Abstraction has 30421 states and 50702 transitions.
[2023-11-29 01:28:19,079 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 607.0) internal successors, (3035), 5 states have internal predecessors, (3035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:19,079 INFO  L276                IsEmpty]: Start isEmpty. Operand 30421 states and 50702 transitions.
[2023-11-29 01:28:19,121 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3037
[2023-11-29 01:28:19,121 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:28:19,122 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:28:19,122 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-29 01:28:19,123 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:28:19,123 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:28:19,124 INFO  L85        PathProgramCache]: Analyzing trace with hash -871199114, now seen corresponding path program 1 times
[2023-11-29 01:28:19,124 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:28:19,124 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693926170]
[2023-11-29 01:28:19,124 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:28:19,124 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:28:20,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:28:26,758 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:28:26,759 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:28:26,759 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693926170]
[2023-11-29 01:28:26,759 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693926170] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:28:26,759 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:28:26,759 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:28:26,759 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882646638]
[2023-11-29 01:28:26,759 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:28:26,762 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:28:26,762 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:28:26,764 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:28:26,764 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:28:26,765 INFO  L87              Difference]: Start difference. First operand 30421 states and 50702 transitions. Second operand  has 5 states, 5 states have (on average 607.2) internal successors, (3036), 5 states have internal predecessors, (3036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:28,009 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:28:28,009 INFO  L93              Difference]: Finished difference Result 84843 states and 141413 transitions.
[2023-11-29 01:28:28,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:28:28,011 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 607.2) internal successors, (3036), 5 states have internal predecessors, (3036), 0 states have call successors, (0), 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 3036
[2023-11-29 01:28:28,014 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:28:28,055 INFO  L225             Difference]: With dead ends: 84843
[2023-11-29 01:28:28,055 INFO  L226             Difference]: Without dead ends: 57623
[2023-11-29 01:28:28,076 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:28:28,076 INFO  L413           NwaCegarLoop]: 52884 mSDtfsCounter, 45337 mSDsluCounter, 145122 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45337 SdHoareTripleChecker+Valid, 198006 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-29 01:28:28,077 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45337 Valid, 198006 Invalid, 23 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-29 01:28:28,129 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57623 states.
[2023-11-29 01:28:28,441 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57623 to 30423.
[2023-11-29 01:28:28,467 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30423 states, 30422 states have (on average 1.666688580632437) internal successors, (50704), 30422 states have internal predecessors, (50704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:28,501 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30423 states to 30423 states and 50704 transitions.
[2023-11-29 01:28:28,501 INFO  L78                 Accepts]: Start accepts. Automaton has 30423 states and 50704 transitions. Word has length 3036
[2023-11-29 01:28:28,504 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:28:28,504 INFO  L495      AbstractCegarLoop]: Abstraction has 30423 states and 50704 transitions.
[2023-11-29 01:28:28,505 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 607.2) internal successors, (3036), 5 states have internal predecessors, (3036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:28,505 INFO  L276                IsEmpty]: Start isEmpty. Operand 30423 states and 50704 transitions.
[2023-11-29 01:28:28,614 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3038
[2023-11-29 01:28:28,614 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:28:28,615 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:28:28,616 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-29 01:28:28,616 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:28:28,616 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:28:28,617 INFO  L85        PathProgramCache]: Analyzing trace with hash -1338716040, now seen corresponding path program 1 times
[2023-11-29 01:28:28,617 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:28:28,617 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293615086]
[2023-11-29 01:28:28,618 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:28:28,618 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:28:29,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:28:35,018 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:28:35,018 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:28:35,018 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293615086]
[2023-11-29 01:28:35,018 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293615086] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:28:35,018 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:28:35,019 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:28:35,019 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476804194]
[2023-11-29 01:28:35,019 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:28:35,022 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:28:35,022 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:28:35,024 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:28:35,024 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:28:35,025 INFO  L87              Difference]: Start difference. First operand 30423 states and 50704 transitions. Second operand  has 4 states, 4 states have (on average 759.25) internal successors, (3037), 4 states have internal predecessors, (3037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:35,999 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:28:35,999 INFO  L93              Difference]: Finished difference Result 84846 states and 141414 transitions.
[2023-11-29 01:28:36,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:28:36,000 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 759.25) internal successors, (3037), 4 states have internal predecessors, (3037), 0 states have call successors, (0), 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 3037
[2023-11-29 01:28:36,003 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:28:36,036 INFO  L225             Difference]: With dead ends: 84846
[2023-11-29 01:28:36,036 INFO  L226             Difference]: Without dead ends: 57624
[2023-11-29 01:28:36,051 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:28:36,051 INFO  L413           NwaCegarLoop]: 52879 mSDtfsCounter, 45334 mSDsluCounter, 99781 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45334 SdHoareTripleChecker+Valid, 152660 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:28:36,051 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45334 Valid, 152660 Invalid, 19 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:28:36,097 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57624 states.
[2023-11-29 01:28:36,380 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57624 to 30425.
[2023-11-29 01:28:36,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30425 states, 30424 states have (on average 1.6666447541414673) internal successors, (50706), 30424 states have internal predecessors, (50706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:36,440 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30425 states to 30425 states and 50706 transitions.
[2023-11-29 01:28:36,441 INFO  L78                 Accepts]: Start accepts. Automaton has 30425 states and 50706 transitions. Word has length 3037
[2023-11-29 01:28:36,443 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:28:36,443 INFO  L495      AbstractCegarLoop]: Abstraction has 30425 states and 50706 transitions.
[2023-11-29 01:28:36,443 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 759.25) internal successors, (3037), 4 states have internal predecessors, (3037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:28:36,443 INFO  L276                IsEmpty]: Start isEmpty. Operand 30425 states and 50706 transitions.
[2023-11-29 01:28:36,485 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3039
[2023-11-29 01:28:36,486 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:28:36,487 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:28:36,487 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-29 01:28:36,487 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:28:36,488 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:28:36,489 INFO  L85        PathProgramCache]: Analyzing trace with hash 1340687822, now seen corresponding path program 1 times
[2023-11-29 01:28:36,489 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:28:36,489 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134430942]
[2023-11-29 01:28:36,489 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:28:36,489 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:28:38,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:28:44,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:28:44,903 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:28:44,903 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134430942]
[2023-11-29 01:28:44,903 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134430942] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:28:44,903 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:28:44,903 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:28:44,903 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793296446]
[2023-11-29 01:28:44,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:28:44,905 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-29 01:28:44,905 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:28:44,908 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-29 01:28:44,908 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:28:44,909 INFO  L87              Difference]: Start difference. First operand 30425 states and 50706 transitions. Second operand  has 6 states, 6 states have (on average 506.3333333333333) internal successors, (3038), 5 states have internal predecessors, (3038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:17,121 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:29:17,122 INFO  L93              Difference]: Finished difference Result 83854 states and 139547 transitions.
[2023-11-29 01:29:17,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-29 01:29:17,123 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 506.3333333333333) internal successors, (3038), 5 states have internal predecessors, (3038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3038
[2023-11-29 01:29:17,125 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:29:17,158 INFO  L225             Difference]: With dead ends: 83854
[2023-11-29 01:29:17,158 INFO  L226             Difference]: Without dead ends: 56630
[2023-11-29 01:29:17,171 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2023-11-29 01:29:17,172 INFO  L413           NwaCegarLoop]: 38222 mSDtfsCounter, 136111 mSDsluCounter, 118761 mSDsCounter, 0 mSdLazyCounter, 34414 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136111 SdHoareTripleChecker+Valid, 156983 SdHoareTripleChecker+Invalid, 35038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 34414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time
[2023-11-29 01:29:17,172 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [136111 Valid, 156983 Invalid, 35038 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [624 Valid, 34414 Invalid, 0 Unknown, 0 Unchecked, 30.5s Time]
[2023-11-29 01:29:17,219 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56630 states.
[2023-11-29 01:29:17,500 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56630 to 30431.
[2023-11-29 01:29:17,525 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30431 states, 30430 states have (on average 1.6666118961551102) internal successors, (50715), 30430 states have internal predecessors, (50715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:17,556 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30431 states to 30431 states and 50715 transitions.
[2023-11-29 01:29:17,557 INFO  L78                 Accepts]: Start accepts. Automaton has 30431 states and 50715 transitions. Word has length 3038
[2023-11-29 01:29:17,558 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:29:17,558 INFO  L495      AbstractCegarLoop]: Abstraction has 30431 states and 50715 transitions.
[2023-11-29 01:29:17,558 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 506.3333333333333) internal successors, (3038), 5 states have internal predecessors, (3038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:17,558 INFO  L276                IsEmpty]: Start isEmpty. Operand 30431 states and 50715 transitions.
[2023-11-29 01:29:17,600 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3040
[2023-11-29 01:29:17,601 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:29:17,602 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:29:17,602 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-29 01:29:17,602 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:29:17,603 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:29:17,603 INFO  L85        PathProgramCache]: Analyzing trace with hash 950458096, now seen corresponding path program 1 times
[2023-11-29 01:29:17,603 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:29:17,604 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414263480]
[2023-11-29 01:29:17,604 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:29:17,604 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:29:18,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:29:24,080 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:29:24,081 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:29:24,081 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414263480]
[2023-11-29 01:29:24,081 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414263480] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:29:24,081 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:29:24,081 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:29:24,082 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471335491]
[2023-11-29 01:29:24,082 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:29:24,085 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:29:24,085 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:29:24,087 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:29:24,087 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:29:24,088 INFO  L87              Difference]: Start difference. First operand 30431 states and 50715 transitions. Second operand  has 5 states, 5 states have (on average 607.8) internal successors, (3039), 5 states have internal predecessors, (3039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:25,291 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:29:25,291 INFO  L93              Difference]: Finished difference Result 84855 states and 141424 transitions.
[2023-11-29 01:29:25,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:29:25,292 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 607.8) internal successors, (3039), 5 states have internal predecessors, (3039), 0 states have call successors, (0), 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 3039
[2023-11-29 01:29:25,294 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:29:25,321 INFO  L225             Difference]: With dead ends: 84855
[2023-11-29 01:29:25,321 INFO  L226             Difference]: Without dead ends: 57631
[2023-11-29 01:29:25,331 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:29:25,332 INFO  L413           NwaCegarLoop]: 52873 mSDtfsCounter, 45331 mSDsluCounter, 145105 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45331 SdHoareTripleChecker+Valid, 197978 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:29:25,332 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45331 Valid, 197978 Invalid, 23 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:29:25,372 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57631 states.
[2023-11-29 01:29:25,631 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57631 to 30433.
[2023-11-29 01:29:25,656 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30433 states, 30432 states have (on average 1.6665680862250263) internal successors, (50717), 30432 states have internal predecessors, (50717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:25,687 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30433 states to 30433 states and 50717 transitions.
[2023-11-29 01:29:25,688 INFO  L78                 Accepts]: Start accepts. Automaton has 30433 states and 50717 transitions. Word has length 3039
[2023-11-29 01:29:25,689 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:29:25,689 INFO  L495      AbstractCegarLoop]: Abstraction has 30433 states and 50717 transitions.
[2023-11-29 01:29:25,689 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 607.8) internal successors, (3039), 5 states have internal predecessors, (3039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:25,690 INFO  L276                IsEmpty]: Start isEmpty. Operand 30433 states and 50717 transitions.
[2023-11-29 01:29:25,731 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3041
[2023-11-29 01:29:25,731 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:29:25,733 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:29:25,733 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-29 01:29:25,733 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:29:25,734 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:29:25,734 INFO  L85        PathProgramCache]: Analyzing trace with hash 1027589756, now seen corresponding path program 1 times
[2023-11-29 01:29:25,734 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:29:25,735 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150677371]
[2023-11-29 01:29:25,735 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:29:25,735 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:29:26,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:29:32,486 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:29:32,486 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:29:32,487 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150677371]
[2023-11-29 01:29:32,487 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150677371] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:29:32,487 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:29:32,487 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:29:32,487 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930259739]
[2023-11-29 01:29:32,487 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:29:32,489 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:29:32,489 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:29:32,492 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:29:32,492 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:29:32,493 INFO  L87              Difference]: Start difference. First operand 30433 states and 50717 transitions. Second operand  has 5 states, 5 states have (on average 608.0) internal successors, (3040), 5 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:33,529 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:29:33,529 INFO  L93              Difference]: Finished difference Result 84858 states and 141425 transitions.
[2023-11-29 01:29:33,530 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:29:33,530 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 608.0) internal successors, (3040), 5 states have internal predecessors, (3040), 0 states have call successors, (0), 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 3040
[2023-11-29 01:29:33,532 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:29:33,569 INFO  L225             Difference]: With dead ends: 84858
[2023-11-29 01:29:33,569 INFO  L226             Difference]: Without dead ends: 57632
[2023-11-29 01:29:33,588 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:29:33,589 INFO  L413           NwaCegarLoop]: 52868 mSDtfsCounter, 45328 mSDsluCounter, 145097 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45328 SdHoareTripleChecker+Valid, 197965 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:29:33,589 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45328 Valid, 197965 Invalid, 23 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:29:33,641 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57632 states.
[2023-11-29 01:29:33,936 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57632 to 30435.
[2023-11-29 01:29:33,963 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30435 states, 30434 states have (on average 1.666524282052967) internal successors, (50719), 30434 states have internal predecessors, (50719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:33,996 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30435 states to 30435 states and 50719 transitions.
[2023-11-29 01:29:33,996 INFO  L78                 Accepts]: Start accepts. Automaton has 30435 states and 50719 transitions. Word has length 3040
[2023-11-29 01:29:33,997 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:29:33,998 INFO  L495      AbstractCegarLoop]: Abstraction has 30435 states and 50719 transitions.
[2023-11-29 01:29:33,998 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 608.0) internal successors, (3040), 5 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:33,998 INFO  L276                IsEmpty]: Start isEmpty. Operand 30435 states and 50719 transitions.
[2023-11-29 01:29:34,040 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3042
[2023-11-29 01:29:34,040 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:29:34,041 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:29:34,042 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-11-29 01:29:34,042 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:29:34,042 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:29:34,043 INFO  L85        PathProgramCache]: Analyzing trace with hash -1231858038, now seen corresponding path program 1 times
[2023-11-29 01:29:34,043 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:29:34,043 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184914274]
[2023-11-29 01:29:34,043 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:29:34,043 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:29:35,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:29:40,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:29:40,577 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:29:40,577 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184914274]
[2023-11-29 01:29:40,577 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184914274] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:29:40,577 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:29:40,577 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:29:40,577 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751920974]
[2023-11-29 01:29:40,578 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:29:40,579 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:29:40,580 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:29:40,582 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:29:40,582 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:29:40,583 INFO  L87              Difference]: Start difference. First operand 30435 states and 50719 transitions. Second operand  has 5 states, 5 states have (on average 608.2) internal successors, (3041), 5 states have internal predecessors, (3041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:41,691 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:29:41,691 INFO  L93              Difference]: Finished difference Result 84861 states and 141426 transitions.
[2023-11-29 01:29:41,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:29:41,693 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 608.2) internal successors, (3041), 5 states have internal predecessors, (3041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3041
[2023-11-29 01:29:41,695 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:29:41,824 INFO  L225             Difference]: With dead ends: 84861
[2023-11-29 01:29:41,824 INFO  L226             Difference]: Without dead ends: 57633
[2023-11-29 01:29:41,833 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:29:41,834 INFO  L413           NwaCegarLoop]: 52863 mSDtfsCounter, 45325 mSDsluCounter, 152625 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45325 SdHoareTripleChecker+Valid, 205488 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-29 01:29:41,834 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45325 Valid, 205488 Invalid, 27 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-29 01:29:41,873 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57633 states.
[2023-11-29 01:29:42,126 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57633 to 30437.
[2023-11-29 01:29:42,151 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30437 states, 30436 states have (on average 1.6664804836377973) internal successors, (50721), 30436 states have internal predecessors, (50721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:42,183 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30437 states to 30437 states and 50721 transitions.
[2023-11-29 01:29:42,183 INFO  L78                 Accepts]: Start accepts. Automaton has 30437 states and 50721 transitions. Word has length 3041
[2023-11-29 01:29:42,184 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:29:42,184 INFO  L495      AbstractCegarLoop]: Abstraction has 30437 states and 50721 transitions.
[2023-11-29 01:29:42,185 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 608.2) internal successors, (3041), 5 states have internal predecessors, (3041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:42,185 INFO  L276                IsEmpty]: Start isEmpty. Operand 30437 states and 50721 transitions.
[2023-11-29 01:29:42,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3043
[2023-11-29 01:29:42,225 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:29:42,226 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:29:42,226 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2023-11-29 01:29:42,227 INFO  L420      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:29:42,227 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:29:42,228 INFO  L85        PathProgramCache]: Analyzing trace with hash -1661217760, now seen corresponding path program 1 times
[2023-11-29 01:29:42,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:29:42,228 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326766876]
[2023-11-29 01:29:42,228 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:29:42,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:29:43,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:29:48,507 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:29:48,507 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:29:48,507 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326766876]
[2023-11-29 01:29:48,507 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326766876] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:29:48,507 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:29:48,507 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:29:48,508 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208169642]
[2023-11-29 01:29:48,508 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:29:48,510 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:29:48,510 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:29:48,512 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:29:48,512 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:29:48,513 INFO  L87              Difference]: Start difference. First operand 30437 states and 50721 transitions. Second operand  has 4 states, 4 states have (on average 760.5) internal successors, (3042), 4 states have internal predecessors, (3042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:49,366 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:29:49,367 INFO  L93              Difference]: Finished difference Result 84864 states and 141427 transitions.
[2023-11-29 01:29:49,367 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:29:49,367 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 760.5) internal successors, (3042), 4 states have internal predecessors, (3042), 0 states have call successors, (0), 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 3042
[2023-11-29 01:29:49,370 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:29:49,413 INFO  L225             Difference]: With dead ends: 84864
[2023-11-29 01:29:49,413 INFO  L226             Difference]: Without dead ends: 57634
[2023-11-29 01:29:49,433 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:29:49,433 INFO  L413           NwaCegarLoop]: 52858 mSDtfsCounter, 45322 mSDsluCounter, 99760 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45322 SdHoareTripleChecker+Valid, 152618 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-29 01:29:49,433 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45322 Valid, 152618 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-29 01:29:49,480 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57634 states.
[2023-11-29 01:29:49,765 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57634 to 30439.
[2023-11-29 01:29:49,790 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30439 states, 30438 states have (on average 1.6664366909783823) internal successors, (50723), 30438 states have internal predecessors, (50723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:49,831 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30439 states to 30439 states and 50723 transitions.
[2023-11-29 01:29:49,832 INFO  L78                 Accepts]: Start accepts. Automaton has 30439 states and 50723 transitions. Word has length 3042
[2023-11-29 01:29:49,833 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:29:49,833 INFO  L495      AbstractCegarLoop]: Abstraction has 30439 states and 50723 transitions.
[2023-11-29 01:29:49,834 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 760.5) internal successors, (3042), 4 states have internal predecessors, (3042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:49,834 INFO  L276                IsEmpty]: Start isEmpty. Operand 30439 states and 50723 transitions.
[2023-11-29 01:29:49,874 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3044
[2023-11-29 01:29:49,874 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:29:49,875 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:29:49,875 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2023-11-29 01:29:49,875 INFO  L420      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:29:49,876 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:29:49,876 INFO  L85        PathProgramCache]: Analyzing trace with hash -494953374, now seen corresponding path program 1 times
[2023-11-29 01:29:49,876 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:29:49,876 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721209556]
[2023-11-29 01:29:49,877 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:29:49,877 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:29:50,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:29:55,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:29:55,945 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:29:55,946 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721209556]
[2023-11-29 01:29:55,946 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721209556] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:29:55,946 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:29:55,947 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:29:55,947 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119358069]
[2023-11-29 01:29:55,947 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:29:55,950 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:29:55,950 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:29:55,953 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:29:55,953 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:29:55,954 INFO  L87              Difference]: Start difference. First operand 30439 states and 50723 transitions. Second operand  has 4 states, 4 states have (on average 760.75) internal successors, (3043), 4 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:56,849 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:29:56,849 INFO  L93              Difference]: Finished difference Result 84867 states and 141428 transitions.
[2023-11-29 01:29:56,850 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:29:56,850 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 760.75) internal successors, (3043), 4 states have internal predecessors, (3043), 0 states have call successors, (0), 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 3043
[2023-11-29 01:29:56,852 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:29:56,884 INFO  L225             Difference]: With dead ends: 84867
[2023-11-29 01:29:56,884 INFO  L226             Difference]: Without dead ends: 57635
[2023-11-29 01:29:56,896 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:29:56,897 INFO  L413           NwaCegarLoop]: 52853 mSDtfsCounter, 45319 mSDsluCounter, 99755 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45319 SdHoareTripleChecker+Valid, 152608 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:29:56,897 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45319 Valid, 152608 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:29:56,940 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57635 states.
[2023-11-29 01:29:57,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57635 to 30441.
[2023-11-29 01:29:57,225 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30441 states, 30440 states have (on average 1.6663929040735874) internal successors, (50725), 30440 states have internal predecessors, (50725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:57,256 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30441 states to 30441 states and 50725 transitions.
[2023-11-29 01:29:57,257 INFO  L78                 Accepts]: Start accepts. Automaton has 30441 states and 50725 transitions. Word has length 3043
[2023-11-29 01:29:57,258 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:29:57,258 INFO  L495      AbstractCegarLoop]: Abstraction has 30441 states and 50725 transitions.
[2023-11-29 01:29:57,259 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 760.75) internal successors, (3043), 4 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:29:57,259 INFO  L276                IsEmpty]: Start isEmpty. Operand 30441 states and 50725 transitions.
[2023-11-29 01:29:57,299 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3045
[2023-11-29 01:29:57,299 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:29:57,300 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:29:57,300 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2023-11-29 01:29:57,300 INFO  L420      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:29:57,300 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:29:57,301 INFO  L85        PathProgramCache]: Analyzing trace with hash 916163462, now seen corresponding path program 1 times
[2023-11-29 01:29:57,302 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:29:57,302 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218898822]
[2023-11-29 01:29:57,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:29:57,302 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:29:58,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:30:03,921 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:30:03,921 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:30:03,921 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218898822]
[2023-11-29 01:30:03,921 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218898822] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:30:03,921 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:30:03,921 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:30:03,922 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921012115]
[2023-11-29 01:30:03,922 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:30:03,924 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:30:03,924 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:30:03,926 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:30:03,926 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:30:03,927 INFO  L87              Difference]: Start difference. First operand 30441 states and 50725 transitions. Second operand  has 5 states, 5 states have (on average 608.8) internal successors, (3044), 5 states have internal predecessors, (3044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:05,036 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:30:05,036 INFO  L93              Difference]: Finished difference Result 84870 states and 141429 transitions.
[2023-11-29 01:30:05,036 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:30:05,037 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 608.8) internal successors, (3044), 5 states have internal predecessors, (3044), 0 states have call successors, (0), 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 3044
[2023-11-29 01:30:05,040 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:30:05,092 INFO  L225             Difference]: With dead ends: 84870
[2023-11-29 01:30:05,092 INFO  L226             Difference]: Without dead ends: 57636
[2023-11-29 01:30:05,117 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:30:05,118 INFO  L413           NwaCegarLoop]: 52848 mSDtfsCounter, 45316 mSDsluCounter, 145065 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45316 SdHoareTripleChecker+Valid, 197913 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:30:05,118 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45316 Valid, 197913 Invalid, 23 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:30:05,180 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57636 states.
[2023-11-29 01:30:05,514 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57636 to 30443.
[2023-11-29 01:30:05,540 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30443 states, 30442 states have (on average 1.6663491229222784) internal successors, (50727), 30442 states have internal predecessors, (50727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:05,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30443 states to 30443 states and 50727 transitions.
[2023-11-29 01:30:05,573 INFO  L78                 Accepts]: Start accepts. Automaton has 30443 states and 50727 transitions. Word has length 3044
[2023-11-29 01:30:05,574 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:30:05,575 INFO  L495      AbstractCegarLoop]: Abstraction has 30443 states and 50727 transitions.
[2023-11-29 01:30:05,575 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 608.8) internal successors, (3044), 5 states have internal predecessors, (3044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:05,575 INFO  L276                IsEmpty]: Start isEmpty. Operand 30443 states and 50727 transitions.
[2023-11-29 01:30:05,616 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3046
[2023-11-29 01:30:05,616 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:30:05,617 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:30:05,617 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2023-11-29 01:30:05,617 INFO  L420      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:30:05,617 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:30:05,618 INFO  L85        PathProgramCache]: Analyzing trace with hash 1924511740, now seen corresponding path program 1 times
[2023-11-29 01:30:05,618 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:30:05,618 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943283004]
[2023-11-29 01:30:05,619 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:30:05,619 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:30:06,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:30:11,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:30:11,668 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:30:11,668 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943283004]
[2023-11-29 01:30:11,668 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943283004] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:30:11,668 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:30:11,669 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:30:11,669 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327580194]
[2023-11-29 01:30:11,669 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:30:11,673 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:30:11,673 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:30:11,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:30:11,676 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:30:11,677 INFO  L87              Difference]: Start difference. First operand 30443 states and 50727 transitions. Second operand  has 4 states, 4 states have (on average 761.25) internal successors, (3045), 4 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:12,519 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:30:12,519 INFO  L93              Difference]: Finished difference Result 84873 states and 141430 transitions.
[2023-11-29 01:30:12,519 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:30:12,520 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 761.25) internal successors, (3045), 4 states have internal predecessors, (3045), 0 states have call successors, (0), 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 3045
[2023-11-29 01:30:12,523 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:30:12,562 INFO  L225             Difference]: With dead ends: 84873
[2023-11-29 01:30:12,562 INFO  L226             Difference]: Without dead ends: 57637
[2023-11-29 01:30:12,582 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:30:12,583 INFO  L413           NwaCegarLoop]: 52843 mSDtfsCounter, 45313 mSDsluCounter, 99745 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45313 SdHoareTripleChecker+Valid, 152588 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:30:12,583 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45313 Valid, 152588 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:30:12,638 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57637 states.
[2023-11-29 01:30:13,004 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57637 to 30445.
[2023-11-29 01:30:13,029 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30445 states, 30444 states have (on average 1.6663053475233216) internal successors, (50729), 30444 states have internal predecessors, (50729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:13,061 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30445 states to 30445 states and 50729 transitions.
[2023-11-29 01:30:13,061 INFO  L78                 Accepts]: Start accepts. Automaton has 30445 states and 50729 transitions. Word has length 3045
[2023-11-29 01:30:13,062 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:30:13,063 INFO  L495      AbstractCegarLoop]: Abstraction has 30445 states and 50729 transitions.
[2023-11-29 01:30:13,063 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 761.25) internal successors, (3045), 4 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:13,063 INFO  L276                IsEmpty]: Start isEmpty. Operand 30445 states and 50729 transitions.
[2023-11-29 01:30:13,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3047
[2023-11-29 01:30:13,103 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:30:13,105 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:30:13,105 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2023-11-29 01:30:13,105 INFO  L420      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:30:13,105 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:30:13,106 INFO  L85        PathProgramCache]: Analyzing trace with hash 1579446314, now seen corresponding path program 1 times
[2023-11-29 01:30:13,106 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:30:13,106 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595851127]
[2023-11-29 01:30:13,106 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:30:13,106 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:30:14,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:30:19,739 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:30:19,740 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:30:19,740 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595851127]
[2023-11-29 01:30:19,740 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595851127] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:30:19,740 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:30:19,741 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:30:19,741 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80982755]
[2023-11-29 01:30:19,741 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:30:19,744 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:30:19,744 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:30:19,747 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:30:19,747 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:30:19,748 INFO  L87              Difference]: Start difference. First operand 30445 states and 50729 transitions. Second operand  has 4 states, 4 states have (on average 761.5) internal successors, (3046), 4 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:20,652 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:30:20,652 INFO  L93              Difference]: Finished difference Result 84876 states and 141431 transitions.
[2023-11-29 01:30:20,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:30:20,653 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 761.5) internal successors, (3046), 4 states have internal predecessors, (3046), 0 states have call successors, (0), 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 3046
[2023-11-29 01:30:20,655 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:30:20,691 INFO  L225             Difference]: With dead ends: 84876
[2023-11-29 01:30:20,691 INFO  L226             Difference]: Without dead ends: 57638
[2023-11-29 01:30:20,708 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:30:20,708 INFO  L413           NwaCegarLoop]: 52838 mSDtfsCounter, 45310 mSDsluCounter, 99740 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45310 SdHoareTripleChecker+Valid, 152578 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:30:20,708 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45310 Valid, 152578 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:30:20,754 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57638 states.
[2023-11-29 01:30:21,040 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57638 to 30447.
[2023-11-29 01:30:21,065 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30447 states, 30446 states have (on average 1.666261577875583) internal successors, (50731), 30446 states have internal predecessors, (50731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:21,096 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30447 states to 30447 states and 50731 transitions.
[2023-11-29 01:30:21,096 INFO  L78                 Accepts]: Start accepts. Automaton has 30447 states and 50731 transitions. Word has length 3046
[2023-11-29 01:30:21,098 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:30:21,098 INFO  L495      AbstractCegarLoop]: Abstraction has 30447 states and 50731 transitions.
[2023-11-29 01:30:21,098 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 761.5) internal successors, (3046), 4 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:21,098 INFO  L276                IsEmpty]: Start isEmpty. Operand 30447 states and 50731 transitions.
[2023-11-29 01:30:21,141 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3048
[2023-11-29 01:30:21,141 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:30:21,143 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:30:21,143 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2023-11-29 01:30:21,143 INFO  L420      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:30:21,144 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:30:21,144 INFO  L85        PathProgramCache]: Analyzing trace with hash 1852665044, now seen corresponding path program 1 times
[2023-11-29 01:30:21,145 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:30:21,145 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299019660]
[2023-11-29 01:30:21,145 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:30:21,145 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:30:23,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:30:30,054 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:30:30,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:30:30,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299019660]
[2023-11-29 01:30:30,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299019660] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:30:30,055 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:30:30,056 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:30:30,056 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071716155]
[2023-11-29 01:30:30,056 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:30:30,059 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:30:30,059 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:30:30,062 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:30:30,062 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:30:30,063 INFO  L87              Difference]: Start difference. First operand 30447 states and 50731 transitions. Second operand  has 5 states, 5 states have (on average 609.4) internal successors, (3047), 4 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:59,289 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:30:59,289 INFO  L93              Difference]: Finished difference Result 82654 states and 137723 transitions.
[2023-11-29 01:30:59,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:30:59,290 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 609.4) internal successors, (3047), 4 states have internal predecessors, (3047), 0 states have call successors, (0), 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 3047
[2023-11-29 01:30:59,291 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:30:59,328 INFO  L225             Difference]: With dead ends: 82654
[2023-11-29 01:30:59,328 INFO  L226             Difference]: Without dead ends: 55414
[2023-11-29 01:30:59,348 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-29 01:30:59,348 INFO  L413           NwaCegarLoop]: 35618 mSDtfsCounter, 135484 mSDsluCounter, 71229 mSDsCounter, 0 mSdLazyCounter, 33894 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135484 SdHoareTripleChecker+Valid, 106847 SdHoareTripleChecker+Invalid, 33894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time
[2023-11-29 01:30:59,349 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [135484 Valid, 106847 Invalid, 33894 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [0 Valid, 33894 Invalid, 0 Unknown, 0 Unchecked, 27.9s Time]
[2023-11-29 01:30:59,398 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55414 states.
[2023-11-29 01:30:59,693 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55414 to 30448.
[2023-11-29 01:30:59,720 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30448 states, 30447 states have (on average 1.6662396952080665) internal successors, (50732), 30447 states have internal predecessors, (50732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:59,752 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30448 states to 30448 states and 50732 transitions.
[2023-11-29 01:30:59,753 INFO  L78                 Accepts]: Start accepts. Automaton has 30448 states and 50732 transitions. Word has length 3047
[2023-11-29 01:30:59,754 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:30:59,754 INFO  L495      AbstractCegarLoop]: Abstraction has 30448 states and 50732 transitions.
[2023-11-29 01:30:59,754 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 609.4) internal successors, (3047), 4 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:30:59,754 INFO  L276                IsEmpty]: Start isEmpty. Operand 30448 states and 50732 transitions.
[2023-11-29 01:30:59,846 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3048
[2023-11-29 01:30:59,847 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:30:59,847 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:30:59,848 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2023-11-29 01:30:59,848 INFO  L420      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:30:59,850 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:30:59,851 INFO  L85        PathProgramCache]: Analyzing trace with hash 1439903506, now seen corresponding path program 1 times
[2023-11-29 01:30:59,851 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:30:59,851 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842194002]
[2023-11-29 01:30:59,851 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:30:59,851 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:31:00,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:31:06,740 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:31:06,740 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:31:06,740 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842194002]
[2023-11-29 01:31:06,740 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842194002] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:31:06,740 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:31:06,741 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:31:06,741 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106507020]
[2023-11-29 01:31:06,741 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:31:06,743 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:31:06,743 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:31:06,744 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:31:06,745 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:31:06,745 INFO  L87              Difference]: Start difference. First operand 30448 states and 50732 transitions. Second operand  has 4 states, 4 states have (on average 761.75) internal successors, (3047), 4 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:07,671 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:31:07,671 INFO  L93              Difference]: Finished difference Result 84880 states and 141433 transitions.
[2023-11-29 01:31:07,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:31:07,672 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 761.75) internal successors, (3047), 4 states have internal predecessors, (3047), 0 states have call successors, (0), 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 3047
[2023-11-29 01:31:07,674 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:31:07,705 INFO  L225             Difference]: With dead ends: 84880
[2023-11-29 01:31:07,706 INFO  L226             Difference]: Without dead ends: 57640
[2023-11-29 01:31:07,716 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:31:07,717 INFO  L413           NwaCegarLoop]: 52832 mSDtfsCounter, 45307 mSDsluCounter, 99734 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45307 SdHoareTripleChecker+Valid, 152566 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:31:07,717 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45307 Valid, 152566 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:31:07,759 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57640 states.
[2023-11-29 01:31:08,032 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57640 to 30450.
[2023-11-29 01:31:08,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30450 states, 30449 states have (on average 1.6661959341850308) internal successors, (50734), 30449 states have internal predecessors, (50734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:08,089 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30450 states to 30450 states and 50734 transitions.
[2023-11-29 01:31:08,089 INFO  L78                 Accepts]: Start accepts. Automaton has 30450 states and 50734 transitions. Word has length 3047
[2023-11-29 01:31:08,090 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:31:08,090 INFO  L495      AbstractCegarLoop]: Abstraction has 30450 states and 50734 transitions.
[2023-11-29 01:31:08,091 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 761.75) internal successors, (3047), 4 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:08,091 INFO  L276                IsEmpty]: Start isEmpty. Operand 30450 states and 50734 transitions.
[2023-11-29 01:31:08,130 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3049
[2023-11-29 01:31:08,131 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:31:08,131 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-11-29 01:31:08,131 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2023-11-29 01:31:08,132 INFO  L420      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:31:08,132 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:31:08,132 INFO  L85        PathProgramCache]: Analyzing trace with hash -979259118, now seen corresponding path program 1 times
[2023-11-29 01:31:08,132 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:31:08,132 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456055625]
[2023-11-29 01:31:08,133 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:31:08,133 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:31:09,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:31:14,863 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:31:14,864 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:31:14,864 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456055625]
[2023-11-29 01:31:14,864 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456055625] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:31:14,864 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:31:14,864 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:31:14,865 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860275535]
[2023-11-29 01:31:14,865 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:31:14,866 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:31:14,867 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:31:14,868 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:31:14,868 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:31:14,869 INFO  L87              Difference]: Start difference. First operand 30450 states and 50734 transitions. Second operand  has 5 states, 5 states have (on average 609.6) internal successors, (3048), 5 states have internal predecessors, (3048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:15,958 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:31:15,959 INFO  L93              Difference]: Finished difference Result 84883 states and 141434 transitions.
[2023-11-29 01:31:15,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:31:15,960 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 609.6) internal successors, (3048), 5 states have internal predecessors, (3048), 0 states have call successors, (0), 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 3048
[2023-11-29 01:31:15,962 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:31:16,005 INFO  L225             Difference]: With dead ends: 84883
[2023-11-29 01:31:16,005 INFO  L226             Difference]: Without dead ends: 57641
[2023-11-29 01:31:16,017 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:31:16,018 INFO  L413           NwaCegarLoop]: 52827 mSDtfsCounter, 45304 mSDsluCounter, 145032 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45304 SdHoareTripleChecker+Valid, 197859 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:31:16,018 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45304 Valid, 197859 Invalid, 23 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:31:16,063 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57641 states.
[2023-11-29 01:31:16,410 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57641 to 30452.
[2023-11-29 01:31:16,438 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30452 states, 30451 states have (on average 1.6661521789103806) internal successors, (50736), 30451 states have internal predecessors, (50736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:16,482 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30452 states to 30452 states and 50736 transitions.
[2023-11-29 01:31:16,482 INFO  L78                 Accepts]: Start accepts. Automaton has 30452 states and 50736 transitions. Word has length 3048
[2023-11-29 01:31:16,483 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:31:16,483 INFO  L495      AbstractCegarLoop]: Abstraction has 30452 states and 50736 transitions.
[2023-11-29 01:31:16,484 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 609.6) internal successors, (3048), 5 states have internal predecessors, (3048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:16,484 INFO  L276                IsEmpty]: Start isEmpty. Operand 30452 states and 50736 transitions.
[2023-11-29 01:31:16,568 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3050
[2023-11-29 01:31:16,568 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:31:16,569 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:31:16,569 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2023-11-29 01:31:16,569 INFO  L420      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:31:16,569 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:31:16,570 INFO  L85        PathProgramCache]: Analyzing trace with hash 1745866540, now seen corresponding path program 1 times
[2023-11-29 01:31:16,570 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:31:16,570 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129159443]
[2023-11-29 01:31:16,570 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:31:16,570 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:31:17,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:31:22,993 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:31:22,993 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:31:22,993 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129159443]
[2023-11-29 01:31:22,994 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129159443] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:31:22,994 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:31:22,995 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:31:22,995 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768549691]
[2023-11-29 01:31:22,995 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:31:22,996 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:31:22,997 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:31:22,998 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:31:22,998 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:31:22,999 INFO  L87              Difference]: Start difference. First operand 30452 states and 50736 transitions. Second operand  has 5 states, 5 states have (on average 609.8) internal successors, (3049), 5 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:24,055 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:31:24,055 INFO  L93              Difference]: Finished difference Result 84886 states and 141435 transitions.
[2023-11-29 01:31:24,055 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:31:24,056 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 609.8) internal successors, (3049), 5 states have internal predecessors, (3049), 0 states have call successors, (0), 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 3049
[2023-11-29 01:31:24,058 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:31:24,112 INFO  L225             Difference]: With dead ends: 84886
[2023-11-29 01:31:24,112 INFO  L226             Difference]: Without dead ends: 57642
[2023-11-29 01:31:24,139 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:31:24,139 INFO  L413           NwaCegarLoop]: 52822 mSDtfsCounter, 45301 mSDsluCounter, 152543 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45301 SdHoareTripleChecker+Valid, 205365 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-29 01:31:24,140 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45301 Valid, 205365 Invalid, 27 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-29 01:31:24,200 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57642 states.
[2023-11-29 01:31:24,519 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57642 to 30454.
[2023-11-29 01:31:24,545 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30454 states, 30453 states have (on average 1.6661084293829835) internal successors, (50738), 30453 states have internal predecessors, (50738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:24,578 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30454 states to 30454 states and 50738 transitions.
[2023-11-29 01:31:24,578 INFO  L78                 Accepts]: Start accepts. Automaton has 30454 states and 50738 transitions. Word has length 3049
[2023-11-29 01:31:24,580 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:31:24,580 INFO  L495      AbstractCegarLoop]: Abstraction has 30454 states and 50738 transitions.
[2023-11-29 01:31:24,581 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 609.8) internal successors, (3049), 5 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:24,581 INFO  L276                IsEmpty]: Start isEmpty. Operand 30454 states and 50738 transitions.
[2023-11-29 01:31:24,621 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3051
[2023-11-29 01:31:24,621 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:31:24,622 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:31:24,622 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2023-11-29 01:31:24,622 INFO  L420      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:31:24,622 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:31:24,623 INFO  L85        PathProgramCache]: Analyzing trace with hash 1493374006, now seen corresponding path program 1 times
[2023-11-29 01:31:24,623 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:31:24,623 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493380247]
[2023-11-29 01:31:24,623 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:31:24,623 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:31:25,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:31:30,957 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:31:30,957 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:31:30,957 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493380247]
[2023-11-29 01:31:30,957 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493380247] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:31:30,957 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:31:30,958 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:31:30,958 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461313572]
[2023-11-29 01:31:30,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:31:30,959 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:31:30,959 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:31:30,961 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:31:30,961 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:31:30,962 INFO  L87              Difference]: Start difference. First operand 30454 states and 50738 transitions. Second operand  has 4 states, 4 states have (on average 762.5) internal successors, (3050), 4 states have internal predecessors, (3050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:31,979 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:31:31,979 INFO  L93              Difference]: Finished difference Result 84889 states and 141436 transitions.
[2023-11-29 01:31:31,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:31:31,980 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 762.5) internal successors, (3050), 4 states have internal predecessors, (3050), 0 states have call successors, (0), 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 3050
[2023-11-29 01:31:31,982 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:31:32,018 INFO  L225             Difference]: With dead ends: 84889
[2023-11-29 01:31:32,018 INFO  L226             Difference]: Without dead ends: 57643
[2023-11-29 01:31:32,033 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:31:32,033 INFO  L413           NwaCegarLoop]: 52817 mSDtfsCounter, 45298 mSDsluCounter, 99719 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45298 SdHoareTripleChecker+Valid, 152536 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:31:32,034 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45298 Valid, 152536 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:31:32,084 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57643 states.
[2023-11-29 01:31:32,456 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57643 to 30456.
[2023-11-29 01:31:32,481 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30456 states, 30455 states have (on average 1.6660646856017074) internal successors, (50740), 30455 states have internal predecessors, (50740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:32,525 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30456 states to 30456 states and 50740 transitions.
[2023-11-29 01:31:32,525 INFO  L78                 Accepts]: Start accepts. Automaton has 30456 states and 50740 transitions. Word has length 3050
[2023-11-29 01:31:32,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:31:32,527 INFO  L495      AbstractCegarLoop]: Abstraction has 30456 states and 50740 transitions.
[2023-11-29 01:31:32,528 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 762.5) internal successors, (3050), 4 states have internal predecessors, (3050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:32,528 INFO  L276                IsEmpty]: Start isEmpty. Operand 30456 states and 50740 transitions.
[2023-11-29 01:31:32,574 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3052
[2023-11-29 01:31:32,575 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:31:32,575 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:31:32,575 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2023-11-29 01:31:32,576 INFO  L420      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:31:32,576 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:31:32,577 INFO  L85        PathProgramCache]: Analyzing trace with hash 840121220, now seen corresponding path program 1 times
[2023-11-29 01:31:32,577 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:31:32,577 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759622657]
[2023-11-29 01:31:32,578 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:31:32,578 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:31:33,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:31:39,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:31:39,013 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:31:39,013 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759622657]
[2023-11-29 01:31:39,013 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759622657] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:31:39,013 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:31:39,014 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:31:39,014 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131736685]
[2023-11-29 01:31:39,014 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:31:39,016 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:31:39,016 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:31:39,018 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:31:39,018 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:31:39,018 INFO  L87              Difference]: Start difference. First operand 30456 states and 50740 transitions. Second operand  has 4 states, 4 states have (on average 762.75) internal successors, (3051), 4 states have internal predecessors, (3051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:39,853 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:31:39,853 INFO  L93              Difference]: Finished difference Result 84892 states and 141437 transitions.
[2023-11-29 01:31:39,854 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:31:39,855 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 762.75) internal successors, (3051), 4 states have internal predecessors, (3051), 0 states have call successors, (0), 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 3051
[2023-11-29 01:31:39,856 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:31:39,904 INFO  L225             Difference]: With dead ends: 84892
[2023-11-29 01:31:39,904 INFO  L226             Difference]: Without dead ends: 57644
[2023-11-29 01:31:39,923 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:31:39,923 INFO  L413           NwaCegarLoop]: 52812 mSDtfsCounter, 45295 mSDsluCounter, 99714 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45295 SdHoareTripleChecker+Valid, 152526 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:31:39,924 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45295 Valid, 152526 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:31:39,979 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57644 states.
[2023-11-29 01:31:40,273 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57644 to 30458.
[2023-11-29 01:31:40,298 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30458 states, 30457 states have (on average 1.6660209475654202) internal successors, (50742), 30457 states have internal predecessors, (50742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:40,330 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30458 states to 30458 states and 50742 transitions.
[2023-11-29 01:31:40,330 INFO  L78                 Accepts]: Start accepts. Automaton has 30458 states and 50742 transitions. Word has length 3051
[2023-11-29 01:31:40,332 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:31:40,332 INFO  L495      AbstractCegarLoop]: Abstraction has 30458 states and 50742 transitions.
[2023-11-29 01:31:40,332 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 762.75) internal successors, (3051), 4 states have internal predecessors, (3051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:40,332 INFO  L276                IsEmpty]: Start isEmpty. Operand 30458 states and 50742 transitions.
[2023-11-29 01:31:40,397 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3053
[2023-11-29 01:31:40,397 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:31:40,398 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:31:40,398 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2023-11-29 01:31:40,398 INFO  L420      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:31:40,399 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:31:40,399 INFO  L85        PathProgramCache]: Analyzing trace with hash 1979521820, now seen corresponding path program 1 times
[2023-11-29 01:31:40,399 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:31:40,400 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063282164]
[2023-11-29 01:31:40,400 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:31:40,400 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:31:41,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:31:46,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:31:46,757 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:31:46,757 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063282164]
[2023-11-29 01:31:46,757 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063282164] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:31:46,757 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:31:46,758 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:31:46,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040639974]
[2023-11-29 01:31:46,758 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:31:46,760 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:31:46,760 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:31:46,762 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:31:46,762 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:31:46,763 INFO  L87              Difference]: Start difference. First operand 30458 states and 50742 transitions. Second operand  has 5 states, 5 states have (on average 610.4) internal successors, (3052), 5 states have internal predecessors, (3052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:47,807 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:31:47,807 INFO  L93              Difference]: Finished difference Result 84895 states and 141438 transitions.
[2023-11-29 01:31:47,807 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:31:47,808 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 610.4) internal successors, (3052), 5 states have internal predecessors, (3052), 0 states have call successors, (0), 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 3052
[2023-11-29 01:31:47,810 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:31:47,843 INFO  L225             Difference]: With dead ends: 84895
[2023-11-29 01:31:47,843 INFO  L226             Difference]: Without dead ends: 57645
[2023-11-29 01:31:47,856 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:31:47,857 INFO  L413           NwaCegarLoop]: 52807 mSDtfsCounter, 45292 mSDsluCounter, 145000 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45292 SdHoareTripleChecker+Valid, 197807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:31:47,857 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45292 Valid, 197807 Invalid, 23 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:31:47,907 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57645 states.
[2023-11-29 01:31:48,262 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57645 to 30460.
[2023-11-29 01:31:48,292 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30460 states, 30459 states have (on average 1.66597721527299) internal successors, (50744), 30459 states have internal predecessors, (50744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:48,337 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30460 states to 30460 states and 50744 transitions.
[2023-11-29 01:31:48,338 INFO  L78                 Accepts]: Start accepts. Automaton has 30460 states and 50744 transitions. Word has length 3052
[2023-11-29 01:31:48,339 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:31:48,339 INFO  L495      AbstractCegarLoop]: Abstraction has 30460 states and 50744 transitions.
[2023-11-29 01:31:48,340 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 610.4) internal successors, (3052), 5 states have internal predecessors, (3052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:31:48,340 INFO  L276                IsEmpty]: Start isEmpty. Operand 30460 states and 50744 transitions.
[2023-11-29 01:31:48,381 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3054
[2023-11-29 01:31:48,381 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:31:48,382 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:31:48,382 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2023-11-29 01:31:48,382 INFO  L420      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:31:48,382 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:31:48,382 INFO  L85        PathProgramCache]: Analyzing trace with hash -512084066, now seen corresponding path program 1 times
[2023-11-29 01:31:48,383 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:31:48,383 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464633564]
[2023-11-29 01:31:48,383 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:31:48,383 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:31:50,141 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:31:55,541 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:31:55,542 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:31:55,542 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464633564]
[2023-11-29 01:31:55,542 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464633564] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:31:55,542 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:31:55,542 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:31:55,543 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485652496]
[2023-11-29 01:31:55,543 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:31:55,544 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-29 01:31:55,544 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:31:55,546 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-29 01:31:55,546 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:31:55,546 INFO  L87              Difference]: Start difference. First operand 30460 states and 50744 transitions. Second operand  has 6 states, 6 states have (on average 508.8333333333333) internal successors, (3053), 5 states have internal predecessors, (3053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:32:26,769 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:32:26,769 INFO  L93              Difference]: Finished difference Result 83938 states and 139629 transitions.
[2023-11-29 01:32:26,770 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-29 01:32:26,771 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 508.8333333333333) internal successors, (3053), 5 states have internal predecessors, (3053), 0 states have call successors, (0), 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 3053
[2023-11-29 01:32:26,772 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:32:26,806 INFO  L225             Difference]: With dead ends: 83938
[2023-11-29 01:32:26,807 INFO  L226             Difference]: Without dead ends: 56686
[2023-11-29 01:32:26,819 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2023-11-29 01:32:26,819 INFO  L413           NwaCegarLoop]: 38224 mSDtfsCounter, 136102 mSDsluCounter, 118761 mSDsCounter, 0 mSdLazyCounter, 34412 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136102 SdHoareTripleChecker+Valid, 156985 SdHoareTripleChecker+Invalid, 35036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 34412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time
[2023-11-29 01:32:26,819 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [136102 Valid, 156985 Invalid, 35036 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [624 Valid, 34412 Invalid, 0 Unknown, 0 Unchecked, 29.5s Time]
[2023-11-29 01:32:26,866 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56686 states.
[2023-11-29 01:32:27,148 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56686 to 30465.
[2023-11-29 01:32:27,174 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30465 states, 30464 states have (on average 1.6659335609243697) internal successors, (50751), 30464 states have internal predecessors, (50751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:32:27,208 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30465 states to 30465 states and 50751 transitions.
[2023-11-29 01:32:27,208 INFO  L78                 Accepts]: Start accepts. Automaton has 30465 states and 50751 transitions. Word has length 3053
[2023-11-29 01:32:27,209 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:32:27,209 INFO  L495      AbstractCegarLoop]: Abstraction has 30465 states and 50751 transitions.
[2023-11-29 01:32:27,209 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 508.8333333333333) internal successors, (3053), 5 states have internal predecessors, (3053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:32:27,209 INFO  L276                IsEmpty]: Start isEmpty. Operand 30465 states and 50751 transitions.
[2023-11-29 01:32:27,249 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3055
[2023-11-29 01:32:27,249 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:32:27,250 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:32:27,250 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2023-11-29 01:32:27,250 INFO  L420      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:32:27,250 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:32:27,251 INFO  L85        PathProgramCache]: Analyzing trace with hash -84612428, now seen corresponding path program 1 times
[2023-11-29 01:32:27,251 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:32:27,251 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945660691]
[2023-11-29 01:32:27,251 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:32:27,252 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:32:29,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:32:36,065 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:32:36,066 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:32:36,066 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945660691]
[2023-11-29 01:32:36,066 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945660691] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:32:36,066 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:32:36,067 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:32:36,067 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409795899]
[2023-11-29 01:32:36,067 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:32:36,069 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:32:36,069 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:32:36,071 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:32:36,072 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:32:36,072 INFO  L87              Difference]: Start difference. First operand 30465 states and 50751 transitions. Second operand  has 5 states, 5 states have (on average 610.8) internal successors, (3054), 4 states have internal predecessors, (3054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:04,749 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:33:04,749 INFO  L93              Difference]: Finished difference Result 82690 states and 137757 transitions.
[2023-11-29 01:33:04,749 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:33:04,750 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 610.8) internal successors, (3054), 4 states have internal predecessors, (3054), 0 states have call successors, (0), 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 3054
[2023-11-29 01:33:04,751 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:33:04,779 INFO  L225             Difference]: With dead ends: 82690
[2023-11-29 01:33:04,779 INFO  L226             Difference]: Without dead ends: 55438
[2023-11-29 01:33:04,789 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-29 01:33:04,789 INFO  L413           NwaCegarLoop]: 35618 mSDtfsCounter, 135475 mSDsluCounter, 71229 mSDsCounter, 0 mSdLazyCounter, 33894 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135475 SdHoareTripleChecker+Valid, 106847 SdHoareTripleChecker+Invalid, 33894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time
[2023-11-29 01:33:04,789 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [135475 Valid, 106847 Invalid, 33894 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [0 Valid, 33894 Invalid, 0 Unknown, 0 Unchecked, 27.3s Time]
[2023-11-29 01:33:04,832 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55438 states.
[2023-11-29 01:33:05,093 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55438 to 30466.
[2023-11-29 01:33:05,118 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30466 states, 30465 states have (on average 1.665911701953061) internal successors, (50752), 30465 states have internal predecessors, (50752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:05,149 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30466 states to 30466 states and 50752 transitions.
[2023-11-29 01:33:05,149 INFO  L78                 Accepts]: Start accepts. Automaton has 30466 states and 50752 transitions. Word has length 3054
[2023-11-29 01:33:05,150 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:33:05,150 INFO  L495      AbstractCegarLoop]: Abstraction has 30466 states and 50752 transitions.
[2023-11-29 01:33:05,151 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 610.8) internal successors, (3054), 4 states have internal predecessors, (3054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:05,151 INFO  L276                IsEmpty]: Start isEmpty. Operand 30466 states and 50752 transitions.
[2023-11-29 01:33:05,190 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3055
[2023-11-29 01:33:05,190 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:33:05,191 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:33:05,191 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2023-11-29 01:33:05,191 INFO  L420      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:33:05,191 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:33:05,192 INFO  L85        PathProgramCache]: Analyzing trace with hash -1611459214, now seen corresponding path program 1 times
[2023-11-29 01:33:05,192 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:33:05,192 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948204522]
[2023-11-29 01:33:05,192 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:33:05,192 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:33:06,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:33:11,643 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:33:11,643 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:33:11,644 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948204522]
[2023-11-29 01:33:11,644 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948204522] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:33:11,644 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:33:11,645 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:33:11,645 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676364437]
[2023-11-29 01:33:11,645 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:33:11,647 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:33:11,647 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:33:11,648 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:33:11,648 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:33:11,649 INFO  L87              Difference]: Start difference. First operand 30466 states and 50752 transitions. Second operand  has 5 states, 5 states have (on average 610.8) internal successors, (3054), 5 states have internal predecessors, (3054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:12,759 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:33:12,759 INFO  L93              Difference]: Finished difference Result 84904 states and 141447 transitions.
[2023-11-29 01:33:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:33:12,760 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 610.8) internal successors, (3054), 5 states have internal predecessors, (3054), 0 states have call successors, (0), 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 3054
[2023-11-29 01:33:12,762 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:33:12,796 INFO  L225             Difference]: With dead ends: 84904
[2023-11-29 01:33:12,796 INFO  L226             Difference]: Without dead ends: 57652
[2023-11-29 01:33:12,810 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:33:12,810 INFO  L413           NwaCegarLoop]: 52800 mSDtfsCounter, 45289 mSDsluCounter, 152499 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45289 SdHoareTripleChecker+Valid, 205299 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-29 01:33:12,811 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45289 Valid, 205299 Invalid, 27 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-29 01:33:12,856 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57652 states.
[2023-11-29 01:33:13,128 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57652 to 30468.
[2023-11-29 01:33:13,153 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30468 states, 30467 states have (on average 1.6658679883152263) internal successors, (50754), 30467 states have internal predecessors, (50754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:13,185 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30468 states to 30468 states and 50754 transitions.
[2023-11-29 01:33:13,185 INFO  L78                 Accepts]: Start accepts. Automaton has 30468 states and 50754 transitions. Word has length 3054
[2023-11-29 01:33:13,187 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:33:13,187 INFO  L495      AbstractCegarLoop]: Abstraction has 30468 states and 50754 transitions.
[2023-11-29 01:33:13,187 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 610.8) internal successors, (3054), 5 states have internal predecessors, (3054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:13,187 INFO  L276                IsEmpty]: Start isEmpty. Operand 30468 states and 50754 transitions.
[2023-11-29 01:33:13,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3056
[2023-11-29 01:33:13,227 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:33:13,228 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:33:13,228 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2023-11-29 01:33:13,228 INFO  L420      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:33:13,229 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:33:13,229 INFO  L85        PathProgramCache]: Analyzing trace with hash -2044956180, now seen corresponding path program 1 times
[2023-11-29 01:33:13,229 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:33:13,229 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745937335]
[2023-11-29 01:33:13,230 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:33:13,230 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:33:14,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:33:19,310 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:33:19,311 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:33:19,311 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745937335]
[2023-11-29 01:33:19,311 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745937335] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:33:19,311 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:33:19,312 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:33:19,312 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543585386]
[2023-11-29 01:33:19,312 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:33:19,314 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:33:19,314 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:33:19,315 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:33:19,316 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:33:19,316 INFO  L87              Difference]: Start difference. First operand 30468 states and 50754 transitions. Second operand  has 4 states, 4 states have (on average 763.75) internal successors, (3055), 4 states have internal predecessors, (3055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:20,154 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:33:20,154 INFO  L93              Difference]: Finished difference Result 84907 states and 141448 transitions.
[2023-11-29 01:33:20,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:33:20,155 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 763.75) internal successors, (3055), 4 states have internal predecessors, (3055), 0 states have call successors, (0), 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 3055
[2023-11-29 01:33:20,157 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:33:20,194 INFO  L225             Difference]: With dead ends: 84907
[2023-11-29 01:33:20,194 INFO  L226             Difference]: Without dead ends: 57653
[2023-11-29 01:33:20,211 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:33:20,212 INFO  L413           NwaCegarLoop]: 52795 mSDtfsCounter, 45286 mSDsluCounter, 99697 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45286 SdHoareTripleChecker+Valid, 152492 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:33:20,212 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45286 Valid, 152492 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:33:20,259 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57653 states.
[2023-11-29 01:33:20,545 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57653 to 30470.
[2023-11-29 01:33:20,570 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30470 states, 30469 states have (on average 1.6658242804161607) internal successors, (50756), 30469 states have internal predecessors, (50756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:20,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30470 states to 30470 states and 50756 transitions.
[2023-11-29 01:33:20,602 INFO  L78                 Accepts]: Start accepts. Automaton has 30470 states and 50756 transitions. Word has length 3055
[2023-11-29 01:33:20,603 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:33:20,603 INFO  L495      AbstractCegarLoop]: Abstraction has 30470 states and 50756 transitions.
[2023-11-29 01:33:20,604 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 763.75) internal successors, (3055), 4 states have internal predecessors, (3055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:20,604 INFO  L276                IsEmpty]: Start isEmpty. Operand 30470 states and 50756 transitions.
[2023-11-29 01:33:20,644 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3057
[2023-11-29 01:33:20,644 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:33:20,645 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:33:20,645 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2023-11-29 01:33:20,645 INFO  L420      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:33:20,645 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:33:20,646 INFO  L85        PathProgramCache]: Analyzing trace with hash -1138127926, now seen corresponding path program 1 times
[2023-11-29 01:33:20,646 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:33:20,646 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330120537]
[2023-11-29 01:33:20,646 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:33:20,646 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:33:22,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:33:27,748 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:33:27,748 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:33:27,748 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330120537]
[2023-11-29 01:33:27,748 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330120537] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:33:27,748 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:33:27,749 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:33:27,749 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399577052]
[2023-11-29 01:33:27,749 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:33:27,750 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-29 01:33:27,751 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:33:27,752 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-29 01:33:27,752 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:33:27,753 INFO  L87              Difference]: Start difference. First operand 30470 states and 50756 transitions. Second operand  has 6 states, 6 states have (on average 509.3333333333333) internal successors, (3056), 5 states have internal predecessors, (3056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:47,562 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:33:47,562 INFO  L93              Difference]: Finished difference Result 83950 states and 139639 transitions.
[2023-11-29 01:33:47,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-29 01:33:47,563 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 509.3333333333333) internal successors, (3056), 5 states have internal predecessors, (3056), 0 states have call successors, (0), 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 3056
[2023-11-29 01:33:47,565 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:33:47,601 INFO  L225             Difference]: With dead ends: 83950
[2023-11-29 01:33:47,601 INFO  L226             Difference]: Without dead ends: 56694
[2023-11-29 01:33:47,618 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2023-11-29 01:33:47,618 INFO  L413           NwaCegarLoop]: 38226 mSDtfsCounter, 179530 mSDsluCounter, 84415 mSDsCounter, 0 mSdLazyCounter, 23737 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179530 SdHoareTripleChecker+Valid, 122641 SdHoareTripleChecker+Invalid, 24361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 23737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time
[2023-11-29 01:33:47,618 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [179530 Valid, 122641 Invalid, 24361 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [624 Valid, 23737 Invalid, 0 Unknown, 0 Unchecked, 18.4s Time]
[2023-11-29 01:33:47,668 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56694 states.
[2023-11-29 01:33:48,022 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56694 to 30475.
[2023-11-29 01:33:48,047 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30475 states, 30474 states have (on average 1.6657806654853318) internal successors, (50763), 30474 states have internal predecessors, (50763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:48,079 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30475 states to 30475 states and 50763 transitions.
[2023-11-29 01:33:48,079 INFO  L78                 Accepts]: Start accepts. Automaton has 30475 states and 50763 transitions. Word has length 3056
[2023-11-29 01:33:48,080 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:33:48,080 INFO  L495      AbstractCegarLoop]: Abstraction has 30475 states and 50763 transitions.
[2023-11-29 01:33:48,081 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 509.3333333333333) internal successors, (3056), 5 states have internal predecessors, (3056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:33:48,081 INFO  L276                IsEmpty]: Start isEmpty. Operand 30475 states and 50763 transitions.
[2023-11-29 01:33:48,121 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3058
[2023-11-29 01:33:48,121 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:33:48,121 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:33:48,122 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2023-11-29 01:33:48,122 INFO  L420      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:33:48,122 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:33:48,123 INFO  L85        PathProgramCache]: Analyzing trace with hash 1449501548, now seen corresponding path program 1 times
[2023-11-29 01:33:48,123 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:33:48,123 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079810989]
[2023-11-29 01:33:48,123 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:33:48,123 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:33:50,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:33:57,405 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:33:57,405 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:33:57,405 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079810989]
[2023-11-29 01:33:57,405 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079810989] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:33:57,406 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:33:57,406 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:33:57,406 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534101891]
[2023-11-29 01:33:57,406 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:33:57,407 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:33:57,408 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:33:57,409 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:33:57,409 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:33:57,410 INFO  L87              Difference]: Start difference. First operand 30475 states and 50763 transitions. Second operand  has 5 states, 5 states have (on average 611.4) internal successors, (3057), 4 states have internal predecessors, (3057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:34:26,558 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:34:26,558 INFO  L93              Difference]: Finished difference Result 82702 states and 137767 transitions.
[2023-11-29 01:34:26,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:34:26,559 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 611.4) internal successors, (3057), 4 states have internal predecessors, (3057), 0 states have call successors, (0), 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 3057
[2023-11-29 01:34:26,560 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:34:26,588 INFO  L225             Difference]: With dead ends: 82702
[2023-11-29 01:34:26,588 INFO  L226             Difference]: Without dead ends: 55446
[2023-11-29 01:34:26,598 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-29 01:34:26,599 INFO  L413           NwaCegarLoop]: 35618 mSDtfsCounter, 135466 mSDsluCounter, 71229 mSDsCounter, 0 mSdLazyCounter, 33894 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135466 SdHoareTripleChecker+Valid, 106847 SdHoareTripleChecker+Invalid, 33894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time
[2023-11-29 01:34:26,599 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [135466 Valid, 106847 Invalid, 33894 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [0 Valid, 33894 Invalid, 0 Unknown, 0 Unchecked, 27.7s Time]
[2023-11-29 01:34:26,642 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55446 states.
[2023-11-29 01:34:26,908 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55446 to 30476.
[2023-11-29 01:34:26,933 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30476 states, 30475 states have (on average 1.6657588187038557) internal successors, (50764), 30475 states have internal predecessors, (50764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:34:26,965 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30476 states to 30476 states and 50764 transitions.
[2023-11-29 01:34:26,965 INFO  L78                 Accepts]: Start accepts. Automaton has 30476 states and 50764 transitions. Word has length 3057
[2023-11-29 01:34:26,966 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:34:26,966 INFO  L495      AbstractCegarLoop]: Abstraction has 30476 states and 50764 transitions.
[2023-11-29 01:34:26,966 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 611.4) internal successors, (3057), 4 states have internal predecessors, (3057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:34:26,967 INFO  L276                IsEmpty]: Start isEmpty. Operand 30476 states and 50764 transitions.
[2023-11-29 01:34:27,006 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3058
[2023-11-29 01:34:27,006 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:34:27,007 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:34:27,007 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2023-11-29 01:34:27,007 INFO  L420      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:34:27,007 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:34:27,008 INFO  L85        PathProgramCache]: Analyzing trace with hash 1036740010, now seen corresponding path program 1 times
[2023-11-29 01:34:27,008 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:34:27,008 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938853]
[2023-11-29 01:34:27,008 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:34:27,008 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:34:29,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:34:34,610 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:34:34,610 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:34:34,610 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938853]
[2023-11-29 01:34:34,610 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938853] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:34:34,610 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:34:34,611 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:34:34,611 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970157772]
[2023-11-29 01:34:34,611 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:34:34,612 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-29 01:34:34,612 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:34:34,614 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-29 01:34:34,614 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:34:34,615 INFO  L87              Difference]: Start difference. First operand 30476 states and 50764 transitions. Second operand  has 6 states, 6 states have (on average 509.5) internal successors, (3057), 5 states have internal predecessors, (3057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:05,578 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:35:05,579 INFO  L93              Difference]: Finished difference Result 83950 states and 139637 transitions.
[2023-11-29 01:35:05,579 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-29 01:35:05,580 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 509.5) internal successors, (3057), 5 states have internal predecessors, (3057), 0 states have call successors, (0), 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 3057
[2023-11-29 01:35:05,581 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:35:05,610 INFO  L225             Difference]: With dead ends: 83950
[2023-11-29 01:35:05,610 INFO  L226             Difference]: Without dead ends: 56694
[2023-11-29 01:35:05,621 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2023-11-29 01:35:05,621 INFO  L413           NwaCegarLoop]: 38228 mSDtfsCounter, 136084 mSDsluCounter, 118761 mSDsCounter, 0 mSdLazyCounter, 34408 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136084 SdHoareTripleChecker+Valid, 156989 SdHoareTripleChecker+Invalid, 35032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 34408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time
[2023-11-29 01:35:05,621 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [136084 Valid, 156989 Invalid, 35032 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [624 Valid, 34408 Invalid, 0 Unknown, 0 Unchecked, 29.2s Time]
[2023-11-29 01:35:05,665 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56694 states.
[2023-11-29 01:35:05,926 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56694 to 30481.
[2023-11-29 01:35:05,951 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30481 states, 30480 states have (on average 1.6657152230971128) internal successors, (50771), 30480 states have internal predecessors, (50771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:05,982 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30481 states to 30481 states and 50771 transitions.
[2023-11-29 01:35:05,982 INFO  L78                 Accepts]: Start accepts. Automaton has 30481 states and 50771 transitions. Word has length 3057
[2023-11-29 01:35:05,983 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:35:05,983 INFO  L495      AbstractCegarLoop]: Abstraction has 30481 states and 50771 transitions.
[2023-11-29 01:35:05,984 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 509.5) internal successors, (3057), 5 states have internal predecessors, (3057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:05,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 30481 states and 50771 transitions.
[2023-11-29 01:35:06,023 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3059
[2023-11-29 01:35:06,023 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:35:06,024 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:35:06,024 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2023-11-29 01:35:06,024 INFO  L420      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:35:06,025 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:35:06,025 INFO  L85        PathProgramCache]: Analyzing trace with hash -263722816, now seen corresponding path program 1 times
[2023-11-29 01:35:06,025 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:35:06,025 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366477835]
[2023-11-29 01:35:06,026 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:35:06,026 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:35:07,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:35:14,002 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:35:14,002 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:35:14,002 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366477835]
[2023-11-29 01:35:14,002 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366477835] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:35:14,002 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:35:14,003 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:35:14,003 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349333067]
[2023-11-29 01:35:14,003 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:35:14,004 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:35:14,005 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:35:14,006 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:35:14,007 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:35:14,007 INFO  L87              Difference]: Start difference. First operand 30481 states and 50771 transitions. Second operand  has 5 states, 5 states have (on average 611.6) internal successors, (3058), 5 states have internal predecessors, (3058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:15,048 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:35:15,048 INFO  L93              Difference]: Finished difference Result 84921 states and 141464 transitions.
[2023-11-29 01:35:15,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:35:15,049 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 611.6) internal successors, (3058), 5 states have internal predecessors, (3058), 0 states have call successors, (0), 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 3058
[2023-11-29 01:35:15,051 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:35:15,086 INFO  L225             Difference]: With dead ends: 84921
[2023-11-29 01:35:15,086 INFO  L226             Difference]: Without dead ends: 57665
[2023-11-29 01:35:15,101 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:35:15,101 INFO  L413           NwaCegarLoop]: 52787 mSDtfsCounter, 45283 mSDsluCounter, 144971 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45283 SdHoareTripleChecker+Valid, 197758 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:35:15,101 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45283 Valid, 197758 Invalid, 23 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:35:15,147 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57665 states.
[2023-11-29 01:35:15,423 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57665 to 30483.
[2023-11-29 01:35:15,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30483 states, 30482 states have (on average 1.6656715438619514) internal successors, (50773), 30482 states have internal predecessors, (50773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:15,480 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30483 states to 30483 states and 50773 transitions.
[2023-11-29 01:35:15,480 INFO  L78                 Accepts]: Start accepts. Automaton has 30483 states and 50773 transitions. Word has length 3058
[2023-11-29 01:35:15,482 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:35:15,482 INFO  L495      AbstractCegarLoop]: Abstraction has 30483 states and 50773 transitions.
[2023-11-29 01:35:15,482 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 611.6) internal successors, (3058), 5 states have internal predecessors, (3058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:15,482 INFO  L276                IsEmpty]: Start isEmpty. Operand 30483 states and 50773 transitions.
[2023-11-29 01:35:15,563 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3060
[2023-11-29 01:35:15,563 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:35:15,564 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-29 01:35:15,564 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2023-11-29 01:35:15,564 INFO  L420      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:35:15,564 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:35:15,565 INFO  L85        PathProgramCache]: Analyzing trace with hash 168919964, now seen corresponding path program 1 times
[2023-11-29 01:35:15,565 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:35:15,565 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951282465]
[2023-11-29 01:35:15,565 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:35:15,565 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:35:16,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:35:22,242 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:35:22,242 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:35:22,242 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951282465]
[2023-11-29 01:35:22,242 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951282465] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:35:22,242 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:35:22,243 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:35:22,243 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075341681]
[2023-11-29 01:35:22,243 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:35:22,245 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:35:22,245 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:35:22,248 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:35:22,248 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:35:22,249 INFO  L87              Difference]: Start difference. First operand 30483 states and 50773 transitions. Second operand  has 5 states, 5 states have (on average 611.8) internal successors, (3059), 5 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:23,250 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:35:23,250 INFO  L93              Difference]: Finished difference Result 84924 states and 141465 transitions.
[2023-11-29 01:35:23,251 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:35:23,251 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 611.8) internal successors, (3059), 5 states have internal predecessors, (3059), 0 states have call successors, (0), 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 3059
[2023-11-29 01:35:23,253 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:35:23,295 INFO  L225             Difference]: With dead ends: 84924
[2023-11-29 01:35:23,295 INFO  L226             Difference]: Without dead ends: 57666
[2023-11-29 01:35:23,313 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:35:23,313 INFO  L413           NwaCegarLoop]: 52782 mSDtfsCounter, 45280 mSDsluCounter, 144963 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45280 SdHoareTripleChecker+Valid, 197745 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:35:23,313 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45280 Valid, 197745 Invalid, 23 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:35:23,360 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57666 states.
[2023-11-29 01:35:23,649 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57666 to 30485.
[2023-11-29 01:35:23,674 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30485 states, 30484 states have (on average 1.6656278703582208) internal successors, (50775), 30484 states have internal predecessors, (50775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:23,706 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30485 states to 30485 states and 50775 transitions.
[2023-11-29 01:35:23,706 INFO  L78                 Accepts]: Start accepts. Automaton has 30485 states and 50775 transitions. Word has length 3059
[2023-11-29 01:35:23,707 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:35:23,708 INFO  L495      AbstractCegarLoop]: Abstraction has 30485 states and 50775 transitions.
[2023-11-29 01:35:23,708 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 611.8) internal successors, (3059), 5 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:23,708 INFO  L276                IsEmpty]: Start isEmpty. Operand 30485 states and 50775 transitions.
[2023-11-29 01:35:23,748 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3061
[2023-11-29 01:35:23,748 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:35:23,749 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-11-29 01:35:23,749 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2023-11-29 01:35:23,749 INFO  L420      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:35:23,749 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:35:23,750 INFO  L85        PathProgramCache]: Analyzing trace with hash 1202681434, now seen corresponding path program 1 times
[2023-11-29 01:35:23,750 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:35:23,750 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080432789]
[2023-11-29 01:35:23,751 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:35:23,751 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:35:24,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:35:30,693 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:35:30,693 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:35:30,693 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080432789]
[2023-11-29 01:35:30,694 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080432789] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:35:30,694 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:35:30,694 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 01:35:30,695 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690142341]
[2023-11-29 01:35:30,695 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:35:30,697 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:35:30,697 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:35:30,699 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:35:30,699 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:35:30,700 INFO  L87              Difference]: Start difference. First operand 30485 states and 50775 transitions. Second operand  has 5 states, 5 states have (on average 612.0) internal successors, (3060), 5 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:31,742 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:35:31,742 INFO  L93              Difference]: Finished difference Result 84927 states and 141466 transitions.
[2023-11-29 01:35:31,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:35:31,743 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 612.0) internal successors, (3060), 5 states have internal predecessors, (3060), 0 states have call successors, (0), 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 3060
[2023-11-29 01:35:31,745 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:35:31,779 INFO  L225             Difference]: With dead ends: 84927
[2023-11-29 01:35:31,779 INFO  L226             Difference]: Without dead ends: 57667
[2023-11-29 01:35:31,795 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:35:31,795 INFO  L413           NwaCegarLoop]: 52777 mSDtfsCounter, 45277 mSDsluCounter, 144955 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45277 SdHoareTripleChecker+Valid, 197732 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-29 01:35:31,795 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45277 Valid, 197732 Invalid, 23 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-29 01:35:31,843 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57667 states.
[2023-11-29 01:35:32,116 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57667 to 30487.
[2023-11-29 01:35:32,141 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30487 states, 30486 states have (on average 1.6655842025847931) internal successors, (50777), 30486 states have internal predecessors, (50777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:32,172 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30487 states to 30487 states and 50777 transitions.
[2023-11-29 01:35:32,172 INFO  L78                 Accepts]: Start accepts. Automaton has 30487 states and 50777 transitions. Word has length 3060
[2023-11-29 01:35:32,174 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:35:32,174 INFO  L495      AbstractCegarLoop]: Abstraction has 30487 states and 50777 transitions.
[2023-11-29 01:35:32,174 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 612.0) internal successors, (3060), 5 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:32,174 INFO  L276                IsEmpty]: Start isEmpty. Operand 30487 states and 50777 transitions.
[2023-11-29 01:35:32,214 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3062
[2023-11-29 01:35:32,214 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:35:32,215 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2023-11-29 01:35:32,215 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2023-11-29 01:35:32,215 INFO  L420      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:35:32,215 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:35:32,216 INFO  L85        PathProgramCache]: Analyzing trace with hash -146469056, now seen corresponding path program 1 times
[2023-11-29 01:35:32,216 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:35:32,216 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644021350]
[2023-11-29 01:35:32,216 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:35:32,216 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:35:33,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:35:38,744 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:35:38,744 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:35:38,744 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644021350]
[2023-11-29 01:35:38,744 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644021350] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:35:38,745 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:35:38,745 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:35:38,745 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789881052]
[2023-11-29 01:35:38,745 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:35:38,746 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:35:38,746 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:35:38,748 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:35:38,748 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:35:38,749 INFO  L87              Difference]: Start difference. First operand 30487 states and 50777 transitions. Second operand  has 4 states, 4 states have (on average 765.25) internal successors, (3061), 4 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:39,652 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:35:39,652 INFO  L93              Difference]: Finished difference Result 84930 states and 141467 transitions.
[2023-11-29 01:35:39,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:35:39,653 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 765.25) internal successors, (3061), 4 states have internal predecessors, (3061), 0 states have call successors, (0), 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 3061
[2023-11-29 01:35:39,655 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:35:39,684 INFO  L225             Difference]: With dead ends: 84930
[2023-11-29 01:35:39,684 INFO  L226             Difference]: Without dead ends: 57668
[2023-11-29 01:35:39,695 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:35:39,695 INFO  L413           NwaCegarLoop]: 52772 mSDtfsCounter, 45274 mSDsluCounter, 99674 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45274 SdHoareTripleChecker+Valid, 152446 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:35:39,696 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45274 Valid, 152446 Invalid, 19 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-29 01:35:39,737 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57668 states.
[2023-11-29 01:35:40,005 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57668 to 30489.
[2023-11-29 01:35:40,030 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30489 states, 30488 states have (on average 1.6655405405405406) internal successors, (50779), 30488 states have internal predecessors, (50779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:40,062 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30489 states to 30489 states and 50779 transitions.
[2023-11-29 01:35:40,062 INFO  L78                 Accepts]: Start accepts. Automaton has 30489 states and 50779 transitions. Word has length 3061
[2023-11-29 01:35:40,063 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:35:40,064 INFO  L495      AbstractCegarLoop]: Abstraction has 30489 states and 50779 transitions.
[2023-11-29 01:35:40,064 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 765.25) internal successors, (3061), 4 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 01:35:40,064 INFO  L276                IsEmpty]: Start isEmpty. Operand 30489 states and 50779 transitions.
[2023-11-29 01:35:40,104 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3063
[2023-11-29 01:35:40,104 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:35:40,105 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-11-29 01:35:40,105 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2023-11-29 01:35:40,105 INFO  L420      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:35:40,105 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:35:40,106 INFO  L85        PathProgramCache]: Analyzing trace with hash -376203726, now seen corresponding path program 1 times
[2023-11-29 01:35:40,106 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:35:40,106 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325321003]
[2023-11-29 01:35:40,106 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:35:40,106 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:35:41,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat